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s3/s3_cbc.c: allow for compilations with NO_SHA256|512.

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(cherry picked from commit d5371324d9)
This commit is contained in:
Andy Polyakov 2013-02-01 10:10:32 +01:00 committed by Dr. Stephen Henson
parent 4af91ec072
commit bbb4ee8574
1 changed files with 18 additions and 1 deletions
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19
ssl/s3_cbc.c
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@ -339,7 +339,9 @@ static void tls1_sha1_final_raw(void* ctx, unsigned char *md_out)
l2n(sha1->h3, md_out);
l2n(sha1->h4, md_out);
}
#define LARGEST_DIGEST_CTX SHA_CTX
#ifndef OPENSSL_NO_SHA256
static void tls1_sha256_final_raw(void* ctx, unsigned char *md_out)
{
SHA256_CTX *sha256 = ctx;
@ -350,7 +352,11 @@ static void tls1_sha256_final_raw(void* ctx, unsigned char *md_out)
l2n(sha256->h[i], md_out);
}
}
#undef LARGEST_DIGEST_CTX
#define LARGEST_DIGEST_CTX SHA256_CTX
#endif
#ifndef OPENSSL_NO_SHA512
static void tls1_sha512_final_raw(void* ctx, unsigned char *md_out)
{
SHA512_CTX *sha512 = ctx;
@ -361,6 +367,9 @@ static void tls1_sha512_final_raw(void* ctx, unsigned char *md_out)
l2n8(sha512->h[i], md_out);
}
}
#undef LARGEST_DIGEST_CTX
#define LARGEST_DIGEST_CTX SHA512_CTX
#endif
/* ssl3_cbc_record_digest_supported returns 1 iff |ctx| uses a hash function
* which ssl3_cbc_digest_record supports. */
@ -374,10 +383,14 @@ char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx)
{
case NID_md5:
case NID_sha1:
#ifndef OPENSSL_NO_SHA256
case NID_sha224:
case NID_sha256:
#endif
#ifndef OPENSSL_NO_SHA512
case NID_sha384:
case NID_sha512:
#endif
return 1;
default:
return 0;
@ -416,7 +429,7 @@ void ssl3_cbc_digest_record(
char is_sslv3)
{
union { double align;
unsigned char c[sizeof(SHA512_CTX)]; } md_state;
unsigned char c[sizeof(LARGEST_DIGEST_CTX)]; } md_state;
void (*md_final_raw)(void *ctx, unsigned char *md_out);
void (*md_transform)(void *ctx, const unsigned char *block);
unsigned md_size, md_block_size = 64;
@ -454,6 +467,7 @@ void ssl3_cbc_digest_record(
md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA1_Transform;
md_size = 20;
break;
#ifndef OPENSSL_NO_SHA256
case NID_sha224:
SHA224_Init((SHA256_CTX*)md_state.c);
md_final_raw = tls1_sha256_final_raw;
@ -466,6 +480,8 @@ void ssl3_cbc_digest_record(
md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA256_Transform;
md_size = 32;
break;
#endif
#ifndef OPENSSL_NO_SHA512
case NID_sha384:
SHA384_Init((SHA512_CTX*)md_state.c);
md_final_raw = tls1_sha512_final_raw;
@ -482,6 +498,7 @@ void ssl3_cbc_digest_record(
md_block_size = 128;
md_length_size = 16;
break;
#endif
default:
/* ssl3_cbc_record_digest_supported should have been
* called first to check that the hash function is