diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index ec276fd..6dd6015 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4923,13 +4923,17 @@
         sig_alg = MBEDTLS_GET_UINT16_BE( p, 0 );
         p += 2;
 
-        MBEDTLS_SSL_DEBUG_MSG( 4, ( "received signature algorithm: 0x%x",
-                                    sig_alg ) );
+        MBEDTLS_SSL_DEBUG_MSG( 4, ( "received signature algorithm: 0x%x %s",
+                                    sig_alg,
+                                    mbedtls_ssl_sig_alg_to_str( sig_alg ) ) );
 
         if( ! mbedtls_ssl_sig_alg_is_supported( ssl, sig_alg ) ||
             ! mbedtls_ssl_sig_alg_is_offered( ssl, sig_alg ) )
             continue;
 
+        MBEDTLS_SSL_DEBUG_MSG( 4, ( "valid signature algorithm: %s",
+                                    mbedtls_ssl_sig_alg_to_str( sig_alg ) ) );
+
         if( common_idx + 1 < MBEDTLS_RECEIVED_SIG_ALGS_SIZE )
         {
             ssl->handshake->received_sig_algs[common_idx] = sig_alg;
@@ -8171,7 +8175,9 @@
         MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
         MBEDTLS_PUT_UINT16_BE( *sig_alg, p, 0 );
         p += 2;
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "signature scheme [%x]", *sig_alg ) );
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "signature scheme [%x] %s",
+                                    *sig_alg,
+                                    mbedtls_ssl_sig_alg_to_str( *sig_alg ) ) );
     }
 
     /* Length of supported_signature_algorithms */
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index f0b84de..718e8a9 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -951,6 +951,9 @@
         return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
     }
 
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "CertificateVerify with %s",
+                                mbedtls_ssl_sig_alg_to_str( algorithm )) );
+
     if( mbedtls_ssl_tls13_get_pk_type_and_md_alg_from_sig_alg(
                                         algorithm, &pk_type, &md_alg ) != 0 )
     {