--- evolution-2.25.91/composer/e-msg-composer.c	2009-02-13 08:39:37.000000000 +0100
+++ evolution-2.25.91/composer/e-msg-composer.c	2009-02-27 11:14:51.000000000 +0100
@@ -806,7 +806,7 @@
 			CamelMimePart *npart = camel_mime_part_new ();
 
 			cipher = mail_crypto_get_pgp_cipher_context (account);
-			camel_cipher_sign (cipher, pgp_userid, CAMEL_CIPHER_HASH_SHA1, part, npart, &ex);
+			camel_cipher_sign (cipher, pgp_userid, CAMEL_CIPHER_HASH_DEFAULT, part, npart, &ex);
 			camel_object_unref (cipher);
 
 			if (camel_exception_is_set (&ex)) {
