yuzu-emu/mbedtls
1
0
Fork 0
mirror of https://github.com/yuzu-emu/mbedtls.git synced 2024-11-22 10:55:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

HMAC_DRBG: clean stack buffers

Browse Source 
Wipe stack buffers that may contain sensitive data (data that
contributes to the DRBG state.
This commit is contained in:
Gilles Peskine 2018-09-11 15:35:41 +02:00
parent d9aa84dc0d
commit afa803775a
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
library/hmac_drbg.c
View File

@ -89,6 +89,8 @@ void mbedtls_hmac_drbg_update( mbedtls_hmac_drbg_context *ctx,
mbedtls_md_hmac_update( &ctx->md_ctx, ctx->V, md_len );
mbedtls_md_hmac_finish( &ctx->md_ctx, ctx->V );
}
mbedtls_platform_zeroize( K, sizeof( K ) );
}
/*
@ -154,6 +156,7 @@ int mbedtls_hmac_drbg_reseed( mbedtls_hmac_drbg_context *ctx,
ctx->reseed_counter = 1;
/* 4. Done */
mbedtls_platform_zeroize( seed, seedlen );
return( 0 );
}