update: use gcrypt enums, they are mapped to the spec already

src/misc/update.h

@@ -40,18 +40,6 @@
 #include <vlc_update.h>
 #include <vlc_atomic.h>
 
-enum    /* Public key algorithms */
-{
-    /* we will only use DSA public keys */
-    PUBLIC_KEY_ALGO_DSA = 0x11
-};
-
-enum    /* Digest algorithms */
-{
-    /* and DSA use SHA-1 digest */
-    DIGEST_ALGO_SHA1    = 0x02
-};
-
 enum    /* Packet types */
 {
     SIGNATURE_PACKET    = 0x02,
@@ -237,4 +225,3 @@ hash_sha1_from_file(
  */
 uint8_t *
 hash_sha1_from_public_key( public_key_t *p_pkey );
-

src/misc/update_crypto.c

@@ -105,7 +105,7 @@ static int parse_public_key_packet( public_key_packet_t *p_key,
     memcpy( p_key->timestamp, p_buf, 4 ); p_buf += 4; i_read += 4;
 
     p_key->algo      = *p_buf++; i_read++;
-    if( p_key->algo != PUBLIC_KEY_ALGO_DSA )
+    if( p_key->algo != GCRY_PK_DSA )
         return VLC_EGENERIC;
 
     READ_MPI(p_key->p, 1024);
@@ -282,10 +282,10 @@ static int parse_signature_packet( signature_packet_t *p_sig,
     if( i_read == 0 ) /* signature packet parsing has failed */
         goto error;
 
-    if( p_sig->public_key_algo != PUBLIC_KEY_ALGO_DSA )
+    if( p_sig->public_key_algo != GCRY_PK_DSA )
         goto error;
 
-    if( p_sig->digest_algo != DIGEST_ALGO_SHA1 )
+    if( p_sig->digest_algo != GCRY_MD_SHA1 )
         goto error;
 
     switch( p_sig->type )