=== modified file 'include/grub/crypto.h'
--- include/grub/crypto.h	2009-12-23 16:33:35 +0000
+++ include/grub/crypto.h	2010-04-06 21:02:23 +0000
@@ -243,10 +243,12 @@
 extern gcry_md_spec_t _gcry_digest_spec_sha1;
 extern gcry_md_spec_t _gcry_digest_spec_sha256;
 extern gcry_md_spec_t _gcry_digest_spec_sha512;
+extern gcry_md_spec_t _gcry_digest_spec_crc32;
 #define GRUB_MD_MD5 ((const gcry_md_spec_t *) &_gcry_digest_spec_md5)
 #define GRUB_MD_SHA1 ((const gcry_md_spec_t *) &_gcry_digest_spec_sha1)
 #define GRUB_MD_SHA256 ((const gcry_md_spec_t *) &_gcry_digest_spec_sha256)
 #define GRUB_MD_SHA512 ((const gcry_md_spec_t *) &_gcry_digest_spec_sha512)
+#define GRUB_MD_CRC32 ((const gcry_md_spec_t *) &_gcry_digest_spec_crc32)
 
 /* Implement PKCS#5 PBKDF2 as per RFC 2898.  The PRF to use is HMAC variant
    of digest supplied by MD.  Inputs are the password P of length PLEN,