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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 Andres AG
parent f6d2b6fb19
commit 4556d205a3
1 changed files with 20 additions and 4 deletions
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24
library/rsa.c
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@ -549,7 +549,11 @@ int rsa_rsaes_oaep_encrypt( rsa_context *ctx,
memcpy( p, input, ilen );
md_init( &md_ctx );
md_init_ctx( &md_ctx, md_info );
if( ( ret = md_init_ctx( &md_ctx, md_info ) ) != 0 )
{
md_free( &md_ctx );
return( ret );
}
// maskedDB: Apply dbMask to DB
//
@ -730,7 +734,11 @@ int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
md_init( &md_ctx );
md_init_ctx( &md_ctx, md_info );
if( ( ret = md_init_ctx( &md_ctx, md_info ) ) != 0 )
{
md_free( &md_ctx );
return( ret );
}
/* Generate lHash */
md( md_info, label, label_len, lhash );
@ -976,7 +984,11 @@ int rsa_rsassa_pss_sign( rsa_context *ctx,
p += slen;
md_init( &md_ctx );
md_init_ctx( &md_ctx, md_info );
if( ( ret = md_init_ctx( &md_ctx, md_info ) ) != 0 )
{
md_free( &md_ctx );
return( ret );
}
// Generate H = Hash( M' )
//
@ -1249,7 +1261,11 @@ int rsa_rsassa_pss_verify_ext( rsa_context *ctx,
return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
md_init( &md_ctx );
md_init_ctx( &md_ctx, md_info );
if( ( ret = md_init_ctx( &md_ctx, md_info ) ) != 0 )
{
md_free( &md_ctx );
return( ret );
}
mgf_mask( p, siglen - hlen - 1, p + siglen - hlen - 1, hlen, &md_ctx );