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Fixed unchecked calls to mbedtls_md_setup in rsa.c (#502)

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* Fixed unchecked calls to mbedtls_md_setup in rsa.c:

* style fixes
This commit is contained in:
Brian J Murray 2016-06-23 12:57:03 -07:00 committed by Simon Butcher
parent 71ebc58932
commit e7be5bdb96
1 changed files with 21 additions and 4 deletions
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25
library/rsa.c
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@ -558,7 +558,11 @@ int mbedtls_rsa_rsaes_oaep_encrypt( mbedtls_rsa_context *ctx,
memcpy( p, input, ilen ); memcpy( p, input, ilen );
mbedtls_md_init( &md_ctx ); mbedtls_md_init( &md_ctx );
mbedtls_md_setup( &md_ctx, md_info, 0 ); if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 0 ) ) != 0 )
{
mbedtls_md_free( &md_ctx );
return( ret );
}
// maskedDB: Apply dbMask to DB // maskedDB: Apply dbMask to DB
// //
@ -728,7 +732,12 @@ int mbedtls_rsa_rsaes_oaep_decrypt( mbedtls_rsa_context *ctx,
hlen = mbedtls_md_get_size( md_info ); hlen = mbedtls_md_get_size( md_info );
mbedtls_md_init( &md_ctx ); mbedtls_md_init( &md_ctx );
mbedtls_md_setup( &md_ctx, md_info, 0 ); if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 0 ) ) != 0 )
{
mbedtls_md_free( &md_ctx );
return( ret );
}
/* Generate lHash */ /* Generate lHash */
mbedtls_md( md_info, label, label_len, lhash ); mbedtls_md( md_info, label, label_len, lhash );
@ -972,7 +981,11 @@ int mbedtls_rsa_rsassa_pss_sign( mbedtls_rsa_context *ctx,
p += slen; p += slen;
mbedtls_md_init( &md_ctx ); mbedtls_md_init( &md_ctx );
mbedtls_md_setup( &md_ctx, md_info, 0 ); if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 0 ) ) != 0 )
{
mbedtls_md_free( &md_ctx );
return( ret );
}
// Generate H = Hash( M' ) // Generate H = Hash( M' )
// //
@ -1245,7 +1258,11 @@ int mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_rsa_context *ctx,
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA ); return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
mbedtls_md_init( &md_ctx ); mbedtls_md_init( &md_ctx );
mbedtls_md_setup( &md_ctx, md_info, 0 ); if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 0 ) ) != 0 )
{
mbedtls_md_free( &md_ctx );
return( ret );
}
mgf_mask( p, siglen - hlen - 1, p + siglen - hlen - 1, hlen, &md_ctx ); mgf_mask( p, siglen - hlen - 1, p + siglen - hlen - 1, hlen, &md_ctx );