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sha512.c: fullfull implicit API contract in SHA512_Transform.

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SHA512_Transform was initially added rather as tribute to tradition
than for practucal reasons. But use was recently found in ssl/s3_cbc.c
and it turned to be problematic on platforms that don't tolerate
misasligned references to memory and lack assembly subroutine.
This commit is contained in:
Andy Polyakov 2013-12-18 21:27:35 +01:00
parent 128e1d101b
commit cdd1acd788
1 changed files with 8 additions and 1 deletions
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9
crypto/sha/sha512.c
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@ -234,7 +234,14 @@ int SHA384_Update (SHA512_CTX *c, const void *data, size_t len)
{ return SHA512_Update (c,data,len); } { return SHA512_Update (c,data,len); }
void SHA512_Transform (SHA512_CTX *c, const unsigned char *data) void SHA512_Transform (SHA512_CTX *c, const unsigned char *data)
{ sha512_block_data_order (c,data,1); } {
#ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
if ((size_t)data%sizeof(c->u.d[0]) != 0)
memcpy(c->u.p,data,sizeof(c->u.p)),
data = c->u.p;
#endif
sha512_block_data_order (c,data,1);
}
unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md) unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md)
{ {