+#define OPENPGP_PKALGO_DH 21
+
+#define OPENPGP_SYMALGO_PLAIN 0
+#define OPENPGP_SYMALGO_IDEA 1
+#define OPENPGP_SYMALGO_3DES 2
+#define OPENPGP_SYMALGO_CAST5 3
+#define OPENPGP_SYMALGO_BLOWFISH 4
+#define OPENPGP_SYMALGO_SAFER_SK128 5 /* In RFC2440, not in RFC4880 */
+#define OPENPGP_SYMALGO_DES_SK 6 /* In RFC2440, not in RFC4880 */
+#define OPENPGP_SYMALGO_AES128 7
+#define OPENPGP_SYMALGO_AES192 8
+#define OPENPGP_SYMALGO_AES256 9
+#define OPENPGP_SYMALGO_TWOFISH 10
+#define OPENPGP_SYMALGO_CAMELLIA128 11 /* From GnuPG */
+#define OPENPGP_SYMALGO_CAMELLIA192 12 /* From GnuPG */
+#define OPENPGP_SYMALGO_CAMELLIA256 13 /* From GnuPG */