* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_AES
-#include <openssl/evp.h>
-#include <openssl/err.h>
-#include <string.h>
-#include <assert.h>
-#include <openssl/aes.h>
-#include "evp_locl.h"
-#ifndef OPENSSL_FIPS
-#include "modes_lcl.h"
-#include <openssl/rand.h>
-
-typedef struct
- {
- AES_KEY ks;
- block128_f block;
- union {
- cbc128_f cbc;
- ctr128_f ctr;
- } stream;
- } EVP_AES_KEY;
-
-typedef struct
- {
- AES_KEY ks; /* AES key schedule to use */
- int key_set; /* Set if key initialised */
- int iv_set; /* Set if an iv is set */
- GCM128_CONTEXT gcm;
- unsigned char *iv; /* Temporary IV store */
- int ivlen; /* IV length */
- int taglen;
- int iv_gen; /* It is OK to generate IVs */
- int tls_aad_len; /* TLS AAD length */
- ctr128_f ctr;
- } EVP_AES_GCM_CTX;
-
-typedef struct
- {
- AES_KEY ks1, ks2; /* AES key schedules to use */
- XTS128_CONTEXT xts;
- void (*stream)(const unsigned char *in,
- unsigned char *out, size_t length,
- const AES_KEY *key1, const AES_KEY *key2,
- const unsigned char iv[16]);
- } EVP_AES_XTS_CTX;
-
-typedef struct
- {
- AES_KEY ks; /* AES key schedule to use */
- int key_set; /* Set if key initialised */
- int iv_set; /* Set if an iv is set */
- int tag_set; /* Set if tag is valid */
- int len_set; /* Set if message length set */
- int L, M; /* L and M parameters from RFC3610 */
- CCM128_CONTEXT ccm;
- ccm128_f str;
- } EVP_AES_CCM_CTX;
-
-#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
-
-#ifdef VPAES_ASM
+# include <openssl/evp.h>
+# include <openssl/err.h>
+# include <string.h>
+# include <assert.h>
+# include <openssl/aes.h>
+# include "evp_locl.h"
+# ifndef OPENSSL_FIPS
+# include "modes_lcl.h"
+# include <openssl/rand.h>
+
+typedef struct {
+ AES_KEY ks;
+ block128_f block;
+ union {
+ cbc128_f cbc;
+ ctr128_f ctr;
+ } stream;
+} EVP_AES_KEY;
+
+typedef struct {
+ AES_KEY ks; /* AES key schedule to use */
+ int key_set; /* Set if key initialised */
+ int iv_set; /* Set if an iv is set */
+ GCM128_CONTEXT gcm;
+ unsigned char *iv; /* Temporary IV store */
+ int ivlen; /* IV length */
+ int taglen;
+ int iv_gen; /* It is OK to generate IVs */
+ int tls_aad_len; /* TLS AAD length */
+ ctr128_f ctr;
+} EVP_AES_GCM_CTX;
+
+typedef struct {
+ AES_KEY ks1, ks2; /* AES key schedules to use */
+ XTS128_CONTEXT xts;
+ void (*stream) (const unsigned char *in,
+ unsigned char *out, size_t length,
+ const AES_KEY *key1, const AES_KEY *key2,
+ const unsigned char iv[16]);
+} EVP_AES_XTS_CTX;
+
+typedef struct {
+ AES_KEY ks; /* AES key schedule to use */
+ int key_set; /* Set if key initialised */
+ int iv_set; /* Set if an iv is set */
+ int tag_set; /* Set if tag is valid */
+ int len_set; /* Set if message length set */
+ int L, M; /* L and M parameters from RFC3610 */
+ CCM128_CONTEXT ccm;
+ ccm128_f str;
+} EVP_AES_CCM_CTX;
+
+# define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
+
+# ifdef VPAES_ASM
int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
- AES_KEY *key);
+ AES_KEY *key);
int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
- AES_KEY *key);
+ AES_KEY *key);
void vpaes_encrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key);
+ const AES_KEY *key);
void vpaes_decrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key);
+ const AES_KEY *key);
void vpaes_cbc_encrypt(const unsigned char *in,
- unsigned char *out,
- size_t length,
- const AES_KEY *key,
- unsigned char *ivec, int enc);
-#endif
-#ifdef BSAES_ASM
+ unsigned char *out,
+ size_t length,
+ const AES_KEY *key, unsigned char *ivec, int enc);
+# endif
+# ifdef BSAES_ASM
void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
- size_t length, const AES_KEY *key,
- unsigned char ivec[16], int enc);
+ size_t length, const AES_KEY *key,
+ unsigned char ivec[16], int enc);
void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
- size_t len, const AES_KEY *key,
- const unsigned char ivec[16]);
+ size_t len, const AES_KEY *key,
+ const unsigned char ivec[16]);
void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
- size_t len, const AES_KEY *key1,
- const AES_KEY *key2, const unsigned char iv[16]);
+ size_t len, const AES_KEY *key1,
+ const AES_KEY *key2, const unsigned char iv[16]);
void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
- size_t len, const AES_KEY *key1,
- const AES_KEY *key2, const unsigned char iv[16]);
-#endif
-#ifdef AES_CTR_ASM
+ size_t len, const AES_KEY *key1,
+ const AES_KEY *key2, const unsigned char iv[16]);
+# endif
+# ifdef AES_CTR_ASM
void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
- size_t blocks, const AES_KEY *key,
- const unsigned char ivec[AES_BLOCK_SIZE]);
-#endif
-#ifdef AES_XTS_ASM
-void AES_xts_encrypt(const char *inp,char *out,size_t len,
- const AES_KEY *key1, const AES_KEY *key2,
- const unsigned char iv[16]);
-void AES_xts_decrypt(const char *inp,char *out,size_t len,
- const AES_KEY *key1, const AES_KEY *key2,
- const unsigned char iv[16]);
-#endif
-
-#if defined(AES_ASM) && !defined(I386_ONLY) && ( \
- ((defined(__i386) || defined(__i386__) || \
- defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
- defined(__x86_64) || defined(__x86_64__) || \
- defined(_M_AMD64) || defined(_M_X64) || \
- defined(__INTEL__) )
+ size_t blocks, const AES_KEY *key,
+ const unsigned char ivec[AES_BLOCK_SIZE]);
+# endif
+# ifdef AES_XTS_ASM
+void AES_xts_encrypt(const char *inp, char *out, size_t len,
+ const AES_KEY *key1, const AES_KEY *key2,
+ const unsigned char iv[16]);
+void AES_xts_decrypt(const char *inp, char *out, size_t len,
+ const AES_KEY *key1, const AES_KEY *key2,
+ const unsigned char iv[16]);
+# endif
+
+# if defined(AES_ASM) && !defined(I386_ONLY) && ( \
+ ((defined(__i386) || defined(__i386__) || \
+ defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
+ defined(__x86_64) || defined(__x86_64__) || \
+ defined(_M_AMD64) || defined(_M_X64) || \
+ defined(__INTEL__) )
extern unsigned int OPENSSL_ia32cap_P[2];
-#ifdef VPAES_ASM
-#define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
-#endif
-#ifdef BSAES_ASM
-#define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
-#endif
+# ifdef VPAES_ASM
+# define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
+# endif
+# ifdef BSAES_ASM
+# define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
+# endif
/*
* AES-NI section
*/
-#define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
+# define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
- AES_KEY *key);
+ AES_KEY *key);
int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
- AES_KEY *key);
+ AES_KEY *key);
void aesni_encrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key);
+ const AES_KEY *key);
void aesni_decrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key);
+ const AES_KEY *key);
void aesni_ecb_encrypt(const unsigned char *in,
- unsigned char *out,
- size_t length,
- const AES_KEY *key,
- int enc);
+ unsigned char *out,
+ size_t length, const AES_KEY *key, int enc);
void aesni_cbc_encrypt(const unsigned char *in,
- unsigned char *out,
- size_t length,
- const AES_KEY *key,
- unsigned char *ivec, int enc);
+ unsigned char *out,
+ size_t length,
+ const AES_KEY *key, unsigned char *ivec, int enc);
void aesni_ctr32_encrypt_blocks(const unsigned char *in,
- unsigned char *out,
- size_t blocks,
- const void *key,
- const unsigned char *ivec);
+ unsigned char *out,
+ size_t blocks,
+ const void *key, const unsigned char *ivec);
void aesni_xts_encrypt(const unsigned char *in,
- unsigned char *out,
- size_t length,
- const AES_KEY *key1, const AES_KEY *key2,
- const unsigned char iv[16]);
+ unsigned char *out,
+ size_t length,
+ const AES_KEY *key1, const AES_KEY *key2,
+ const unsigned char iv[16]);
void aesni_xts_decrypt(const unsigned char *in,
- unsigned char *out,
- size_t length,
- const AES_KEY *key1, const AES_KEY *key2,
- const unsigned char iv[16]);
-
-void aesni_ccm64_encrypt_blocks (const unsigned char *in,
- unsigned char *out,
- size_t blocks,
- const void *key,
- const unsigned char ivec[16],
- unsigned char cmac[16]);
-
-void aesni_ccm64_decrypt_blocks (const unsigned char *in,
- unsigned char *out,
- size_t blocks,
- const void *key,
- const unsigned char ivec[16],
- unsigned char cmac[16]);
+ unsigned char *out,
+ size_t length,
+ const AES_KEY *key1, const AES_KEY *key2,
+ const unsigned char iv[16]);
+
+void aesni_ccm64_encrypt_blocks(const unsigned char *in,
+ unsigned char *out,
+ size_t blocks,
+ const void *key,
+ const unsigned char ivec[16],
+ unsigned char cmac[16]);
+
+void aesni_ccm64_decrypt_blocks(const unsigned char *in,
+ unsigned char *out,
+ size_t blocks,
+ const void *key,
+ const unsigned char ivec[16],
+ unsigned char cmac[16]);
static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- int ret, mode;
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
-
- mode = ctx->cipher->flags & EVP_CIPH_MODE;
- if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
- && !enc)
- {
- ret = aesni_set_decrypt_key(key, ctx->key_len*8, ctx->cipher_data);
- dat->block = (block128_f)aesni_decrypt;
- dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
- (cbc128_f)aesni_cbc_encrypt :
- NULL;
- }
- else {
- ret = aesni_set_encrypt_key(key, ctx->key_len*8, ctx->cipher_data);
- dat->block = (block128_f)aesni_encrypt;
- if (mode==EVP_CIPH_CBC_MODE)
- dat->stream.cbc = (cbc128_f)aesni_cbc_encrypt;
- else if (mode==EVP_CIPH_CTR_MODE)
- dat->stream.ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
- else
- dat->stream.cbc = NULL;
- }
-
- if(ret < 0)
- {
- EVPerr(EVP_F_AESNI_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
- return 0;
- }
-
- return 1;
- }
-
-static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in, size_t len)
+ const unsigned char *iv, int enc)
+{
+ int ret, mode;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
+
+ mode = ctx->cipher->flags & EVP_CIPH_MODE;
+ if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
+ && !enc) {
+ ret = aesni_set_decrypt_key(key, ctx->key_len * 8, ctx->cipher_data);
+ dat->block = (block128_f) aesni_decrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) aesni_cbc_encrypt : NULL;
+ } else {
+ ret = aesni_set_encrypt_key(key, ctx->key_len * 8, ctx->cipher_data);
+ dat->block = (block128_f) aesni_encrypt;
+ if (mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
+ else if (mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
+ else
+ dat->stream.cbc = NULL;
+ }
+
+ if (ret < 0) {
+ EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- aesni_cbc_encrypt(in,out,len,ctx->cipher_data,ctx->iv,ctx->encrypt);
+ aesni_cbc_encrypt(in, out, len, ctx->cipher_data, ctx->iv, ctx->encrypt);
- return 1;
+ return 1;
}
-static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in, size_t len)
+static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- size_t bl = ctx->cipher->block_size;
+ size_t bl = ctx->cipher->block_size;
- if (len<bl) return 1;
+ if (len < bl)
+ return 1;
- aesni_ecb_encrypt(in,out,len,ctx->cipher_data,ctx->encrypt);
+ aesni_ecb_encrypt(in, out, len, ctx->cipher_data, ctx->encrypt);
- return 1;
+ return 1;
}
-#define aesni_ofb_cipher aes_ofb_cipher
-static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len);
+# define aesni_ofb_cipher aes_ofb_cipher
+static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
-#define aesni_cfb_cipher aes_cfb_cipher
-static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len);
+# define aesni_cfb_cipher aes_cfb_cipher
+static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
-#define aesni_cfb8_cipher aes_cfb8_cipher
-static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len);
+# define aesni_cfb8_cipher aes_cfb8_cipher
+static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
-#define aesni_cfb1_cipher aes_cfb1_cipher
-static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len);
+# define aesni_cfb1_cipher aes_cfb1_cipher
+static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
-#define aesni_ctr_cipher aes_ctr_cipher
+# define aesni_ctr_cipher aes_ctr_cipher
static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len);
+ const unsigned char *in, size_t len);
static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
- if (!iv && !key)
- return 1;
- if (key)
- {
- aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
- CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
- (block128_f)aesni_encrypt);
- gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
- /* If we have an iv can set it directly, otherwise use
- * saved IV.
- */
- if (iv == NULL && gctx->iv_set)
- iv = gctx->iv;
- if (iv)
- {
- CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
- gctx->iv_set = 1;
- }
- gctx->key_set = 1;
- }
- else
- {
- /* If key set use IV, otherwise copy */
- if (gctx->key_set)
- CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
- else
- memcpy(gctx->iv, iv, gctx->ivlen);
- gctx->iv_set = 1;
- gctx->iv_gen = 0;
- }
- return 1;
- }
-
-#define aesni_gcm_cipher aes_gcm_cipher
+ const unsigned char *iv, int enc)
+{
+ EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+ if (key) {
+ aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
+ CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aesni_encrypt);
+ gctx->ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
+ /*
+ * If we have an iv can set it directly, otherwise use saved IV.
+ */
+ if (iv == NULL && gctx->iv_set)
+ iv = gctx->iv;
+ if (iv) {
+ CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+ gctx->iv_set = 1;
+ }
+ gctx->key_set = 1;
+ } else {
+ /* If key set use IV, otherwise copy */
+ if (gctx->key_set)
+ CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+ else
+ memcpy(gctx->iv, iv, gctx->ivlen);
+ gctx->iv_set = 1;
+ gctx->iv_gen = 0;
+ }
+ return 1;
+}
+
+# define aesni_gcm_cipher aes_gcm_cipher
static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len);
+ const unsigned char *in, size_t len);
static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
- if (!iv && !key)
- return 1;
-
- if (key)
- {
- /* key_len is two AES keys */
- if (enc)
- {
- aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
- xctx->xts.block1 = (block128_f)aesni_encrypt;
- xctx->stream = aesni_xts_encrypt;
- }
- else
- {
- aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
- xctx->xts.block1 = (block128_f)aesni_decrypt;
- xctx->stream = aesni_xts_decrypt;
- }
-
- aesni_set_encrypt_key(key + ctx->key_len/2,
- ctx->key_len * 4, &xctx->ks2);
- xctx->xts.block2 = (block128_f)aesni_encrypt;
-
- xctx->xts.key1 = &xctx->ks1;
- }
-
- if (iv)
- {
- xctx->xts.key2 = &xctx->ks2;
- memcpy(ctx->iv, iv, 16);
- }
-
- return 1;
- }
-
-#define aesni_xts_cipher aes_xts_cipher
+ const unsigned char *iv, int enc)
+{
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+
+ if (key) {
+ /* key_len is two AES keys */
+ if (enc) {
+ aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f) aesni_encrypt;
+ xctx->stream = aesni_xts_encrypt;
+ } else {
+ aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f) aesni_decrypt;
+ xctx->stream = aesni_xts_decrypt;
+ }
+
+ aesni_set_encrypt_key(key + ctx->key_len / 2,
+ ctx->key_len * 4, &xctx->ks2);
+ xctx->xts.block2 = (block128_f) aesni_encrypt;
+
+ xctx->xts.key1 = &xctx->ks1;
+ }
+
+ if (iv) {
+ xctx->xts.key2 = &xctx->ks2;
+ memcpy(ctx->iv, iv, 16);
+ }
+
+ return 1;
+}
+
+# define aesni_xts_cipher aes_xts_cipher
static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len);
+ const unsigned char *in, size_t len);
static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
- if (!iv && !key)
- return 1;
- if (key)
- {
- aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
- CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
- &cctx->ks, (block128_f)aesni_encrypt);
- cctx->str = enc?(ccm128_f)aesni_ccm64_encrypt_blocks :
- (ccm128_f)aesni_ccm64_decrypt_blocks;
- cctx->key_set = 1;
- }
- if (iv)
- {
- memcpy(ctx->iv, iv, 15 - cctx->L);
- cctx->iv_set = 1;
- }
- return 1;
- }
-
-#define aesni_ccm_cipher aes_ccm_cipher
+ const unsigned char *iv, int enc)
+{
+ EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+ if (key) {
+ aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
+ CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+ &cctx->ks, (block128_f) aesni_encrypt);
+ cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks :
+ (ccm128_f) aesni_ccm64_decrypt_blocks;
+ cctx->key_set = 1;
+ }
+ if (iv) {
+ memcpy(ctx->iv, iv, 15 - cctx->L);
+ cctx->iv_set = 1;
+ }
+ return 1;
+}
+
+# define aesni_ccm_cipher aes_ccm_cipher
static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len);
+ const unsigned char *in, size_t len);
-#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
+# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
static const EVP_CIPHER aesni_##keylen##_##mode = { \
- nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
- flags|EVP_CIPH_##MODE##_MODE, \
- aesni_init_key, \
- aesni_##mode##_cipher, \
- NULL, \
- sizeof(EVP_AES_KEY), \
- NULL,NULL,NULL,NULL }; \
+ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ aesni_init_key, \
+ aesni_##mode##_cipher, \
+ NULL, \
+ sizeof(EVP_AES_KEY), \
+ NULL,NULL,NULL,NULL }; \
static const EVP_CIPHER aes_##keylen##_##mode = { \
- nid##_##keylen##_##nmode,blocksize, \
- keylen/8,ivlen, \
- flags|EVP_CIPH_##MODE##_MODE, \
- aes_init_key, \
- aes_##mode##_cipher, \
- NULL, \
- sizeof(EVP_AES_KEY), \
- NULL,NULL,NULL,NULL }; \
+ nid##_##keylen##_##nmode,blocksize, \
+ keylen/8,ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ aes_init_key, \
+ aes_##mode##_cipher, \
+ NULL, \
+ sizeof(EVP_AES_KEY), \
+ NULL,NULL,NULL,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
-#define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
+# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
static const EVP_CIPHER aesni_##keylen##_##mode = { \
- nid##_##keylen##_##mode,blocksize, \
- (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
- flags|EVP_CIPH_##MODE##_MODE, \
- aesni_##mode##_init_key, \
- aesni_##mode##_cipher, \
- aes_##mode##_cleanup, \
- sizeof(EVP_AES_##MODE##_CTX), \
- NULL,NULL,aes_##mode##_ctrl,NULL }; \
+ nid##_##keylen##_##mode,blocksize, \
+ (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ aesni_##mode##_init_key, \
+ aesni_##mode##_cipher, \
+ aes_##mode##_cleanup, \
+ sizeof(EVP_AES_##MODE##_CTX), \
+ NULL,NULL,aes_##mode##_ctrl,NULL }; \
static const EVP_CIPHER aes_##keylen##_##mode = { \
- nid##_##keylen##_##mode,blocksize, \
- (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
- flags|EVP_CIPH_##MODE##_MODE, \
- aes_##mode##_init_key, \
- aes_##mode##_cipher, \
- aes_##mode##_cleanup, \
- sizeof(EVP_AES_##MODE##_CTX), \
- NULL,NULL,aes_##mode##_ctrl,NULL }; \
+ nid##_##keylen##_##mode,blocksize, \
+ (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ aes_##mode##_init_key, \
+ aes_##mode##_cipher, \
+ aes_##mode##_cleanup, \
+ sizeof(EVP_AES_##MODE##_CTX), \
+ NULL,NULL,aes_##mode##_ctrl,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
-#else
+# else
-#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
+# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
static const EVP_CIPHER aes_##keylen##_##mode = { \
- nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
- flags|EVP_CIPH_##MODE##_MODE, \
- aes_init_key, \
- aes_##mode##_cipher, \
- NULL, \
- sizeof(EVP_AES_KEY), \
- NULL,NULL,NULL,NULL }; \
+ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ aes_init_key, \
+ aes_##mode##_cipher, \
+ NULL, \
+ sizeof(EVP_AES_KEY), \
+ NULL,NULL,NULL,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return &aes_##keylen##_##mode; }
-#define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
+# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
static const EVP_CIPHER aes_##keylen##_##mode = { \
- nid##_##keylen##_##mode,blocksize, \
- (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
- flags|EVP_CIPH_##MODE##_MODE, \
- aes_##mode##_init_key, \
- aes_##mode##_cipher, \
- aes_##mode##_cleanup, \
- sizeof(EVP_AES_##MODE##_CTX), \
- NULL,NULL,aes_##mode##_ctrl,NULL }; \
+ nid##_##keylen##_##mode,blocksize, \
+ (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ aes_##mode##_init_key, \
+ aes_##mode##_cipher, \
+ aes_##mode##_cleanup, \
+ sizeof(EVP_AES_##MODE##_CTX), \
+ NULL,NULL,aes_##mode##_ctrl,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return &aes_##keylen##_##mode; }
-#endif
+# endif
-#define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
- BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
- BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
- BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
- BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
- BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
- BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
- BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
+# define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
+ BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- int ret, mode;
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
-
- mode = ctx->cipher->flags & EVP_CIPH_MODE;
- if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
- && !enc)
-#ifdef BSAES_CAPABLE
- if (BSAES_CAPABLE && mode==EVP_CIPH_CBC_MODE)
- {
- ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = (block128_f)AES_decrypt;
- dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
- }
- else
-#endif
-#ifdef VPAES_CAPABLE
- if (VPAES_CAPABLE)
- {
- ret = vpaes_set_decrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = (block128_f)vpaes_decrypt;
- dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
- (cbc128_f)vpaes_cbc_encrypt :
- NULL;
- }
- else
-#endif
- {
- ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = (block128_f)AES_decrypt;
- dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
- (cbc128_f)AES_cbc_encrypt :
- NULL;
- }
- else
-#ifdef BSAES_CAPABLE
- if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE)
- {
- ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = (block128_f)AES_encrypt;
- dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
- }
- else
-#endif
-#ifdef VPAES_CAPABLE
- if (VPAES_CAPABLE)
- {
- ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = (block128_f)vpaes_encrypt;
- dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
- (cbc128_f)vpaes_cbc_encrypt :
- NULL;
- }
- else
-#endif
- {
- ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = (block128_f)AES_encrypt;
- dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
- (cbc128_f)AES_cbc_encrypt :
- NULL;
-#ifdef AES_CTR_ASM
- if (mode==EVP_CIPH_CTR_MODE)
- dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
-#endif
- }
-
- if(ret < 0)
- {
- EVPerr(EVP_F_AES_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
- return 0;
- }
-
- return 1;
- }
+ const unsigned char *iv, int enc)
+{
+ int ret, mode;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
+
+ mode = ctx->cipher->flags & EVP_CIPH_MODE;
+ if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
+ && !enc)
+# ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) {
+ ret = AES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks);
+ dat->block = (block128_f) AES_decrypt;
+ dat->stream.cbc = (cbc128_f) bsaes_cbc_encrypt;
+ } else
+# endif
+# ifdef VPAES_CAPABLE
+ if (VPAES_CAPABLE) {
+ ret = vpaes_set_decrypt_key(key, ctx->key_len * 8, &dat->ks);
+ dat->block = (block128_f) vpaes_decrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) vpaes_cbc_encrypt : NULL;
+ } else
+# endif
+ {
+ ret = AES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks);
+ dat->block = (block128_f) AES_decrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) AES_cbc_encrypt : NULL;
+ } else
+# ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) {
+ ret = AES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks);
+ dat->block = (block128_f) AES_encrypt;
+ dat->stream.ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
+ } else
+# endif
+# ifdef VPAES_CAPABLE
+ if (VPAES_CAPABLE) {
+ ret = vpaes_set_encrypt_key(key, ctx->key_len * 8, &dat->ks);
+ dat->block = (block128_f) vpaes_encrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) vpaes_cbc_encrypt : NULL;
+ } else
+# endif
+ {
+ ret = AES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks);
+ dat->block = (block128_f) AES_encrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) AES_cbc_encrypt : NULL;
+# ifdef AES_CTR_ASM
+ if (mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f) AES_ctr32_encrypt;
+# endif
+ }
+
+ if (ret < 0) {
+ EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
-static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in, size_t len)
+static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
- if (dat->stream.cbc)
- (*dat->stream.cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt);
- else if (ctx->encrypt)
- CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
- else
- CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
+ if (dat->stream.cbc)
+ (*dat->stream.cbc) (in, out, len, &dat->ks, ctx->iv, ctx->encrypt);
+ else if (ctx->encrypt)
+ CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, ctx->iv, dat->block);
+ else
+ CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, ctx->iv, dat->block);
- return 1;
+ return 1;
}
-static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in, size_t len)
+static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- size_t bl = ctx->cipher->block_size;
- size_t i;
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
+ size_t bl = ctx->cipher->block_size;
+ size_t i;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
- if (len<bl) return 1;
+ if (len < bl)
+ return 1;
- for (i=0,len-=bl;i<=len;i+=bl)
- (*dat->block)(in+i,out+i,&dat->ks);
+ for (i = 0, len -= bl; i <= len; i += bl)
+ (*dat->block) (in + i, out + i, &dat->ks);
- return 1;
+ return 1;
}
-static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len)
+static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
- CRYPTO_ofb128_encrypt(in,out,len,&dat->ks,
- ctx->iv,&ctx->num,dat->block);
- return 1;
+ CRYPTO_ofb128_encrypt(in, out, len, &dat->ks,
+ ctx->iv, &ctx->num, dat->block);
+ return 1;
}
-static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len)
+static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
- CRYPTO_cfb128_encrypt(in,out,len,&dat->ks,
- ctx->iv,&ctx->num,ctx->encrypt,dat->block);
- return 1;
+ CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
+ ctx->iv, &ctx->num, ctx->encrypt, dat->block);
+ return 1;
}
-static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len)
+static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
- CRYPTO_cfb128_8_encrypt(in,out,len,&dat->ks,
- ctx->iv,&ctx->num,ctx->encrypt,dat->block);
- return 1;
+ CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks,
+ ctx->iv, &ctx->num, ctx->encrypt, dat->block);
+ return 1;
}
-static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
- const unsigned char *in,size_t len)
+static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
-
- if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
- CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks,
- ctx->iv,&ctx->num,ctx->encrypt,dat->block);
- return 1;
- }
-
- while (len>=MAXBITCHUNK) {
- CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,&dat->ks,
- ctx->iv,&ctx->num,ctx->encrypt,dat->block);
- len-=MAXBITCHUNK;
- }
- if (len)
- CRYPTO_cfb128_1_encrypt(in,out,len*8,&dat->ks,
- ctx->iv,&ctx->num,ctx->encrypt,dat->block);
-
- return 1;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
+
+ if (ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) {
+ CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks,
+ ctx->iv, &ctx->num, ctx->encrypt, dat->block);
+ return 1;
+ }
+
+ while (len >= MAXBITCHUNK) {
+ CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
+ ctx->iv, &ctx->num, ctx->encrypt, dat->block);
+ len -= MAXBITCHUNK;
+ }
+ if (len)
+ CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
+ ctx->iv, &ctx->num, ctx->encrypt, dat->block);
+
+ return 1;
}
-static int aes_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len)
+static int aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
{
- unsigned int num = ctx->num;
- EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
-
- if (dat->stream.ctr)
- CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks,
- ctx->iv,ctx->buf,&num,dat->stream.ctr);
- else
- CRYPTO_ctr128_encrypt(in,out,len,&dat->ks,
- ctx->iv,ctx->buf,&num,dat->block);
- ctx->num = (size_t)num;
- return 1;
+ unsigned int num = ctx->num;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
+
+ if (dat->stream.ctr)
+ CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
+ ctx->iv, ctx->buf, &num, dat->stream.ctr);
+ else
+ CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
+ ctx->iv, ctx->buf, &num, dat->block);
+ ctx->num = (size_t)num;
+ return 1;
}
-BLOCK_CIPHER_generic_pack(NID_aes,128,EVP_CIPH_FLAG_FIPS)
-BLOCK_CIPHER_generic_pack(NID_aes,192,EVP_CIPH_FLAG_FIPS)
-BLOCK_CIPHER_generic_pack(NID_aes,256,EVP_CIPH_FLAG_FIPS)
+BLOCK_CIPHER_generic_pack(NID_aes, 128, EVP_CIPH_FLAG_FIPS)
+ BLOCK_CIPHER_generic_pack(NID_aes, 192, EVP_CIPH_FLAG_FIPS)
+ BLOCK_CIPHER_generic_pack(NID_aes, 256, EVP_CIPH_FLAG_FIPS)
static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
- {
- EVP_AES_GCM_CTX *gctx = c->cipher_data;
- OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
- if (gctx->iv != c->iv)
- OPENSSL_free(gctx->iv);
- return 1;
- }
+{
+ EVP_AES_GCM_CTX *gctx = c->cipher_data;
+ OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
+ if (gctx->iv != c->iv)
+ OPENSSL_free(gctx->iv);
+ return 1;
+}
/* increment counter (64-bit int) by 1 */
-static void ctr64_inc(unsigned char *counter) {
- int n=8;
- unsigned char c;
-
- do {
- --n;
- c = counter[n];
- ++c;
- counter[n] = c;
- if (c) return;
- } while (n);
+static void ctr64_inc(unsigned char *counter)
+{
+ int n = 8;
+ unsigned char c;
+
+ do {
+ --n;
+ c = counter[n];
+ ++c;
+ counter[n] = c;
+ if (c)
+ return;
+ } while (n);
}
static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
- {
- EVP_AES_GCM_CTX *gctx = c->cipher_data;
- switch (type)
- {
- case EVP_CTRL_INIT:
- gctx->key_set = 0;
- gctx->iv_set = 0;
- gctx->ivlen = c->cipher->iv_len;
- gctx->iv = c->iv;
- gctx->taglen = -1;
- gctx->iv_gen = 0;
- gctx->tls_aad_len = -1;
- return 1;
-
- case EVP_CTRL_GCM_SET_IVLEN:
- if (arg <= 0)
- return 0;
-#ifdef OPENSSL_FIPS
- if (FIPS_module_mode() && !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)
- && arg < 12)
- return 0;
-#endif
- /* Allocate memory for IV if needed */
- if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen))
- {
- if (gctx->iv != c->iv)
- OPENSSL_free(gctx->iv);
- gctx->iv = OPENSSL_malloc(arg);
- if (!gctx->iv)
- return 0;
- }
- gctx->ivlen = arg;
- return 1;
-
- case EVP_CTRL_GCM_SET_TAG:
- if (arg <= 0 || arg > 16 || c->encrypt)
- return 0;
- memcpy(c->buf, ptr, arg);
- gctx->taglen = arg;
- return 1;
-
- case EVP_CTRL_GCM_GET_TAG:
- if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
- return 0;
- memcpy(ptr, c->buf, arg);
- return 1;
-
- case EVP_CTRL_GCM_SET_IV_FIXED:
- /* Special case: -1 length restores whole IV */
- if (arg == -1)
- {
- memcpy(gctx->iv, ptr, gctx->ivlen);
- gctx->iv_gen = 1;
- return 1;
- }
- /* Fixed field must be at least 4 bytes and invocation field
- * at least 8.
- */
- if ((arg < 4) || (gctx->ivlen - arg) < 8)
- return 0;
- if (arg)
- memcpy(gctx->iv, ptr, arg);
- if (c->encrypt &&
- RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
- return 0;
- gctx->iv_gen = 1;
- return 1;
-
- case EVP_CTRL_GCM_IV_GEN:
- if (gctx->iv_gen == 0 || gctx->key_set == 0)
- return 0;
- CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
- if (arg <= 0 || arg > gctx->ivlen)
- arg = gctx->ivlen;
- memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
- /* Invocation field will be at least 8 bytes in size and
- * so no need to check wrap around or increment more than
- * last 8 bytes.
- */
- ctr64_inc(gctx->iv + gctx->ivlen - 8);
- gctx->iv_set = 1;
- return 1;
-
- case EVP_CTRL_GCM_SET_IV_INV:
- if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
- return 0;
- memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
- CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
- gctx->iv_set = 1;
- return 1;
-
- case EVP_CTRL_AEAD_TLS1_AAD:
- /* Save the AAD for later use */
- if (arg != 13)
- return 0;
- memcpy(c->buf, ptr, arg);
- gctx->tls_aad_len = arg;
- {
- unsigned int len=c->buf[arg-2]<<8|c->buf[arg-1];
- /* Correct length for explicit IV */
- len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
- /* If decrypting correct for tag too */
- if (!c->encrypt)
- len -= EVP_GCM_TLS_TAG_LEN;
- c->buf[arg-2] = len>>8;
- c->buf[arg-1] = len & 0xff;
- }
- /* Extra padding: tag appended to record */
- return EVP_GCM_TLS_TAG_LEN;
-
- case EVP_CTRL_COPY:
- {
- EVP_CIPHER_CTX *out = ptr;
- EVP_AES_GCM_CTX *gctx_out = out->cipher_data;
- if (gctx->gcm.key)
- {
- if (gctx->gcm.key != &gctx->ks)
- return 0;
- gctx_out->gcm.key = &gctx_out->ks;
- }
- if (gctx->iv == c->iv)
- gctx_out->iv = out->iv;
- else
- {
- gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
- if (!gctx_out->iv)
- return 0;
- memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
- }
- return 1;
- }
-
- default:
- return -1;
-
- }
- }
+{
+ EVP_AES_GCM_CTX *gctx = c->cipher_data;
+ switch (type) {
+ case EVP_CTRL_INIT:
+ gctx->key_set = 0;
+ gctx->iv_set = 0;
+ gctx->ivlen = c->cipher->iv_len;
+ gctx->iv = c->iv;
+ gctx->taglen = -1;
+ gctx->iv_gen = 0;
+ gctx->tls_aad_len = -1;
+ return 1;
+
+ case EVP_CTRL_GCM_SET_IVLEN:
+ if (arg <= 0)
+ return 0;
+# ifdef OPENSSL_FIPS
+ if (FIPS_module_mode() && !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)
+ && arg < 12)
+ return 0;
+# endif
+ /* Allocate memory for IV if needed */
+ if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
+ if (gctx->iv != c->iv)
+ OPENSSL_free(gctx->iv);
+ gctx->iv = OPENSSL_malloc(arg);
+ if (!gctx->iv)
+ return 0;
+ }
+ gctx->ivlen = arg;
+ return 1;
+
+ case EVP_CTRL_GCM_SET_TAG:
+ if (arg <= 0 || arg > 16 || c->encrypt)
+ return 0;
+ memcpy(c->buf, ptr, arg);
+ gctx->taglen = arg;
+ return 1;
+
+ case EVP_CTRL_GCM_GET_TAG:
+ if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
+ return 0;
+ memcpy(ptr, c->buf, arg);
+ return 1;
+
+ case EVP_CTRL_GCM_SET_IV_FIXED:
+ /* Special case: -1 length restores whole IV */
+ if (arg == -1) {
+ memcpy(gctx->iv, ptr, gctx->ivlen);
+ gctx->iv_gen = 1;
+ return 1;
+ }
+ /*
+ * Fixed field must be at least 4 bytes and invocation field at least
+ * 8.
+ */
+ if ((arg < 4) || (gctx->ivlen - arg) < 8)
+ return 0;
+ if (arg)
+ memcpy(gctx->iv, ptr, arg);
+ if (c->encrypt && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
+ return 0;
+ gctx->iv_gen = 1;
+ return 1;
+
+ case EVP_CTRL_GCM_IV_GEN:
+ if (gctx->iv_gen == 0 || gctx->key_set == 0)
+ return 0;
+ CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
+ if (arg <= 0 || arg > gctx->ivlen)
+ arg = gctx->ivlen;
+ memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
+ /*
+ * Invocation field will be at least 8 bytes in size and so no need
+ * to check wrap around or increment more than last 8 bytes.
+ */
+ ctr64_inc(gctx->iv + gctx->ivlen - 8);
+ gctx->iv_set = 1;
+ return 1;
+
+ case EVP_CTRL_GCM_SET_IV_INV:
+ if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
+ return 0;
+ memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
+ CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
+ gctx->iv_set = 1;
+ return 1;
+
+ case EVP_CTRL_AEAD_TLS1_AAD:
+ /* Save the AAD for later use */
+ if (arg != 13)
+ return 0;
+ memcpy(c->buf, ptr, arg);
+ gctx->tls_aad_len = arg;
+ {
+ unsigned int len = c->buf[arg - 2] << 8 | c->buf[arg - 1];
+ /* Correct length for explicit IV */
+ len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
+ /* If decrypting correct for tag too */
+ if (!c->encrypt)
+ len -= EVP_GCM_TLS_TAG_LEN;
+ c->buf[arg - 2] = len >> 8;
+ c->buf[arg - 1] = len & 0xff;
+ }
+ /* Extra padding: tag appended to record */
+ return EVP_GCM_TLS_TAG_LEN;
+
+ case EVP_CTRL_COPY:
+ {
+ EVP_CIPHER_CTX *out = ptr;
+ EVP_AES_GCM_CTX *gctx_out = out->cipher_data;
+ if (gctx->gcm.key) {
+ if (gctx->gcm.key != &gctx->ks)
+ return 0;
+ gctx_out->gcm.key = &gctx_out->ks;
+ }
+ if (gctx->iv == c->iv)
+ gctx_out->iv = out->iv;
+ else {
+ gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
+ if (!gctx_out->iv)
+ return 0;
+ memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
+ }
+ return 1;
+ }
+
+ default:
+ return -1;
+
+ }
+}
static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
- if (!iv && !key)
- return 1;
- if (key)
- { do {
-#ifdef BSAES_CAPABLE
- if (BSAES_CAPABLE)
- {
- AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks);
- CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
- (block128_f)AES_encrypt);
- gctx->ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
- break;
- }
- else
-#endif
-#ifdef VPAES_CAPABLE
- if (VPAES_CAPABLE)
- {
- vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks);
- CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
- (block128_f)vpaes_encrypt);
- gctx->ctr = NULL;
- break;
- }
- else
-#endif
- (void)0; /* terminate potentially open 'else' */
-
- AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
- CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt);
-#ifdef AES_CTR_ASM
- gctx->ctr = (ctr128_f)AES_ctr32_encrypt;
-#else
- gctx->ctr = NULL;
-#endif
- } while (0);
-
- /* If we have an iv can set it directly, otherwise use
- * saved IV.
- */
- if (iv == NULL && gctx->iv_set)
- iv = gctx->iv;
- if (iv)
- {
- CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
- gctx->iv_set = 1;
- }
- gctx->key_set = 1;
- }
- else
- {
- /* If key set use IV, otherwise copy */
- if (gctx->key_set)
- CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
- else
- memcpy(gctx->iv, iv, gctx->ivlen);
- gctx->iv_set = 1;
- gctx->iv_gen = 0;
- }
- return 1;
- }
-
-/* Handle TLS GCM packet format. This consists of the last portion of the IV
+ const unsigned char *iv, int enc)
+{
+ EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+ if (key) {
+ do {
+# ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE) {
+ AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
+ CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
+ (block128_f) AES_encrypt);
+ gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
+ break;
+ } else
+# endif
+# ifdef VPAES_CAPABLE
+ if (VPAES_CAPABLE) {
+ vpaes_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
+ CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
+ (block128_f) vpaes_encrypt);
+ gctx->ctr = NULL;
+ break;
+ } else
+# endif
+ (void)0; /* terminate potentially open 'else' */
+
+ AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
+ CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
+ (block128_f) AES_encrypt);
+# ifdef AES_CTR_ASM
+ gctx->ctr = (ctr128_f) AES_ctr32_encrypt;
+# else
+ gctx->ctr = NULL;
+# endif
+ } while (0);
+
+ /*
+ * If we have an iv can set it directly, otherwise use saved IV.
+ */
+ if (iv == NULL && gctx->iv_set)
+ iv = gctx->iv;
+ if (iv) {
+ CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+ gctx->iv_set = 1;
+ }
+ gctx->key_set = 1;
+ } else {
+ /* If key set use IV, otherwise copy */
+ if (gctx->key_set)
+ CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+ else
+ memcpy(gctx->iv, iv, gctx->ivlen);
+ gctx->iv_set = 1;
+ gctx->iv_gen = 0;
+ }
+ return 1;
+}
+
+/*
+ * Handle TLS GCM packet format. This consists of the last portion of the IV
* followed by the payload and finally the tag. On encrypt generate IV,
* encrypt payload and write the tag. On verify retrieve IV, decrypt payload
* and verify tag.
*/
static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len)
- {
- EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
- int rv = -1;
- /* Encrypt/decrypt must be performed in place */
- if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN+EVP_GCM_TLS_TAG_LEN))
- return -1;
- /* Set IV from start of buffer or generate IV and write to start
- * of buffer.
- */
- if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
- EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
- EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
- goto err;
- /* Use saved AAD */
- if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
- goto err;
- /* Fix buffer and length to point to payload */
- in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
- out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
- len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
- if (ctx->encrypt)
- {
- /* Encrypt payload */
- if (gctx->ctr)
- {
- if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
- in, out, len,
- gctx->ctr))
- goto err;
- }
- else {
- if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
- goto err;
- }
- out += len;
- /* Finally write tag */
- CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
- rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
- }
- else
- {
- /* Decrypt */
- if (gctx->ctr)
- {
- if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
- in, out, len,
- gctx->ctr))
- goto err;
- }
- else {
- if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
- goto err;
- }
- /* Retrieve tag */
- CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf,
- EVP_GCM_TLS_TAG_LEN);
- /* If tag mismatch wipe buffer */
- if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN))
- {
- OPENSSL_cleanse(out, len);
- goto err;
- }
- rv = len;
- }
-
- err:
- gctx->iv_set = 0;
- gctx->tls_aad_len = -1;
- return rv;
- }
+ const unsigned char *in, size_t len)
+{
+ EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
+ int rv = -1;
+ /* Encrypt/decrypt must be performed in place */
+ if (out != in
+ || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
+ return -1;
+ /*
+ * Set IV from start of buffer or generate IV and write to start of
+ * buffer.
+ */
+ if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
+ EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
+ EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
+ goto err;
+ /* Use saved AAD */
+ if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
+ goto err;
+ /* Fix buffer and length to point to payload */
+ in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
+ out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
+ len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
+ if (ctx->encrypt) {
+ /* Encrypt payload */
+ if (gctx->ctr) {
+ if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
+ in, out, len, gctx->ctr))
+ goto err;
+ } else {
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
+ goto err;
+ }
+ out += len;
+ /* Finally write tag */
+ CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
+ rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
+ } else {
+ /* Decrypt */
+ if (gctx->ctr) {
+ if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
+ in, out, len, gctx->ctr))
+ goto err;
+ } else {
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
+ goto err;
+ }
+ /* Retrieve tag */
+ CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, EVP_GCM_TLS_TAG_LEN);
+ /* If tag mismatch wipe buffer */
+ if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN)) {
+ OPENSSL_cleanse(out, len);
+ goto err;
+ }
+ rv = len;
+ }
+
+ err:
+ gctx->iv_set = 0;
+ gctx->tls_aad_len = -1;
+ return rv;
+}
static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len)
- {
- EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
- /* If not set up, return error */
- if (!gctx->key_set)
- return -1;
-
- if (gctx->tls_aad_len >= 0)
- return aes_gcm_tls_cipher(ctx, out, in, len);
-
- if (!gctx->iv_set)
- return -1;
- if (in)
- {
- if (out == NULL)
- {
- if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
- return -1;
- }
- else if (ctx->encrypt)
- {
- if (gctx->ctr)
- {
- if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
- in, out, len,
- gctx->ctr))
- return -1;
- }
- else {
- if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
- return -1;
- }
- }
- else
- {
- if (gctx->ctr)
- {
- if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
- in, out, len,
- gctx->ctr))
- return -1;
- }
- else {
- if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
- return -1;
- }
- }
- return len;
- }
- else
- {
- if (!ctx->encrypt)
- {
- if (gctx->taglen < 0)
- return -1;
- if (CRYPTO_gcm128_finish(&gctx->gcm,
- ctx->buf, gctx->taglen) != 0)
- return -1;
- gctx->iv_set = 0;
- return 0;
- }
- CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
- gctx->taglen = 16;
- /* Don't reuse the IV */
- gctx->iv_set = 0;
- return 0;
- }
-
- }
-
-#define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
- | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
- | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
- | EVP_CIPH_CUSTOM_COPY)
-
-BLOCK_CIPHER_custom(NID_aes,128,1,12,gcm,GCM,
- EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
-BLOCK_CIPHER_custom(NID_aes,192,1,12,gcm,GCM,
- EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
-BLOCK_CIPHER_custom(NID_aes,256,1,12,gcm,GCM,
- EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
+ const unsigned char *in, size_t len)
+{
+ EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
+ /* If not set up, return error */
+ if (!gctx->key_set)
+ return -1;
+
+ if (gctx->tls_aad_len >= 0)
+ return aes_gcm_tls_cipher(ctx, out, in, len);
+
+ if (!gctx->iv_set)
+ return -1;
+ if (in) {
+ if (out == NULL) {
+ if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
+ return -1;
+ } else if (ctx->encrypt) {
+ if (gctx->ctr) {
+ if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
+ in, out, len, gctx->ctr))
+ return -1;
+ } else {
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
+ return -1;
+ }
+ } else {
+ if (gctx->ctr) {
+ if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
+ in, out, len, gctx->ctr))
+ return -1;
+ } else {
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
+ return -1;
+ }
+ }
+ return len;
+ } else {
+ if (!ctx->encrypt) {
+ if (gctx->taglen < 0)
+ return -1;
+ if (CRYPTO_gcm128_finish(&gctx->gcm, ctx->buf, gctx->taglen) != 0)
+ return -1;
+ gctx->iv_set = 0;
+ return 0;
+ }
+ CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
+ gctx->taglen = 16;
+ /* Don't reuse the IV */
+ gctx->iv_set = 0;
+ return 0;
+ }
+
+}
+
+# define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
+ | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
+ | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
+ | EVP_CIPH_CUSTOM_COPY)
+
+BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM,
+ EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER |
+ CUSTOM_FLAGS)
+ BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, gcm, GCM,
+ EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER |
+ CUSTOM_FLAGS)
+ BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, gcm, GCM,
+ EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER |
+ CUSTOM_FLAGS)
static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
- {
- EVP_AES_XTS_CTX *xctx = c->cipher_data;
- if (type == EVP_CTRL_COPY)
- {
- EVP_CIPHER_CTX *out = ptr;
- EVP_AES_XTS_CTX *xctx_out = out->cipher_data;
- if (xctx->xts.key1)
- {
- if (xctx->xts.key1 != &xctx->ks1)
- return 0;
- xctx_out->xts.key1 = &xctx_out->ks1;
- }
- if (xctx->xts.key2)
- {
- if (xctx->xts.key2 != &xctx->ks2)
- return 0;
- xctx_out->xts.key2 = &xctx_out->ks2;
- }
- return 1;
- }
- else if (type != EVP_CTRL_INIT)
- return -1;
- /* key1 and key2 are used as an indicator both key and IV are set */
- xctx->xts.key1 = NULL;
- xctx->xts.key2 = NULL;
- return 1;
- }
+{
+ EVP_AES_XTS_CTX *xctx = c->cipher_data;
+ if (type == EVP_CTRL_COPY) {
+ EVP_CIPHER_CTX *out = ptr;
+ EVP_AES_XTS_CTX *xctx_out = out->cipher_data;
+ if (xctx->xts.key1) {
+ if (xctx->xts.key1 != &xctx->ks1)
+ return 0;
+ xctx_out->xts.key1 = &xctx_out->ks1;
+ }
+ if (xctx->xts.key2) {
+ if (xctx->xts.key2 != &xctx->ks2)
+ return 0;
+ xctx_out->xts.key2 = &xctx_out->ks2;
+ }
+ return 1;
+ } else if (type != EVP_CTRL_INIT)
+ return -1;
+ /* key1 and key2 are used as an indicator both key and IV are set */
+ xctx->xts.key1 = NULL;
+ xctx->xts.key2 = NULL;
+ return 1;
+}
static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
- if (!iv && !key)
- return 1;
-
- if (key) do
- {
-#ifdef AES_XTS_ASM
- xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
-#else
- xctx->stream = NULL;
-#endif
- /* key_len is two AES keys */
-#ifdef BSAES_CAPABLE
- if (BSAES_CAPABLE)
- xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
- else
-#endif
-#ifdef VPAES_CAPABLE
- if (VPAES_CAPABLE)
- {
- if (enc)
- {
- vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
- xctx->xts.block1 = (block128_f)vpaes_encrypt;
- }
- else
- {
- vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
- xctx->xts.block1 = (block128_f)vpaes_decrypt;
- }
-
- vpaes_set_encrypt_key(key + ctx->key_len/2,
- ctx->key_len * 4, &xctx->ks2);
- xctx->xts.block2 = (block128_f)vpaes_encrypt;
-
- xctx->xts.key1 = &xctx->ks1;
- break;
- }
- else
-#endif
- (void)0; /* terminate potentially open 'else' */
-
- if (enc)
- {
- AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
- xctx->xts.block1 = (block128_f)AES_encrypt;
- }
- else
- {
- AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
- xctx->xts.block1 = (block128_f)AES_decrypt;
- }
-
- AES_set_encrypt_key(key + ctx->key_len/2,
- ctx->key_len * 4, &xctx->ks2);
- xctx->xts.block2 = (block128_f)AES_encrypt;
-
- xctx->xts.key1 = &xctx->ks1;
- } while (0);
-
- if (iv)
- {
- xctx->xts.key2 = &xctx->ks2;
- memcpy(ctx->iv, iv, 16);
- }
-
- return 1;
- }
+ const unsigned char *iv, int enc)
+{
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+
+ if (key)
+ do {
+# ifdef AES_XTS_ASM
+ xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
+# else
+ xctx->stream = NULL;
+# endif
+ /* key_len is two AES keys */
+# ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE)
+ xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
+ else
+# endif
+# ifdef VPAES_CAPABLE
+ if (VPAES_CAPABLE) {
+ if (enc) {
+ vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f) vpaes_encrypt;
+ } else {
+ vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f) vpaes_decrypt;
+ }
+
+ vpaes_set_encrypt_key(key + ctx->key_len / 2,
+ ctx->key_len * 4, &xctx->ks2);
+ xctx->xts.block2 = (block128_f) vpaes_encrypt;
+
+ xctx->xts.key1 = &xctx->ks1;
+ break;
+ } else
+# endif
+ (void)0; /* terminate potentially open 'else' */
+
+ if (enc) {
+ AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f) AES_encrypt;
+ } else {
+ AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f) AES_decrypt;
+ }
+
+ AES_set_encrypt_key(key + ctx->key_len / 2,
+ ctx->key_len * 4, &xctx->ks2);
+ xctx->xts.block2 = (block128_f) AES_encrypt;
+
+ xctx->xts.key1 = &xctx->ks1;
+ } while (0);
+
+ if (iv) {
+ xctx->xts.key2 = &xctx->ks2;
+ memcpy(ctx->iv, iv, 16);
+ }
+
+ return 1;
+}
static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len)
- {
- EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
- if (!xctx->xts.key1 || !xctx->xts.key2)
- return 0;
- if (!out || !in || len<AES_BLOCK_SIZE)
- return 0;
-#ifdef OPENSSL_FIPS
- /* Requirement of SP800-38E */
- if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
- (len > (1UL<<20)*16))
- {
- EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
- return 0;
- }
-#endif
- if (xctx->stream)
- (*xctx->stream)(in, out, len,
- xctx->xts.key1, xctx->xts.key2, ctx->iv);
- else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
- ctx->encrypt))
- return 0;
- return 1;
- }
+ const unsigned char *in, size_t len)
+{
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!xctx->xts.key1 || !xctx->xts.key2)
+ return 0;
+ if (!out || !in || len < AES_BLOCK_SIZE)
+ return 0;
+# ifdef OPENSSL_FIPS
+ /* Requirement of SP800-38E */
+ if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
+ (len > (1UL << 20) * 16)) {
+ EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
+ return 0;
+ }
+# endif
+ if (xctx->stream)
+ (*xctx->stream) (in, out, len,
+ xctx->xts.key1, xctx->xts.key2, ctx->iv);
+ else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
+ ctx->encrypt))
+ return 0;
+ return 1;
+}
-#define aes_xts_cleanup NULL
+# define aes_xts_cleanup NULL
-#define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
- | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
- | EVP_CIPH_CUSTOM_COPY)
+# define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
+ | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
+ | EVP_CIPH_CUSTOM_COPY)
-BLOCK_CIPHER_custom(NID_aes,128,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
-BLOCK_CIPHER_custom(NID_aes,256,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
+BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS,
+ EVP_CIPH_FLAG_FIPS | XTS_FLAGS)
+ BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS,
+ EVP_CIPH_FLAG_FIPS | XTS_FLAGS)
static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
- {
- EVP_AES_CCM_CTX *cctx = c->cipher_data;
- switch (type)
- {
- case EVP_CTRL_INIT:
- cctx->key_set = 0;
- cctx->iv_set = 0;
- cctx->L = 8;
- cctx->M = 12;
- cctx->tag_set = 0;
- cctx->len_set = 0;
- return 1;
-
- case EVP_CTRL_CCM_SET_IVLEN:
- arg = 15 - arg;
- case EVP_CTRL_CCM_SET_L:
- if (arg < 2 || arg > 8)
- return 0;
- cctx->L = arg;
- return 1;
-
- case EVP_CTRL_CCM_SET_TAG:
- if ((arg & 1) || arg < 4 || arg > 16)
- return 0;
- if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
- return 0;
- if (ptr)
- {
- cctx->tag_set = 1;
- memcpy(c->buf, ptr, arg);
- }
- cctx->M = arg;
- return 1;
-
- case EVP_CTRL_CCM_GET_TAG:
- if (!c->encrypt || !cctx->tag_set)
- return 0;
- if(!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
- return 0;
- cctx->tag_set = 0;
- cctx->iv_set = 0;
- cctx->len_set = 0;
- return 1;
-
- case EVP_CTRL_COPY:
- {
- EVP_CIPHER_CTX *out = ptr;
- EVP_AES_CCM_CTX *cctx_out = out->cipher_data;
- if (cctx->ccm.key)
- {
- if (cctx->ccm.key != &cctx->ks)
- return 0;
- cctx_out->ccm.key = &cctx_out->ks;
- }
- return 1;
- }
-
- default:
- return -1;
-
- }
- }
+{
+ EVP_AES_CCM_CTX *cctx = c->cipher_data;
+ switch (type) {
+ case EVP_CTRL_INIT:
+ cctx->key_set = 0;
+ cctx->iv_set = 0;
+ cctx->L = 8;
+ cctx->M = 12;
+ cctx->tag_set = 0;
+ cctx->len_set = 0;
+ return 1;
+
+ case EVP_CTRL_CCM_SET_IVLEN:
+ arg = 15 - arg;
+ case EVP_CTRL_CCM_SET_L:
+ if (arg < 2 || arg > 8)
+ return 0;
+ cctx->L = arg;
+ return 1;
+
+ case EVP_CTRL_CCM_SET_TAG:
+ if ((arg & 1) || arg < 4 || arg > 16)
+ return 0;
+ if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
+ return 0;
+ if (ptr) {
+ cctx->tag_set = 1;
+ memcpy(c->buf, ptr, arg);
+ }
+ cctx->M = arg;
+ return 1;
+
+ case EVP_CTRL_CCM_GET_TAG:
+ if (!c->encrypt || !cctx->tag_set)
+ return 0;
+ if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
+ return 0;
+ cctx->tag_set = 0;
+ cctx->iv_set = 0;
+ cctx->len_set = 0;
+ return 1;
+
+ case EVP_CTRL_COPY:
+ {
+ EVP_CIPHER_CTX *out = ptr;
+ EVP_AES_CCM_CTX *cctx_out = out->cipher_data;
+ if (cctx->ccm.key) {
+ if (cctx->ccm.key != &cctx->ks)
+ return 0;
+ cctx_out->ccm.key = &cctx_out->ks;
+ }
+ return 1;
+ }
+
+ default:
+ return -1;
+
+ }
+}
static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
- {
- EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
- if (!iv && !key)
- return 1;
- if (key) do
- {
-#ifdef VPAES_CAPABLE
- if (VPAES_CAPABLE)
- {
- vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks);
- CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
- &cctx->ks, (block128_f)vpaes_encrypt);
- cctx->str = NULL;
- cctx->key_set = 1;
- break;
- }
-#endif
- AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
- CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
- &cctx->ks, (block128_f)AES_encrypt);
- cctx->str = NULL;
- cctx->key_set = 1;
- } while (0);
- if (iv)
- {
- memcpy(ctx->iv, iv, 15 - cctx->L);
- cctx->iv_set = 1;
- }
- return 1;
- }
+ const unsigned char *iv, int enc)
+{
+ EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+ if (key)
+ do {
+# ifdef VPAES_CAPABLE
+ if (VPAES_CAPABLE) {
+ vpaes_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
+ CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+ &cctx->ks, (block128_f) vpaes_encrypt);
+ cctx->str = NULL;
+ cctx->key_set = 1;
+ break;
+ }
+# endif
+ AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
+ CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+ &cctx->ks, (block128_f) AES_encrypt);
+ cctx->str = NULL;
+ cctx->key_set = 1;
+ } while (0);
+ if (iv) {
+ memcpy(ctx->iv, iv, 15 - cctx->L);
+ cctx->iv_set = 1;
+ }
+ return 1;
+}
static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len)
- {
- EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
- CCM128_CONTEXT *ccm = &cctx->ccm;
- /* If not set up, return error */
- if (!cctx->iv_set && !cctx->key_set)
- return -1;
- if (!ctx->encrypt && !cctx->tag_set)
- return -1;
- if (!out)
- {
- if (!in)
- {
- if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,len))
- return -1;
- cctx->len_set = 1;
- return len;
- }
- /* If have AAD need message length */
- if (!cctx->len_set && len)
- return -1;
- CRYPTO_ccm128_aad(ccm, in, len);
- return len;
- }
- /* EVP_*Final() doesn't return any data */
- if (!in)
- return 0;
- /* If not set length yet do it */
- if (!cctx->len_set)
- {
- if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
- return -1;
- cctx->len_set = 1;
- }
- if (ctx->encrypt)
- {
- if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
- cctx->str) :
- CRYPTO_ccm128_encrypt(ccm, in, out, len))
- return -1;
- cctx->tag_set = 1;
- return len;
- }
- else
- {
- int rv = -1;
- if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
- cctx->str) :
- !CRYPTO_ccm128_decrypt(ccm, in, out, len))
- {
- unsigned char tag[16];
- if (CRYPTO_ccm128_tag(ccm, tag, cctx->M))
- {
- if (!memcmp(tag, ctx->buf, cctx->M))
- rv = len;
- }
- }
- if (rv == -1)
- OPENSSL_cleanse(out, len);
- cctx->iv_set = 0;
- cctx->tag_set = 0;
- cctx->len_set = 0;
- return rv;
- }
-
- }
-
-#define aes_ccm_cleanup NULL
-
-BLOCK_CIPHER_custom(NID_aes,128,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
-BLOCK_CIPHER_custom(NID_aes,192,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
-BLOCK_CIPHER_custom(NID_aes,256,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
+ const unsigned char *in, size_t len)
+{
+ EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
+ CCM128_CONTEXT *ccm = &cctx->ccm;
+ /* If not set up, return error */
+ if (!cctx->iv_set && !cctx->key_set)
+ return -1;
+ if (!ctx->encrypt && !cctx->tag_set)
+ return -1;
+ if (!out) {
+ if (!in) {
+ if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
+ return -1;
+ cctx->len_set = 1;
+ return len;
+ }
+ /* If have AAD need message length */
+ if (!cctx->len_set && len)
+ return -1;
+ CRYPTO_ccm128_aad(ccm, in, len);
+ return len;
+ }
+ /* EVP_*Final() doesn't return any data */
+ if (!in)
+ return 0;
+ /* If not set length yet do it */
+ if (!cctx->len_set) {
+ if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
+ return -1;
+ cctx->len_set = 1;
+ }
+ if (ctx->encrypt) {
+ if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
+ cctx->str) :
+ CRYPTO_ccm128_encrypt(ccm, in, out, len))
+ return -1;
+ cctx->tag_set = 1;
+ return len;
+ } else {
+ int rv = -1;
+ if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
+ cctx->str) :
+ !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
+ unsigned char tag[16];
+ if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
+ if (!memcmp(tag, ctx->buf, cctx->M))
+ rv = len;
+ }
+ }
+ if (rv == -1)
+ OPENSSL_cleanse(out, len);
+ cctx->iv_set = 0;
+ cctx->tag_set = 0;
+ cctx->len_set = 0;
+ return rv;
+ }
-#endif
+}
+
+# define aes_ccm_cleanup NULL
+
+BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, ccm, CCM,
+ EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS)
+ BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, ccm, CCM,
+ EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS)
+ BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, ccm, CCM,
+ EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS)
+# endif
#endif
projects / openssl.git / blobdiff