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crypto/evp/e_aes.c: fix logical pre-processor bug and formatting.

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Bug would emerge when XTS is added to bsaes-armv7.pl. Pointed out by
Ard Biesheuvel of Linaro.
(cherry picked from commit 044f63086051d7542fa9485a1432498c39c4d8fa)
This commit is contained in:
Andy Polyakov 2013-08-03 16:56:58 +02:00
parent 04b80f4003
commit 5cd1aa4f15
1 changed files with 11 additions and 5 deletions
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16
crypto/evp/e_aes.c
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@ -842,7 +842,10 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
gctx->ctr = NULL;
break;
}
else
#endif
(void)0; /* terminate potentially open 'else' */
AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt);
#ifdef AES_CTR_ASM
@ -1083,14 +1086,17 @@ static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
xctx->xts.block1 = (block128_f)vpaes_decrypt;
}
vpaes_set_encrypt_key(key + ctx->key_len/2,
vpaes_set_encrypt_key(key + ctx->key_len/2,
ctx->key_len * 4, &xctx->ks2);
xctx->xts.block2 = (block128_f)vpaes_encrypt;
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);