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crypto light refactoring.

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using volatile f/p guaranting assembly will generate call* instruction on memset for secure buffer zeroing. usage in sha1 api as well.
This commit is contained in:
David Carlier 2021-04-18 19:33:38 +01:00 • committed by Ivan
parent c646476ca8
commit 1f93fc902b
5 changed files with 13 additions and 19 deletions
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5
rpcs3/Crypto/sha1.cpp
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@ -29,6 +29,7 @@
*/
#include "sha1.h"
#include "utils.h"
/*
* 32-bit integer manipulation macros (big endian)
@ -313,7 +314,7 @@ void sha1( const unsigned char *input, size_t ilen, unsigned char output[20] )
sha1_update( &ctx, input, ilen );
sha1_finish( &ctx, output );
memset( &ctx, 0, sizeof( sha1_context ) );
mbedtls_zeroize( &ctx, sizeof( sha1_context ) );
}
/*
@ -343,7 +344,7 @@ void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, size_t keyle
sha1_starts( ctx );
sha1_update( ctx, ctx->ipad, 64 );
memset( sum, 0, sizeof( sum ) );
mbedtls_zeroize( sum, sizeof( sum ) );
}
/*