mbedtls_ssl_tls13_get_sig_alg_from_pk: remove debug prints as they ar…

…e causing issues

This commit needs to be dropped when real reason is found for:

Sign alg from PK: RSA_PSS(SHA256), not supported .................. ==587199==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x4cd774 in mbedtls_debug_print_msg (/home/przemek/mbedtls/tests/test_suite_ssl+0x4cd774)
    Mbed-TLS#1 0x536e76 in mbedtls_ssl_tls13_get_sig_alg_from_pk (/home/przemek/mbedtls/tests/test_suite_ssl+0x536e76)
    Mbed-TLS#2 0x4beeb7 in test_get_sig_alg_from_pk (/home/przemek/mbedtls/tests/test_suite_ssl+0x4beeb7)
    Mbed-TLS#3 0x4bf2dc in test_get_sig_alg_from_pk_wrapper (/home/przemek/mbedtls/tests/test_suite_ssl+0x4bf2dc)
    Mbed-TLS#4 0x4c199f in execute_tests (/home/przemek/mbedtls/tests/test_suite_ssl+0x4c199f)
    Mbed-TLS#5 0x4c2e86 in main (/home/przemek/mbedtls/tests/test_suite_ssl+0x4c2e86)
    Mbed-TLS#6 0x7f4a5c8c60b2 in __libc_start_main /build/glibc-sMfBJT/glibc-2.31/csu/../csu/libc-start.c:308:16
    Mbed-TLS#7 0x41c37d in _start (/home/przemek/mbedtls/tests/test_suite_ssl+0x41c37d)

Signed-off-by: Przemek Stekiel <[email protected]>

library/ssl_tls13_generic.c

@@ -898,10 +898,7 @@ int mbedtls_ssl_tls13_get_sig_alg_from_pk( mbedtls_ssl_context *ssl,
                     }
                     break;
                 default:
-                    MBEDTLS_SSL_DEBUG_MSG( 3,
-                                           ( "unknown key size: %"
-                                             MBEDTLS_PRINTF_SIZET " bits",
-                                             own_key_size ) );
+                    // do nothing
                     break;
             }
             break;
@@ -981,22 +978,19 @@ int mbedtls_ssl_tls13_get_sig_alg_from_pk( mbedtls_ssl_context *ssl,
                 else
 #endif /* MBEDTLS_SHA512_C */
                 {
-                    MBEDTLS_SSL_DEBUG_MSG( 1,
-                        ( "Unable to find matching PKCS1 signature alg" ) );
+                    // do nothing
                 }
             }
             else
             {
-                MBEDTLS_SSL_DEBUG_MSG( 1,
-                    ( "Unable to find matching RSA signature alg" ) );
+                // do nothing
             }
 #endif /* MBEDTLS_PKCS1_V15 */
 
             break;
 #endif /* MBEDTLS_RSA_C */
         default:
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                                   ( "unknown signature type : %u", sig ) );
+            // do nothing
             break;
     }
     return( -1 );