diff options
Diffstat (limited to 'providers/implementations/ciphers/cipher_aes_hw.c')
| -rw-r--r-- | providers/implementations/ciphers/cipher_aes_hw.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/providers/implementations/ciphers/cipher_aes_hw.c b/providers/implementations/ciphers/cipher_aes_hw.c new file mode 100644 index 0000000000..e9b6388300 --- /dev/null +++ b/providers/implementations/ciphers/cipher_aes_hw.c @@ -0,0 +1,139 @@ +/* + * Copyright 2001-2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include "cipher_aes.h" +#include "internal/providercommonerr.h" + +static int cipher_hw_aes_initkey(PROV_CIPHER_CTX *dat, + const unsigned char *key, size_t keylen) +{ + int ret; + PROV_AES_CTX *adat = (PROV_AES_CTX *)dat; + AES_KEY *ks = &adat->ks.ks; + + dat->ks = ks; + + if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE) + && !dat->enc) { +#ifdef HWAES_CAPABLE + if (HWAES_CAPABLE) { + ret = HWAES_set_decrypt_key(key, keylen * 8, ks); + dat->block = (block128_f)HWAES_decrypt; + dat->stream.cbc = NULL; +# ifdef HWAES_cbc_encrypt + if (dat->mode == EVP_CIPH_CBC_MODE) + dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt; +# endif + } else +#endif +#ifdef BSAES_CAPABLE + if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CBC_MODE) { + ret = AES_set_decrypt_key(key, keylen * 8, 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, keylen * 8, ks); + dat->block = (block128_f)vpaes_decrypt; + dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE) + ?(cbc128_f)vpaes_cbc_encrypt : NULL; + } else +#endif + { + ret = AES_set_decrypt_key(key, keylen * 8, ks); + dat->block = (block128_f)AES_decrypt; + dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE) + ? (cbc128_f)AES_cbc_encrypt : NULL; + } + } else +#ifdef HWAES_CAPABLE + if (HWAES_CAPABLE) { + ret = HWAES_set_encrypt_key(key, keylen * 8, ks); + dat->block = (block128_f)HWAES_encrypt; + dat->stream.cbc = NULL; +# ifdef HWAES_cbc_encrypt + if (dat->mode == EVP_CIPH_CBC_MODE) + dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt; + else +# endif +# ifdef HWAES_ctr32_encrypt_blocks + if (dat->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 && dat->mode == EVP_CIPH_CTR_MODE) { + ret = AES_set_encrypt_key(key, keylen * 8, 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, keylen * 8, ks); + dat->block = (block128_f)vpaes_encrypt; + dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE) + ? (cbc128_f)vpaes_cbc_encrypt : NULL; + } else +#endif + { + ret = AES_set_encrypt_key(key, keylen * 8, ks); + dat->block = (block128_f)AES_encrypt; + dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE) + ? (cbc128_f)AES_cbc_encrypt : NULL; +#ifdef AES_CTR_ASM + if (dat->mode == EVP_CIPH_CTR_MODE) + dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt; +#endif + } + + if (ret < 0) { + ERR_raise(ERR_LIB_PROV, PROV_R_AES_KEY_SETUP_FAILED); + return 0; + } + + return 1; +} + +#define PROV_CIPHER_HW_aes_mode(mode) \ +static const PROV_CIPHER_HW aes_##mode = { \ + cipher_hw_aes_initkey, \ + cipher_hw_generic_##mode \ +}; \ +PROV_CIPHER_HW_declare(mode) \ +const PROV_CIPHER_HW *PROV_CIPHER_HW_aes_##mode(size_t keybits) \ +{ \ + PROV_CIPHER_HW_select(mode) \ + return &aes_##mode; \ +} + +#if defined(AESNI_CAPABLE) +# include "cipher_aes_hw_aesni.inc" +#elif defined(SPARC_AES_CAPABLE) +# include "cipher_aes_hw_t4.inc" +#elif defined(S390X_aes_128_CAPABLE) +# include "cipher_aes_hw_s390x.inc" +#else +/* The generic case */ +# define PROV_CIPHER_HW_declare(mode) +# define PROV_CIPHER_HW_select(mode) +#endif + +PROV_CIPHER_HW_aes_mode(cbc) +PROV_CIPHER_HW_aes_mode(ecb) +PROV_CIPHER_HW_aes_mode(ofb128) +PROV_CIPHER_HW_aes_mode(cfb128) +PROV_CIPHER_HW_aes_mode(cfb1) +PROV_CIPHER_HW_aes_mode(cfb8) +PROV_CIPHER_HW_aes_mode(ctr) |