static int aes_init_key(EVP_CIPHER_CTX *ctx, const uint8_t *key,
                        const uint8_t *iv, int enc) {
  int ret, mode;
  EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;

  mode = ctx->cipher->flags & EVP_CIPH_MODE_MASK;
  if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) && !enc) {
    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 if (vpaes_capable()) {
      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 {
      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 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 if (vpaes_capable()) {
    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 {
    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;
  }

  if (ret < 0) {
    OPENSSL_PUT_ERROR(CIPHER, aes_init_key, CIPHER_R_AES_KEY_SETUP_FAILED);
    return 0;
  }

  return 1;
}
Example #2
0
ctr128_f aes_ctr_set_key(AES_KEY *aes_key, GCM128_CONTEXT *gcm_ctx,
                         block128_f *out_block, const uint8_t *key,
                         size_t key_bytes) {
  if (aesni_capable()) {
    aesni_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)aesni_encrypt, 1);
    }
    if (out_block) {
      *out_block = (block128_f) aesni_encrypt;
    }
    return (ctr128_f)aesni_ctr32_encrypt_blocks;
  }

  if (hwaes_capable()) {
    aes_hw_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)aes_hw_encrypt, 0);
    }
    if (out_block) {
      *out_block = (block128_f) aes_hw_encrypt;
    }
    return (ctr128_f)aes_hw_ctr32_encrypt_blocks;
  }

  if (bsaes_capable()) {
    AES_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt, 0);
    }
    if (out_block) {
      *out_block = (block128_f) AES_encrypt;
    }
    return (ctr128_f)bsaes_ctr32_encrypt_blocks;
  }

  if (vpaes_capable()) {
    vpaes_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (out_block) {
      *out_block = (block128_f) vpaes_encrypt;
    }
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)vpaes_encrypt, 0);
    }
    return NULL;
  }

  AES_set_encrypt_key(key, key_bytes * 8, aes_key);
  if (gcm_ctx != NULL) {
    CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt, 0);
  }
  if (out_block) {
    *out_block = (block128_f) AES_encrypt;
  }
  return NULL;
}
Example #3
0
ctr128_f aes_ctr_set_key(AES_KEY *aes_key, GCM128_KEY *gcm_key,
                         block128_f *out_block, const uint8_t *key,
                         size_t key_bytes) {
  if (hwaes_capable()) {
    aes_hw_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_key != NULL) {
      CRYPTO_gcm128_init_key(gcm_key, aes_key, aes_hw_encrypt, 1);
    }
    if (out_block) {
      *out_block = aes_hw_encrypt;
    }
    return aes_hw_ctr32_encrypt_blocks;
  }

  if (bsaes_capable()) {
    aes_nohw_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_key != NULL) {
      CRYPTO_gcm128_init_key(gcm_key, aes_key, aes_nohw_encrypt, 0);
    }
    if (out_block) {
      *out_block = aes_nohw_encrypt;
    }
    return bsaes_ctr32_encrypt_blocks;
  }

  if (vpaes_capable()) {
    vpaes_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (out_block) {
      *out_block = vpaes_encrypt;
    }
    if (gcm_key != NULL) {
      CRYPTO_gcm128_init_key(gcm_key, aes_key, vpaes_encrypt, 0);
    }
#if defined(VPAES_CTR32)
    return vpaes_ctr32_encrypt_blocks;
#else
    return NULL;
#endif
  }

  aes_nohw_set_encrypt_key(key, key_bytes * 8, aes_key);
  if (gcm_key != NULL) {
    CRYPTO_gcm128_init_key(gcm_key, aes_key, aes_nohw_encrypt, 0);
  }
  if (out_block) {
    *out_block = aes_nohw_encrypt;
  }
  return NULL;
}
static ctr128_f aes_gcm_set_key(AES_KEY *aes_key, GCM128_CONTEXT *gcm_ctx,
                                const uint8_t *key, size_t key_len) {
  if (bsaes_capable()) {
    AES_set_encrypt_key(key, key_len * 8, aes_key);
    CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt);
    return (ctr128_f)bsaes_ctr32_encrypt_blocks;
  }

  if (vpaes_capable()) {
    vpaes_set_encrypt_key(key, key_len * 8, aes_key);
    CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)vpaes_encrypt);
    return NULL;
  }

  AES_set_encrypt_key(key, key_len * 8, aes_key);
  CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt);
  return NULL;
}
Example #5
0
static ctr128_f aes_ctr_set_key(AES_KEY *aes_key, GCM128_CONTEXT *gcm_ctx,
                                block128_f *out_block, const uint8_t *key,
                                size_t key_len) {
#if defined(AESNI)
  if (aesni_capable()) {
    aesni_set_encrypt_key(key, key_len * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)aesni_encrypt);
    }
    if (out_block) {
      *out_block = (block128_f) aesni_encrypt;
    }
    return (ctr128_f)aesni_ctr32_encrypt_blocks;
  }
#endif

#if defined(HWAES)
  if (hwaes_capable()) {
    aes_v8_set_encrypt_key(key, key_len * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)aes_v8_encrypt);
    }
    if (out_block) {
      *out_block = (block128_f) aes_v8_encrypt;
    }
    return (ctr128_f)aes_v8_ctr32_encrypt_blocks;
  }
#endif

#if defined(BSAES)
  if (bsaes_capable()) {
    AES_set_encrypt_key(key, key_len * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt);
    }
    if (out_block) {
      *out_block = (block128_f) AES_encrypt;
    }
    return (ctr128_f)bsaes_ctr32_encrypt_blocks;
  }
#endif

#if defined(VPAES)
  if (vpaes_capable()) {
    vpaes_set_encrypt_key(key, key_len * 8, aes_key);
    if (out_block) {
      *out_block = (block128_f) vpaes_encrypt;
    }
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)vpaes_encrypt);
    }
    return NULL;
  }
#endif

  AES_set_encrypt_key(key, key_len * 8, aes_key);
  if (gcm_ctx != NULL) {
    CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt);
  }
  if (out_block) {
    *out_block = (block128_f) AES_encrypt;
  }
  return NULL;
}