diff options
| author | Andy Polyakov <appro@openssl.org> | 2014-06-01 22:20:37 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2014-06-01 22:20:37 +0200 |
| commit | ddacb8f27ba4c8a8d51c306c150e1a8703b008f2 (patch) | |
| tree | 915d4e2270657a6743c6302d14c9c4f37f28aebd /crypto/evp | |
| parent | a09220d823f654bc6a6f03d79f0c9d8c7071e3c7 (diff) | |
Engage ARMv8 AES support.
Diffstat (limited to 'crypto/evp')
| -rw-r--r-- | crypto/evp/e_aes.c | 62 |
1 files changed, 60 insertions, 2 deletions
diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c index f8a69a0b5e..6ba452593b 100644 --- a/crypto/evp/e_aes.c +++ b/crypto/evp/e_aes.c @@ -900,13 +900,38 @@ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ #endif -#if defined(AES_ASM) && defined(BSAES_ASM) && (defined(__arm__) || defined(__arm)) +#if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__)) #include "arm_arch.h" #if __ARM_ARCH__>=7 -#define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON) +# 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) \ 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) \ @@ -925,6 +950,19 @@ static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 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) { @@ -953,6 +991,26 @@ static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 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) { |