commit 5ee4cc031c590df8fb4e5c36c2652af9d9d80e34
author Thomas Daubney <thomas.daubney@arm.com> Wed May 19 12:07:42 2021 +0100
committer Thomas Daubney <thomas.daubney@arm.com> Wed May 19 12:07:42 2021 +0100
tree 596aef7e74f1ff61c06a16658974d3931d52518f
parent 718a53db2c5bf4d615ce8e73aed3ba68fb1a8b9e

Removes mode param from mbedtls_rsa_rsassa_pss_verify

Commit removes the mode parameter
from the mbedtls_rsa_rsassa_pss_verify
function and propagates the change
throughout the process.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>

library/rsa.c

diff --git a/library/rsa.c b/library/rsa.c
index 99a56b7..d3b4bf0 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -2297,7 +2297,6 @@
  * Simplified PKCS#1 v2.1 RSASSA-PSS-VERIFY function
  */
 int mbedtls_rsa_rsassa_pss_verify( mbedtls_rsa_context *ctx,
-                           int mode,
                            mbedtls_md_type_t md_alg,
                            unsigned int hashlen,
                            const unsigned char *hash,
@@ -2305,8 +2304,6 @@
 {
     mbedtls_md_type_t mgf1_hash_id;
     RSA_VALIDATE_RET( ctx != NULL );
-    RSA_VALIDATE_RET( mode == MBEDTLS_RSA_PRIVATE ||
-                      mode == MBEDTLS_RSA_PUBLIC );
     RSA_VALIDATE_RET( sig != NULL );
     RSA_VALIDATE_RET( ( md_alg  == MBEDTLS_MD_NONE &&
                         hashlen == 0 ) ||
@@ -2316,10 +2313,12 @@
                              ? (mbedtls_md_type_t) ctx->hash_id
                              : md_alg;
 
-    return( mbedtls_rsa_rsassa_pss_verify_ext( ctx, NULL, NULL, mode,
-                                       md_alg, hashlen, hash,
-                                       mgf1_hash_id, MBEDTLS_RSA_SALT_LEN_ANY,
-                                       sig ) );
+    return( mbedtls_rsa_rsassa_pss_verify_ext( ctx, NULL, NULL,
+                                               MBEDTLS_RSA_PUBLIC,
+                                               md_alg, hashlen, hash,
+                                               mgf1_hash_id,
+                                               MBEDTLS_RSA_SALT_LEN_ANY,
+                                               sig ) );
 
 }
 #endif /* MBEDTLS_PKCS1_V21 */
@@ -2423,8 +2422,8 @@
 
 #if defined(MBEDTLS_PKCS1_V21)
         case MBEDTLS_RSA_PKCS_V21:
-            return mbedtls_rsa_rsassa_pss_verify( ctx, MBEDTLS_RSA_PUBLIC, md_alg,
-                                          hashlen, hash, sig );
+            return mbedtls_rsa_rsassa_pss_verify( ctx, md_alg,
+                                                  hashlen, hash, sig );
 #endif
 
         default: