/* ====================================================================
- * Copyright (c) 2001-2011 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 2001-2014 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
typedef struct
{
- AES_KEY ks;
+ union { double align; AES_KEY ks; } ks;
block128_f block;
union {
cbc128_f cbc;
typedef struct
{
- AES_KEY ks; /* AES key schedule to use */
+ union { double align; AES_KEY ks; } 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;
typedef struct
{
- AES_KEY ks1, ks2; /* AES key schedules to use */
+ union { double align; AES_KEY ks; } ks1, ks2; /* AES key schedules to use */
XTS128_CONTEXT xts;
void (*stream)(const unsigned char *in,
unsigned char *out, size_t length,
typedef struct
{
- AES_KEY ks; /* AES key schedule to use */
+ union { double align; AES_KEY ks; } 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 */
void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
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]);
+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
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(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
+# include "ppc_arch.h"
+# ifdef VPAES_ASM
+# define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
+# endif
+# define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
+# define HWAES_set_encrypt_key aes_p8_set_encrypt_key
+# define HWAES_set_decrypt_key aes_p8_set_decrypt_key
+# define HWAES_encrypt aes_p8_encrypt
+# define HWAES_decrypt aes_p8_decrypt
+# define HWAES_cbc_encrypt aes_p8_cbc_encrypt
+# define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
+#endif
#if defined(AES_ASM) && !defined(I386_ONLY) && ( \
((defined(__i386) || defined(__i386__) || \
defined(_M_AMD64) || defined(_M_X64) || \
defined(__INTEL__) )
-extern unsigned int OPENSSL_ia32cap_P[2];
+extern unsigned int OPENSSL_ia32cap_P[];
#ifdef VPAES_ASM
#define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
const unsigned char ivec[16],
unsigned char cmac[16]);
+#if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
+size_t aesni_gcm_encrypt(const unsigned char *in,
+ unsigned char *out,
+ size_t len,
+ const void *key,
+ unsigned char ivec[16],
+ u64 *Xi);
+#define AES_gcm_encrypt aesni_gcm_encrypt
+size_t aesni_gcm_decrypt(const unsigned char *in,
+ unsigned char *out,
+ size_t len,
+ const void *key,
+ unsigned char ivec[16],
+ u64 *Xi);
+#define AES_gcm_decrypt aesni_gcm_decrypt
+void gcm_ghash_avx(u64 Xi[2],const u128 Htable[16],const u8 *in,size_t len);
+#define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
+ gctx->gcm.ghash==gcm_ghash_avx)
+#define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
+ gctx->gcm.ghash==gcm_ghash_avx)
+#undef AES_GCM_ASM2 /* minor size optimization */
+#endif
+
static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
return 1;
if (key)
{
- aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
+ aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
(block128_f)aesni_encrypt);
gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
/* key_len is two AES keys */
if (enc)
{
- aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
xctx->xts.block1 = (block128_f)aesni_encrypt;
xctx->stream = aesni_xts_encrypt;
}
else
{
- aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
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);
+ ctx->key_len * 4, &xctx->ks2.ks);
xctx->xts.block2 = (block128_f)aesni_encrypt;
xctx->xts.key1 = &xctx->ks1;
return 1;
if (key)
{
- aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
+ aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.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 :
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
+#elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
+
+#include "sparc_arch.h"
+
+extern unsigned int OPENSSL_sparcv9cap_P[];
+
+#define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
+
+void aes_t4_set_encrypt_key (const unsigned char *key, int bits,
+ AES_KEY *ks);
+void aes_t4_set_decrypt_key (const unsigned char *key, int bits,
+ AES_KEY *ks);
+void aes_t4_encrypt (const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void aes_t4_decrypt (const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+/*
+ * Key-length specific subroutines were chosen for following reason.
+ * Each SPARC T4 core can execute up to 8 threads which share core's
+ * resources. Loading as much key material to registers allows to
+ * minimize references to shared memory interface, as well as amount
+ * of instructions in inner loops [much needed on T4]. But then having
+ * non-key-length specific routines would require conditional branches
+ * either in inner loops or on subroutines' entries. Former is hardly
+ * acceptable, while latter means code size increase to size occupied
+ * by multiple key-length specfic subroutines, so why fight?
+ */
+void aes128_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes128_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes192_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes192_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes256_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes256_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes128_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key,
+ unsigned char *ivec);
+void aes192_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key,
+ unsigned char *ivec);
+void aes256_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key,
+ unsigned char *ivec);
+void aes128_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key1,
+ const AES_KEY *key2, const unsigned char *ivec);
+void aes128_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key1,
+ const AES_KEY *key2, const unsigned char *ivec);
+void aes256_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key1,
+ const AES_KEY *key2, const unsigned char *ivec);
+void aes256_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key1,
+ const AES_KEY *key2, const unsigned char *ivec);
+
+static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ int ret, mode, bits;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
+
+ mode = ctx->cipher->flags & EVP_CIPH_MODE;
+ bits = ctx->key_len*8;
+ if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
+ && !enc)
+ {
+ ret = 0;
+ aes_t4_set_decrypt_key(key, bits, ctx->cipher_data);
+ dat->block = (block128_f)aes_t4_decrypt;
+ switch (bits) {
+ case 128:
+ dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
+ (cbc128_f)aes128_t4_cbc_decrypt :
+ NULL;
+ break;
+ case 192:
+ dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
+ (cbc128_f)aes192_t4_cbc_decrypt :
+ NULL;
+ break;
+ case 256:
+ dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
+ (cbc128_f)aes256_t4_cbc_decrypt :
+ NULL;
+ break;
+ default:
+ ret = -1;
+ }
+ }
+ else {
+ ret = 0;
+ aes_t4_set_encrypt_key(key, bits, ctx->cipher_data);
+ dat->block = (block128_f)aes_t4_encrypt;
+ switch (bits) {
+ case 128:
+ if (mode==EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
+ else if (mode==EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ case 192:
+ if (mode==EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
+ else if (mode==EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ case 256:
+ if (mode==EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
+ else if (mode==EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ default:
+ ret = -1;
+ }
+ }
+
+ if(ret < 0)
+ {
+ EVPerr(EVP_F_AES_T4_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ return 1;
+ }
+
+#define aes_t4_cbc_cipher aes_cbc_cipher
+static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
+ const unsigned char *in, size_t len);
+
+#define aes_t4_ecb_cipher aes_ecb_cipher
+static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
+ const unsigned char *in, size_t len);
+
+#define aes_t4_ofb_cipher aes_ofb_cipher
+static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
+ const unsigned char *in,size_t len);
+
+#define aes_t4_cfb_cipher aes_cfb_cipher
+static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
+ const unsigned char *in,size_t len);
+
+#define aes_t4_cfb8_cipher aes_cfb8_cipher
+static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
+ const unsigned char *in,size_t len);
+
+#define aes_t4_cfb1_cipher aes_cfb1_cipher
+static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
+ const unsigned char *in,size_t len);
+
+#define aes_t4_ctr_cipher aes_ctr_cipher
+static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+static int aes_t4_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)
+ {
+ int bits = ctx->key_len * 8;
+ aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
+ CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
+ (block128_f)aes_t4_encrypt);
+ switch (bits) {
+ case 128:
+ gctx->ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
+ break;
+ case 192:
+ gctx->ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
+ break;
+ case 256:
+ gctx->ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
+ break;
+ default:
+ return 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;
+ }
+
+#define aes_t4_gcm_cipher aes_gcm_cipher
+static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+static int aes_t4_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)
+ {
+ int bits = ctx->key_len * 4;
+ xctx->stream = NULL;
+ /* key_len is two AES keys */
+ if (enc)
+ {
+ aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
+ xctx->xts.block1 = (block128_f)aes_t4_encrypt;
+ switch (bits) {
+ case 128:
+ xctx->stream = aes128_t4_xts_encrypt;
+ break;
+#if 0 /* not yet */
+ case 192:
+ xctx->stream = aes192_t4_xts_encrypt;
+ break;
+#endif
+ case 256:
+ xctx->stream = aes256_t4_xts_encrypt;
+ break;
+ default:
+ return 0;
+ }
+ }
+ else
+ {
+ aes_t4_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+ xctx->xts.block1 = (block128_f)aes_t4_decrypt;
+ switch (bits) {
+ case 128:
+ xctx->stream = aes128_t4_xts_decrypt;
+ break;
+#if 0 /* not yet */
+ case 192:
+ xctx->stream = aes192_t4_xts_decrypt;
+ break;
+#endif
+ case 256:
+ xctx->stream = aes256_t4_xts_decrypt;
+ break;
+ default:
+ return 0;
+ }
+ }
+
+ aes_t4_set_encrypt_key(key + ctx->key_len/2,
+ ctx->key_len * 4, &xctx->ks2.ks);
+ xctx->xts.block2 = (block128_f)aes_t4_encrypt;
+
+ xctx->xts.key1 = &xctx->ks1;
+ }
+
+ if (iv)
+ {
+ xctx->xts.key2 = &xctx->ks2;
+ memcpy(ctx->iv, iv, 16);
+ }
+
+ return 1;
+ }
+
+#define aes_t4_xts_cipher aes_xts_cipher
+static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+static int aes_t4_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)
+ {
+ int bits = ctx->key_len * 8;
+ aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
+ CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+ &cctx->ks, (block128_f)aes_t4_encrypt);
+#if 0 /* not yet */
+ switch (bits) {
+ case 128:
+ cctx->str = enc?(ccm128_f)aes128_t4_ccm64_encrypt :
+ (ccm128_f)ae128_t4_ccm64_decrypt;
+ break;
+ case 192:
+ cctx->str = enc?(ccm128_f)aes192_t4_ccm64_encrypt :
+ (ccm128_f)ae192_t4_ccm64_decrypt;
+ break;
+ case 256:
+ cctx->str = enc?(ccm128_f)aes256_t4_ccm64_encrypt :
+ (ccm128_f)ae256_t4_ccm64_decrypt;
+ break;
+ default:
+ return 0;
+ }
+#endif
+ cctx->key_set = 1;
+ }
+ if (iv)
+ {
+ memcpy(ctx->iv, iv, 15 - cctx->L);
+ cctx->iv_set = 1;
+ }
+ return 1;
+ }
+
+#define aes_t4_ccm_cipher aes_ccm_cipher
+static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
+static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
+ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
+ flags|EVP_CIPH_##MODE##_MODE, \
+ aes_t4_init_key, \
+ aes_t4_##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 }; \
+const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
+{ return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
+
+#define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
+static const EVP_CIPHER aes_t4_##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_t4_##mode##_init_key, \
+ aes_t4_##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 }; \
+const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
+{ return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
+
#else
#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
NULL,NULL,aes_##mode##_ctrl,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return &aes_##keylen##_##mode; }
+
+#endif
+
+#if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
+#include "arm_arch.h"
+#if __ARM_ARCH__>=7
+# if defined(BSAES_ASM)
+# define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
+# endif
+# define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
+# define HWAES_set_encrypt_key aes_v8_set_encrypt_key
+# define HWAES_set_decrypt_key aes_v8_set_decrypt_key
+# define HWAES_encrypt aes_v8_encrypt
+# define HWAES_decrypt aes_v8_decrypt
+# define HWAES_cbc_encrypt aes_v8_cbc_encrypt
+# define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
+#endif
+#endif
+
+#if defined(HWAES_CAPABLE)
+int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
+int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
+void HWAES_encrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void HWAES_decrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char *ivec, const int enc);
+void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key, const unsigned char ivec[16]);
#endif
#define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
mode = ctx->cipher->flags & EVP_CIPH_MODE;
if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
&& !enc)
+#ifdef HWAES_CAPABLE
+ if (HWAES_CAPABLE)
+ {
+ ret = HWAES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
+ dat->block = (block128_f)HWAES_decrypt;
+ dat->stream.cbc = NULL;
+#ifdef HWAES_cbc_encrypt
+ if (mode==EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
+#endif
+ }
+ else
+#endif
#ifdef BSAES_CAPABLE
if (BSAES_CAPABLE && mode==EVP_CIPH_CBC_MODE)
{
- ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks);
+ ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
dat->block = (block128_f)AES_decrypt;
dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
}
#ifdef VPAES_CAPABLE
if (VPAES_CAPABLE)
{
- ret = vpaes_set_decrypt_key(key,ctx->key_len*8,&dat->ks);
+ ret = vpaes_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
dat->block = (block128_f)vpaes_decrypt;
dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
(cbc128_f)vpaes_cbc_encrypt :
else
#endif
{
- ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks);
+ ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
dat->block = (block128_f)AES_decrypt;
dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
(cbc128_f)AES_cbc_encrypt :
NULL;
}
else
+#ifdef HWAES_CAPABLE
+ if (HWAES_CAPABLE)
+ {
+ ret = HWAES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
+ dat->block = (block128_f)HWAES_encrypt;
+ dat->stream.cbc = NULL;
+#ifdef HWAES_cbc_encrypt
+ if (mode==EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
+ else
+#endif
+#ifdef HWAES_ctr32_encrypt_blocks
+ if (mode==EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
+ else
+#endif
+ (void)0; /* terminate potentially open 'else' */
+ }
+ else
+#endif
#ifdef BSAES_CAPABLE
if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE)
{
- ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
+ ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
dat->block = (block128_f)AES_encrypt;
dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
}
#ifdef VPAES_CAPABLE
if (VPAES_CAPABLE)
{
- ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
+ ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
dat->block = (block128_f)vpaes_encrypt;
dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
(cbc128_f)vpaes_cbc_encrypt :
else
#endif
{
- ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
+ ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
dat->block = (block128_f)AES_encrypt;
dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
(cbc128_f)AES_cbc_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);
+ CRYPTO_cbc128_decrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
return 1;
}
/* 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;
return 1;
if (key)
{ do {
+#ifdef HWAES_CAPABLE
+ if (HWAES_CAPABLE)
+ {
+ HWAES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
+ CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
+ (block128_f)HWAES_encrypt);
+#ifdef HWAES_ctr32_encrypt_blocks
+ gctx->ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
+#else
+ gctx->ctr = NULL;
+#endif
+ break;
+ }
+ else
+#endif
#ifdef BSAES_CAPABLE
if (BSAES_CAPABLE)
{
- AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks);
+ AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
(block128_f)AES_encrypt);
gctx->ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
#ifdef VPAES_CAPABLE
if (VPAES_CAPABLE)
{
- vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks);
+ vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
(block128_f)vpaes_encrypt);
gctx->ctr = NULL;
break;
}
+ else
#endif
- AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
+ (void)0; /* terminate potentially open 'else' */
+
+ AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt);
#ifdef AES_CTR_ASM
gctx->ctr = (ctr128_f)AES_ctr32_encrypt;
/* Encrypt payload */
if (gctx->ctr)
{
+ size_t bulk=0;
+#if defined(AES_GCM_ASM)
+ if (len>=32 && AES_GCM_ASM(gctx))
+ {
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
+ return -1;
+
+ bulk = AES_gcm_encrypt(in,out,len,
+ gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ }
+#endif
if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
- in, out, len,
+ in +bulk,
+ out+bulk,
+ len-bulk,
gctx->ctr))
goto err;
}
else {
- if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
+ size_t bulk=0;
+#if defined(AES_GCM_ASM2)
+ if (len>=32 && AES_GCM_ASM2(gctx))
+ {
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
+ return -1;
+
+ bulk = AES_gcm_encrypt(in,out,len,
+ gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ }
+#endif
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm,
+ in +bulk,
+ out+bulk,
+ len-bulk))
goto err;
}
out += len;
/* Decrypt */
if (gctx->ctr)
{
+ size_t bulk=0;
+#if defined(AES_GCM_ASM)
+ if (len>=16 && AES_GCM_ASM(gctx))
+ {
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
+ return -1;
+
+ bulk = AES_gcm_decrypt(in,out,len,
+ gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ }
+#endif
if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
- in, out, len,
+ in +bulk,
+ out+bulk,
+ len-bulk,
gctx->ctr))
goto err;
}
else {
- if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
+ size_t bulk=0;
+#if defined(AES_GCM_ASM2)
+ if (len>=16 && AES_GCM_ASM2(gctx))
+ {
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
+ return -1;
+
+ bulk = AES_gcm_decrypt(in,out,len,
+ gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ }
+#endif
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm,
+ in +bulk,
+ out+bulk,
+ len-bulk))
goto err;
}
/* Retrieve tag */
if (!gctx->iv_set)
return -1;
- if (!ctx->encrypt && gctx->taglen < 0)
- return -1;
if (in)
{
if (out == NULL)
{
if (gctx->ctr)
{
+ size_t bulk=0;
+#if defined(AES_GCM_ASM)
+ if (len>=32 && AES_GCM_ASM(gctx))
+ {
+ size_t res = (16-gctx->gcm.mres)%16;
+
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm,
+ in,out,res))
+ return -1;
+
+ bulk = AES_gcm_encrypt(in+res,
+ out+res,len-res, gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ bulk += res;
+ }
+#endif
if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
- in, out, len,
+ in +bulk,
+ out+bulk,
+ len-bulk,
gctx->ctr))
return -1;
}
else {
- if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
+ size_t bulk=0;
+#if defined(AES_GCM_ASM2)
+ if (len>=32 && AES_GCM_ASM2(gctx))
+ {
+ size_t res = (16-gctx->gcm.mres)%16;
+
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm,
+ in,out,res))
+ return -1;
+
+ bulk = AES_gcm_encrypt(in+res,
+ out+res,len-res, gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ bulk += res;
+ }
+#endif
+ if (CRYPTO_gcm128_encrypt(&gctx->gcm,
+ in +bulk,
+ out+bulk,
+ len-bulk))
return -1;
}
}
{
if (gctx->ctr)
{
+ size_t bulk=0;
+#if defined(AES_GCM_ASM)
+ if (len>=16 && AES_GCM_ASM(gctx))
+ {
+ size_t res = (16-gctx->gcm.mres)%16;
+
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm,
+ in,out,res))
+ return -1;
+
+ bulk = AES_gcm_decrypt(in+res,
+ out+res,len-res,
+ gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ bulk += res;
+ }
+#endif
if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
- in, out, len,
+ in +bulk,
+ out+bulk,
+ len-bulk,
gctx->ctr))
return -1;
}
else {
- if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
+ size_t bulk=0;
+#if defined(AES_GCM_ASM2)
+ if (len>=16 && AES_GCM_ASM2(gctx))
+ {
+ size_t res = (16-gctx->gcm.mres)%16;
+
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm,
+ in,out,res))
+ return -1;
+
+ bulk = AES_gcm_decrypt(in+res,
+ out+res,len-res,
+ gctx->gcm.key,
+ gctx->gcm.Yi.c,
+ gctx->gcm.Xi.u);
+ gctx->gcm.len.u[1] += bulk;
+ bulk += res;
+ }
+#endif
+ if (CRYPTO_gcm128_decrypt(&gctx->gcm,
+ in +bulk,
+ out+bulk,
+ len-bulk))
return -1;
}
}
{
if (!ctx->encrypt)
{
+ if (gctx->taglen < 0)
+ return -1;
if (CRYPTO_gcm128_finish(&gctx->gcm,
ctx->buf, gctx->taglen) != 0)
return -1;
#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_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)
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_INIT)
+ 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;
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 HWAES_CAPABLE
+ if (HWAES_CAPABLE)
+ {
+ if (enc)
+ {
+ HWAES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+ xctx->xts.block1 = (block128_f)HWAES_encrypt;
+ }
+ else
+ {
+ HWAES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+ xctx->xts.block1 = (block128_f)HWAES_decrypt;
+ }
+
+ HWAES_set_encrypt_key(key + ctx->key_len/2,
+ ctx->key_len * 4, &xctx->ks2.ks);
+ xctx->xts.block2 = (block128_f)HWAES_encrypt;
+
+ xctx->xts.key1 = &xctx->ks1;
+ break;
+ }
+ else
+#endif
+#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);
+ vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
xctx->xts.block1 = (block128_f)vpaes_encrypt;
}
else
{
- vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
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;
+ vpaes_set_encrypt_key(key + ctx->key_len/2,
+ ctx->key_len * 4, &xctx->ks2.ks);
+ xctx->xts.block2 = (block128_f)vpaes_encrypt;
- xctx->xts.key1 = &xctx->ks1;
- break;
- }
+ 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);
+ AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
xctx->xts.block1 = (block128_f)AES_encrypt;
}
else
{
- AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
xctx->xts.block1 = (block128_f)AES_decrypt;
}
AES_set_encrypt_key(key + ctx->key_len/2,
- ctx->key_len * 4, &xctx->ks2);
+ ctx->key_len * 4, &xctx->ks2.ks);
xctx->xts.block2 = (block128_f)AES_encrypt;
xctx->xts.key1 = &xctx->ks1;
EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
if (!xctx->xts.key1 || !xctx->xts.key2)
return 0;
- if (!out || !in)
+ if (!out || !in || len<AES_BLOCK_SIZE)
return 0;
#ifdef OPENSSL_FIPS
/* Requirement of SP800-38E */
#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_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)
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;
return 1;
if (key) do
{
+#ifdef HWAES_CAPABLE
+ if (HWAES_CAPABLE)
+ {
+ HWAES_set_encrypt_key(key,ctx->key_len*8,&cctx->ks.ks);
+
+ CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+ &cctx->ks, (block128_f)HWAES_encrypt);
+ cctx->str = NULL;
+ cctx->key_set = 1;
+ break;
+ }
+ else
+#endif
#ifdef VPAES_CAPABLE
if (VPAES_CAPABLE)
{
- vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks);
+ vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks.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);
+ AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
&cctx->ks, (block128_f)AES_encrypt);
cctx->str = NULL;
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)
+typedef struct
+ {
+ union { double align; AES_KEY ks; } ks;
+ /* Indicates if IV has been set */
+ unsigned char *iv;
+ } EVP_AES_WRAP_CTX;
+
+static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+ if (key)
+ {
+ if (ctx->encrypt)
+ AES_set_encrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
+ else
+ AES_set_decrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
+ if (!iv)
+ wctx->iv = NULL;
+ }
+ if (iv)
+ {
+ memcpy(ctx->iv, iv, EVP_CIPHER_CTX_iv_length(ctx));
+ wctx->iv = ctx->iv;
+ }
+ return 1;
+ }
+
+static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inlen)
+ {
+ EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
+ size_t rv;
+ /* AES wrap with padding has IV length of 4, without padding 8 */
+ int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4;
+ /* No final operation so always return zero length */
+ if (!in)
+ return 0;
+ /* Input length must always be non-zero */
+ if (!inlen)
+ return -1;
+ /* If decrypting need at least 16 bytes and multiple of 8 */
+ if (!ctx->encrypt && (inlen < 16 || inlen & 0x7))
+ return -1;
+ /* If not padding input must be multiple of 8 */
+ if (!pad && inlen & 0x7)
+ return -1;
+ if (!out)
+ {
+ if (ctx->encrypt)
+ {
+ /* If padding round up to multiple of 8 */
+ if (pad)
+ inlen = (inlen + 7)/8 * 8;
+ /* 8 byte prefix */
+ return inlen + 8;
+ }
+ else
+ {
+ /* If not padding output will be exactly 8 bytes
+ * smaller than input. If padding it will be at
+ * least 8 bytes smaller but we don't know how
+ * much.
+ */
+ return inlen - 8;
+ }
+ }
+ if (pad)
+ {
+ if (ctx->encrypt)
+ rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv,
+ out, in, inlen,
+ (block128_f)AES_encrypt);
+ else
+ rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv,
+ out, in, inlen,
+ (block128_f)AES_decrypt);
+ }
+ else
+ {
+ if (ctx->encrypt)
+ rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv,
+ out, in, inlen,
+ (block128_f)AES_encrypt);
+ else
+ rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv,
+ out, in, inlen,
+ (block128_f)AES_decrypt);
+ }
+ return rv ? (int)rv : -1;
+ }
+
+#define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
+ | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
+ | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
+
+static const EVP_CIPHER aes_128_wrap = {
+ NID_id_aes128_wrap,
+ 8, 16, 8, WRAP_FLAGS,
+ aes_wrap_init_key, aes_wrap_cipher,
+ NULL,
+ sizeof(EVP_AES_WRAP_CTX),
+ NULL,NULL,NULL,NULL };
+
+const EVP_CIPHER *EVP_aes_128_wrap(void)
+ {
+ return &aes_128_wrap;
+ }
+
+static const EVP_CIPHER aes_192_wrap = {
+ NID_id_aes192_wrap,
+ 8, 24, 8, WRAP_FLAGS,
+ aes_wrap_init_key, aes_wrap_cipher,
+ NULL,
+ sizeof(EVP_AES_WRAP_CTX),
+ NULL,NULL,NULL,NULL };
+
+const EVP_CIPHER *EVP_aes_192_wrap(void)
+ {
+ return &aes_192_wrap;
+ }
+
+static const EVP_CIPHER aes_256_wrap = {
+ NID_id_aes256_wrap,
+ 8, 32, 8, WRAP_FLAGS,
+ aes_wrap_init_key, aes_wrap_cipher,
+ NULL,
+ sizeof(EVP_AES_WRAP_CTX),
+ NULL,NULL,NULL,NULL };
+
+const EVP_CIPHER *EVP_aes_256_wrap(void)
+ {
+ return &aes_256_wrap;
+ }
+
+static const EVP_CIPHER aes_128_wrap_pad = {
+ NID_id_aes128_wrap_pad,
+ 8, 16, 4, WRAP_FLAGS,
+ aes_wrap_init_key, aes_wrap_cipher,
+ NULL,
+ sizeof(EVP_AES_WRAP_CTX),
+ NULL,NULL,NULL,NULL };
+
+const EVP_CIPHER *EVP_aes_128_wrap_pad(void)
+ {
+ return &aes_128_wrap_pad;
+ }
+
+static const EVP_CIPHER aes_192_wrap_pad = {
+ NID_id_aes192_wrap_pad,
+ 8, 24, 4, WRAP_FLAGS,
+ aes_wrap_init_key, aes_wrap_cipher,
+ NULL,
+ sizeof(EVP_AES_WRAP_CTX),
+ NULL,NULL,NULL,NULL };
+
+const EVP_CIPHER *EVP_aes_192_wrap_pad(void)
+ {
+ return &aes_192_wrap_pad;
+ }
+
+static const EVP_CIPHER aes_256_wrap_pad = {
+ NID_id_aes256_wrap_pad,
+ 8, 32, 4, WRAP_FLAGS,
+ aes_wrap_init_key, aes_wrap_cipher,
+ NULL,
+ sizeof(EVP_AES_WRAP_CTX),
+ NULL,NULL,NULL,NULL };
+
+const EVP_CIPHER *EVP_aes_256_wrap_pad(void)
+ {
+ return &aes_256_wrap_pad;
+ }
+
#endif
projects / openssl.git / blobdiff