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Set PEM buffer to zero before freeing it

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Set PEM buffer to zero before freeing it, to avoid private keys
being leaked to memory after releasing it.
This commit is contained in:
Ron Eldor
2017-09-05 15:34:35 +03:00
parent 72ea31b026
commit 31162e4423
2 changed files with 7 additions and 0 deletions
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library/pem.c
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@ -387,6 +387,7 @@ int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const
void mbedtls_pem_free( mbedtls_pem_context *ctx )
{
memset( ctx->buf, 0, ctx->buflen );
mbedtls_free( ctx->buf );
mbedtls_free( ctx->info );