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Adress Hannos's comments

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Remove zeroizing buffer, as it was done already in PR #369
Check that buffer is not null by `!= NULL` statement
This commit is contained in:
Ron Eldor 2017-09-06 17:09:41 +03:00
parent 9d84b4c102
commit 65112b15e6
1 changed files with 1 additions and 7 deletions
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8
library/pem.c
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@ -331,9 +331,7 @@ int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const
if( ( ret = mbedtls_base64_decode( buf, len, &len, s1, s2 - s1 ) ) != 0 )
{
mbedtls_zeroize( buf, len );
mbedtls_free( buf );
buf = NULL;
return( MBEDTLS_ERR_PEM_INVALID_DATA + ret );
}
@ -343,9 +341,7 @@ int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const
( defined(MBEDTLS_DES_C) || defined(MBEDTLS_AES_C) )
if( pwd == NULL )
{
mbedtls_zeroize( buf, len );
mbedtls_free( buf );
buf = NULL;
return( MBEDTLS_ERR_PEM_PASSWORD_REQUIRED );
}
@ -373,9 +369,7 @@ int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const
*/
if( len <= 2 || buf[0] != 0x30 || buf[1] > 0x83 )
{
mbedtls_zeroize( buf, len );
mbedtls_free( buf );
buf = NULL;
return( MBEDTLS_ERR_PEM_PASSWORD_MISMATCH );
}
#else
@ -393,7 +387,7 @@ int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const
void mbedtls_pem_free( mbedtls_pem_context *ctx )
{
if( ctx->buf )
if( ctx->buf != NULL )
mbedtls_zeroize( ctx->buf, ctx->buflen );
mbedtls_free( ctx->buf );
mbedtls_free( ctx->info );