typedef struct
{
- AES_KEY ks;
- void (*block)(const unsigned char *in, unsigned char *out,
- const AES_KEY *key);
- void (*cbc)(const unsigned char *in,
- unsigned char *out,
- size_t length,
- const AES_KEY *key,
- unsigned char *ivec, int enc);
-
+ union { double align; AES_KEY ks; } 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 */
+ 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;
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 */
+ 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,
+ 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 */
+ 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 */
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))
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);
+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(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)))
#endif
+#ifdef BSAES_ASM
+#define BSAES_CAPABLE VPAES_CAPABLE
+#endif
/*
* AES-NI section
*/
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)
{
- int ret;
+ int ret, mode;
+ EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
- if (((ctx->cipher->flags & EVP_CIPH_MODE) == EVP_CIPH_ECB_MODE
- || (ctx->cipher->flags & EVP_CIPH_MODE) == EVP_CIPH_CBC_MODE)
- && !enc)
+ 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);
- else
+ 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)
{
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)
-{
- CRYPTO_ofb128_encrypt(in,out,len,ctx->cipher_data,
- ctx->iv,&ctx->num,
- (block128_f)aesni_encrypt);
- return 1;
-}
+ 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)
-{
- CRYPTO_cfb128_encrypt(in,out,len,ctx->cipher_data,
- ctx->iv,&ctx->num,ctx->encrypt,
- (block128_f)aesni_encrypt);
- return 1;
-}
+ 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)
-{
- CRYPTO_cfb128_8_encrypt(in,out,len,ctx->cipher_data,
- ctx->iv,&ctx->num,ctx->encrypt,
- (block128_f)aesni_encrypt);
- return 1;
-}
+ 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)
-{
- if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
- CRYPTO_cfb128_1_encrypt(in,out,len,ctx->cipher_data,
- ctx->iv,&ctx->num,ctx->encrypt,
- (block128_f)aesni_encrypt);
- return 1;
- }
-
- while (len>=MAXBITCHUNK) {
- CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,ctx->cipher_data,
- ctx->iv,&ctx->num,ctx->encrypt,
- (block128_f)aesni_encrypt);
- len-=MAXBITCHUNK;
- }
- if (len)
- CRYPTO_cfb128_1_encrypt(in,out,len*8,ctx->cipher_data,
- ctx->iv,&ctx->num,ctx->encrypt,
- (block128_f)aesni_encrypt);
-
- return 1;
-}
+ const unsigned char *in,size_t len);
+#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)
-{
- unsigned int num;
- num = ctx->num;
-
- CRYPTO_ctr128_encrypt_ctr32(in,out,len,
- ctx->cipher_data,ctx->iv,ctx->buf,&num,
- (ctr128_f)aesni_ctr32_encrypt_blocks);
-
- ctx->num = (size_t)num;
- return 1;
-}
+ 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)
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;
/* If we have an iv can set it directly, otherwise use
* saved IV.
*/
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.
- */
+#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);
-static int aesni_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- 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_GCM_CTX *gctx = ctx->cipher_data;
- int rv = -1;
- /* Encrypt/decrypt must be performed in place */
- if (out != in)
- 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 (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm, in, out, len,
- aesni_ctr32_encrypt_blocks))
- 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
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+
+ if (key)
{
- /* Decrypt */
- if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm, in, out, len,
- aesni_ctr32_encrypt_blocks))
- 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))
+ /* key_len is two AES keys */
+ if (enc)
{
- OPENSSL_cleanse(out, len);
- goto err;
+ aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
+ xctx->xts.block1 = (block128_f)aesni_encrypt;
+ xctx->stream = aesni_xts_encrypt;
}
- rv = len;
+ else
+ {
+ 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.ks);
+ xctx->xts.block2 = (block128_f)aesni_encrypt;
+
+ xctx->xts.key1 = &xctx->ks1;
}
- err:
- gctx->iv_set = 0;
- gctx->tls_aad_len = -1;
- return rv;
+ if (iv)
+ {
+ xctx->xts.key2 = &xctx->ks2;
+ memcpy(ctx->iv, iv, 16);
+ }
+
+ return 1;
}
-static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t len)
+#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);
+
+static int aesni_ccm_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 not set up, return error */
- if (!gctx->key_set)
- return -1;
+ 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.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;
+ }
- if (gctx->tls_aad_len >= 0)
- return aesni_gcm_tls_cipher(ctx, out, in, len);
+#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);
- if (!gctx->iv_set)
- return -1;
- if (!ctx->encrypt && gctx->taglen < 0)
- return -1;
- if (in)
+#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 }; \
+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 AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
+
+#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 }; \
+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 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)
{
- if (out == NULL)
- {
- if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
- return -1;
- }
- else if (ctx->encrypt)
- {
- if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
- in, out, len,
- aesni_ctr32_encrypt_blocks))
- return -1;
- }
- else
+ 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)
{
- if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
- in, out, len,
- aesni_ctr32_encrypt_blocks))
- return -1;
+ CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+ gctx->iv_set = 1;
}
- return len;
+ gctx->key_set = 1;
}
else
{
- if (!ctx->encrypt)
- {
- 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;
+ /* 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;
}
-static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+#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 (key)
{
+ int bits = ctx->key_len * 4;
+ xctx->stream = NULL;
/* 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;
+ 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
{
- aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
- xctx->xts.block1 = (block128_f)aesni_decrypt;
+ 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;
+ }
}
- aesni_set_encrypt_key(key + ctx->key_len/2,
- ctx->key_len * 4, &xctx->ks2);
- xctx->xts.block2 = (block128_f)aesni_encrypt;
+ 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;
}
return 1;
}
-static int aesni_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 -1;
- if (!out || !in)
- return -1;
-#ifdef OPENSSL_FIPS
- /* Requirement of SP800-38E */
- if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
- (len > (1L<<20)*16))
- {
- EVPerr(EVP_F_AESNI_XTS_CIPHER, EVP_R_TOO_LARGE);
- return -1;
- }
-#endif
- if (ctx->encrypt)
- aesni_xts_encrypt(in, out, len,
- xctx->xts.key1, xctx->xts.key2, ctx->iv);
- else
- aesni_xts_decrypt(in, out, len,
- xctx->xts.key1, xctx->xts.key2, ctx->iv);
-
- return len;
- }
+#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 aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+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;
return 1;
if (key)
{
- aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
+ 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)aesni_encrypt);
+ &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)
return 1;
}
-static int aesni_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 (CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
- aesni_ccm64_encrypt_blocks))
- return -1;
- cctx->tag_set = 1;
- return len;
- }
- else
- {
- int rv = -1;
- if (!CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
- aesni_ccm64_decrypt_blocks))
- {
- 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_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 aesni_##keylen##_##mode = { \
+static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
flags|EVP_CIPH_##MODE##_MODE, \
- aesni_init_key, \
- aesni_##mode##_cipher, \
+ aes_t4_init_key, \
+ aes_t4_##mode##_cipher, \
NULL, \
sizeof(EVP_AES_KEY), \
NULL,NULL,NULL,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; }
+{ 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 aesni_##keylen##_##mode = { \
+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, \
- aesni_##mode##_init_key, \
- aesni_##mode##_cipher, \
+ aes_t4_##mode##_init_key, \
+ aes_t4_##mode##_cipher, \
aes_##mode##_cleanup, \
sizeof(EVP_AES_##MODE##_CTX), \
NULL,NULL,aes_##mode##_ctrl,NULL }; \
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; }
+{ return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
#else
NULL,NULL,aes_##mode##_ctrl,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return &aes_##keylen##_##mode; }
+
+#endif
+
+#if defined(AES_ASM) && defined(BSAES_ASM) && (defined(__arm__) || defined(__arm))
+#include "arm_arch.h"
+#if __ARM_ARCH__>=7
+#define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
+#endif
#endif
#define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
- int ret;
+ int ret, mode;
EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
- if (((ctx->cipher->flags & EVP_CIPH_MODE) == EVP_CIPH_ECB_MODE
- || (ctx->cipher->flags & EVP_CIPH_MODE) == EVP_CIPH_CBC_MODE)
+ 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.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 = vpaes_decrypt;
- dat->cbc = vpaes_cbc_encrypt;
+ 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 :
+ NULL;
}
else
#endif
{
- ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = AES_decrypt;
- dat->cbc = AES_cbc_encrypt;
+ 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 BSAES_CAPABLE
+ if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE)
+ {
+ 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;
+ }
+ else
+#endif
#ifdef VPAES_CAPABLE
if (VPAES_CAPABLE)
{
- ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = vpaes_encrypt;
- dat->cbc = vpaes_cbc_encrypt;
+ 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 :
+ NULL;
}
else
#endif
{
- ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks);
- dat->block = AES_encrypt;
- dat->cbc = AES_cbc_encrypt;
+ 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 :
+ NULL;
+#ifdef AES_CTR_ASM
+ if (mode==EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
+#endif
}
if(ret < 0)
{
EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
- (*dat->cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt);
+ 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;
}
EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
CRYPTO_ofb128_encrypt(in,out,len,&dat->ks,
- ctx->iv,&ctx->num,
- (block128_f)dat->block);
+ ctx->iv,&ctx->num,dat->block);
return 1;
}
EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
CRYPTO_cfb128_encrypt(in,out,len,&dat->ks,
- ctx->iv,&ctx->num,ctx->encrypt,
- (block128_f)dat->block);
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
return 1;
}
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,
- (block128_f)dat->block);
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
return 1;
}
if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks,
- ctx->iv,&ctx->num,ctx->encrypt,
- (block128_f)dat->block);
+ 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,
- (block128_f)dat->block);
+ 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,
- (block128_f)dat->block);
+ ctx->iv,&ctx->num,ctx->encrypt,dat->block);
return 1;
}
{
unsigned int num = ctx->num;
EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
-#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]);
- CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks,
- ctx->iv,ctx->buf,&num,(ctr128_f)AES_ctr32_encrypt);
-#else
- CRYPTO_ctr128_encrypt(in,out,len,&dat->ks,
- ctx->iv,ctx->buf,&num,(block128_f)dat->block);
-#endif
+ 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;
}
return 1;
if (key)
{ do {
+#ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE)
+ {
+ 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;
+ break;
+ }
+ else
+#endif
#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;
}
#endif
- 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);
+#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
EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
int rv = -1;
/* Encrypt/decrypt must be performed in place */
- if (out != in)
+ 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 (ctx->encrypt)
{
/* Encrypt payload */
- if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
- goto err;
+ 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 +bulk,
+ out+bulk,
+ len-bulk,
+ gctx->ctr))
+ goto err;
+ }
+ else {
+ 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;
/* Finally write tag */
CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
else
{
/* Decrypt */
- if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
- goto err;
+ 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 +bulk,
+ out+bulk,
+ len-bulk,
+ gctx->ctr))
+ goto err;
+ }
+ else {
+ 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 */
CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf,
EVP_GCM_TLS_TAG_LEN);
if (!gctx->iv_set)
return -1;
- if (!ctx->encrypt && gctx->taglen < 0)
- return -1;
if (in)
{
if (out == NULL)
}
else if (ctx->encrypt)
{
- if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
- return -1;
+ 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 +bulk,
+ out+bulk,
+ len-bulk,
+ gctx->ctr))
+ return -1;
+ }
+ else {
+ 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;
+ }
}
else
{
- if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
- 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 +bulk,
+ out+bulk,
+ len-bulk,
+ gctx->ctr))
+ return -1;
+ }
+ else {
+ 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;
+ }
}
return len;
}
{
if (!ctx->encrypt)
{
+ if (gctx->taglen < 0)
+ return -1;
if (CRYPTO_gcm128_finish(&gctx->gcm,
ctx->buf, gctx->taglen) != 0)
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 */
+#if !(defined(__arm__) || defined(__arm)) /* not yet? */
+#ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE)
+ xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
+ else
+#endif
+#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);
+ ctx->key_len * 4, &xctx->ks2.ks);
xctx->xts.block2 = (block128_f)vpaes_encrypt;
xctx->xts.key1 = &xctx->ks1;
#endif
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 -1;
- if (!out || !in)
- return -1;
+ 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 > (1L<<20)*16))
+ (len > (1UL<<20)*16))
{
EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
- return -1;
+ return 0;
}
#endif
- if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
+ 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 -1;
- return len;
+ return 0;
+ return 1;
}
#define aes_xts_cleanup NULL
-BLOCK_CIPHER_custom(NID_aes,128,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
-BLOCK_CIPHER_custom(NID_aes,256,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
+#define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
+ | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT)
+
+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)
{
#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;
cctx->key_set = 1;
} while (0);
if (iv)
}
if (ctx->encrypt)
{
- if (CRYPTO_ccm128_encrypt(ccm, in, out, len))
+ 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 (!CRYPTO_ccm128_decrypt(ccm, in, out, len))
+ 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))
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, 8);
+ 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;
+ if (inlen % 8)
+ return 0;
+ if (!out)
+ {
+ if (ctx->encrypt)
+ return inlen + 8;
+ else
+ return inlen - 8;
+ }
+ if (!in)
+ return 0;
+ 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)
+
+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;
+ }
+
#endif
projects / openssl.git / blobdiff