Provide no info from entropy_func() on future entropy
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66ff70dd48
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b13d3ffb80
1 changed files with 9 additions and 9 deletions
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@ -269,24 +269,19 @@ int entropy_func( void *data, unsigned char *output, size_t len )
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#if defined(POLARSSL_ENTROPY_SHA512_ACCUMULATOR)
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#if defined(POLARSSL_ENTROPY_SHA512_ACCUMULATOR)
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sha512_finish( &ctx->accumulator, buf );
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sha512_finish( &ctx->accumulator, buf );
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/*
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* Perform second SHA-512 on entropy
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*/
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sha512( buf, ENTROPY_BLOCK_SIZE, buf, 0 );
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/*
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/*
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* Reset accumulator and counters and recycle existing entropy
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* Reset accumulator and counters and recycle existing entropy
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*/
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*/
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memset( &ctx->accumulator, 0, sizeof( sha512_context ) );
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memset( &ctx->accumulator, 0, sizeof( sha512_context ) );
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sha512_starts( &ctx->accumulator, 0 );
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sha512_starts( &ctx->accumulator, 0 );
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sha512_update( &ctx->accumulator, buf, ENTROPY_BLOCK_SIZE );
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sha512_update( &ctx->accumulator, buf, ENTROPY_BLOCK_SIZE );
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#else /* POLARSSL_ENTROPY_SHA512_ACCUMULATOR */
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sha256_finish( &ctx->accumulator, buf );
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/*
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/*
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* Perform second SHA-256 on entropy
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* Perform second SHA-512 on entropy
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*/
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*/
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sha256( buf, ENTROPY_BLOCK_SIZE, buf, 0 );
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sha512( buf, ENTROPY_BLOCK_SIZE, buf, 0 );
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#else /* POLARSSL_ENTROPY_SHA512_ACCUMULATOR */
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sha256_finish( &ctx->accumulator, buf );
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/*
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/*
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* Reset accumulator and counters and recycle existing entropy
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* Reset accumulator and counters and recycle existing entropy
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@ -294,6 +289,11 @@ int entropy_func( void *data, unsigned char *output, size_t len )
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memset( &ctx->accumulator, 0, sizeof( sha256_context ) );
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memset( &ctx->accumulator, 0, sizeof( sha256_context ) );
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sha256_starts( &ctx->accumulator, 0 );
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sha256_starts( &ctx->accumulator, 0 );
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sha256_update( &ctx->accumulator, buf, ENTROPY_BLOCK_SIZE );
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sha256_update( &ctx->accumulator, buf, ENTROPY_BLOCK_SIZE );
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/*
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* Perform second SHA-256 on entropy
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*/
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sha256( buf, ENTROPY_BLOCK_SIZE, buf, 0 );
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#endif /* POLARSSL_ENTROPY_SHA512_ACCUMULATOR */
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#endif /* POLARSSL_ENTROPY_SHA512_ACCUMULATOR */
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for( i = 0; i < ctx->source_count; i++ )
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for( i = 0; i < ctx->source_count; i++ )
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