Fix compilation with later versions of Nettle

[onak.git] / keyindex.c

diff --git a/keyindex.c b/keyindex.c
index f6784d70edaf032a8afb2eba868d9967f9777952..eeac56cac47d238c7c3c3e270a7178e535418095 100644 (file)
--- a/keyindex.c
+++ b/keyindex.c
@@ -81,6 +81,7 @@ unsigned int keylength(struct openpgp_packet *keydata)
 {
        unsigned int length;
        uint8_t keyofs;
+       enum onak_oid oid;
 
        switch (keydata->data[0]) {
        case 2:
@@ -97,101 +98,25 @@ unsigned int keylength(struct openpgp_packet *keydata)
                case OPENPGP_PKALGO_ECDSA:
                case OPENPGP_PKALGO_EDDSA:
                        /* Elliptic curve key size is based on OID */
-                       /* Curve25519 / 1.3.6.1.4.1.3029.1.5.1 */
-                       if ((keydata->data[keyofs] == 10) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x06) &&
-                                       (keydata->data[keyofs + 3] == 0x01) &&
-                                       (keydata->data[keyofs + 4] == 0x04) &&
-                                       (keydata->data[keyofs + 5] == 0x01) &&
-                                       (keydata->data[keyofs + 6] == 0x97) &&
-                                       (keydata->data[keyofs + 7] == 0x55) &&
-                                       (keydata->data[keyofs + 8] == 0x01) &&
-                                       (keydata->data[keyofs + 9] == 0x05) &&
-                                       (keydata->data[keyofs + 10] == 0x01)) {
+                       oid = onak_parse_oid(&keydata->data[keyofs],
+                                       keydata->length - keyofs);
+                       if (oid == ONAK_OID_CURVE25519) {
                                length = 255;
-                       /* Ed25519 / 1.3.6.1.4.1.11591.15.1 */
-                       } else if ((keydata->data[keyofs] == 9) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x06) &&
-                                       (keydata->data[keyofs + 3] == 0x01) &&
-                                       (keydata->data[keyofs + 4] == 0x04) &&
-                                       (keydata->data[keyofs + 5] == 0x01) &&
-                                       (keydata->data[keyofs + 6] == 0xDA) &&
-                                       (keydata->data[keyofs + 7] == 0x47) &&
-                                       (keydata->data[keyofs + 8] == 0x0F) &&
-                                       (keydata->data[keyofs + 9] == 0x01)) {
+                       } else if (oid == ONAK_OID_ED25519) {
                                length = 255;
-                       /* nistp256 / 1.2.840.10045.3.1.7 */
-                       } else if ((keydata->data[keyofs] == 8) &&
-                                       (keydata->data[keyofs + 1] == 0x2A) &&
-                                       (keydata->data[keyofs + 2] == 0x86) &&
-                                       (keydata->data[keyofs + 3] == 0x48) &&
-                                       (keydata->data[keyofs + 4] == 0xCE) &&
-                                       (keydata->data[keyofs + 5] == 0x3D) &&
-                                       (keydata->data[keyofs + 6] == 0x03) &&
-                                       (keydata->data[keyofs + 7] == 0x01) &&
-                                       (keydata->data[keyofs + 8] == 0x07)) {
+                       } else if (oid == ONAK_OID_NISTP256) {
                                length = 256;
-                       /* nistp384 / 1.3.132.0.34 */
-                       } else if ((keydata->data[keyofs] == 5) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x81) &&
-                                       (keydata->data[keyofs + 3] == 0x04) &&
-                                       (keydata->data[keyofs + 4] == 0x00) &&
-                                       (keydata->data[keyofs + 5] == 0x22)) {
+                       } else if (oid == ONAK_OID_NISTP384) {
                                length = 384;
-                       /* nistp521 / 1.3.132.0.35 */
-                       } else if ((keydata->data[keyofs] == 5) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x81) &&
-                                       (keydata->data[keyofs + 3] == 0x04) &&
-                                       (keydata->data[keyofs + 4] == 0x00) &&
-                                       (keydata->data[keyofs + 5] == 0x23)) {
+                       } else if (oid == ONAK_OID_NISTP521) {
                                length = 521;
-                       /* brainpoolP256r1 / 1.3.36.3.3.2.8.1.1.7 */
-                       } else if ((keydata->data[keyofs] == 9) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x24) &&
-                                       (keydata->data[keyofs + 3] == 0x03) &&
-                                       (keydata->data[keyofs + 4] == 0x03) &&
-                                       (keydata->data[keyofs + 5] == 0x02) &&
-                                       (keydata->data[keyofs + 6] == 0x08) &&
-                                       (keydata->data[keyofs + 7] == 0x01) &&
-                                       (keydata->data[keyofs + 8] == 0x01) &&
-                                       (keydata->data[keyofs + 9] == 0x07)) {
+                       } else if (oid == ONAK_OID_BRAINPOOLP256R1) {
                                length = 256;
-                       /* brainpoolP384r1 / 1.3.36.3.3.2.8.1.1.11 */
-                       } else if ((keydata->data[keyofs] == 9) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x24) &&
-                                       (keydata->data[keyofs + 3] == 0x03) &&
-                                       (keydata->data[keyofs + 4] == 0x03) &&
-                                       (keydata->data[keyofs + 5] == 0x02) &&
-                                       (keydata->data[keyofs + 6] == 0x08) &&
-                                       (keydata->data[keyofs + 7] == 0x01) &&
-                                       (keydata->data[keyofs + 8] == 0x01) &&
-                                       (keydata->data[keyofs + 9] == 0x0B)) {
+                       } else if (oid == ONAK_OID_BRAINPOOLP384R1) {
                                length = 384;
-                       /* brainpoolP512r1 / 1.3.36.3.3.2.8.1.1.13 */
-                       } else if ((keydata->data[keyofs] == 9) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x24) &&
-                                       (keydata->data[keyofs + 3] == 0x03) &&
-                                       (keydata->data[keyofs + 4] == 0x03) &&
-                                       (keydata->data[keyofs + 5] == 0x02) &&
-                                       (keydata->data[keyofs + 6] == 0x08) &&
-                                       (keydata->data[keyofs + 7] == 0x01) &&
-                                       (keydata->data[keyofs + 8] == 0x01) &&
-                                       (keydata->data[keyofs + 9] == 0x0D)) {
+                       } else if (oid == ONAK_OID_BRAINPOOLP512R1) {
                                length = 512;
-                       /* secp256k1 / 1.3.132.0.10 */
-                       } else if ((keydata->data[keyofs] == 5) &&
-                                       (keydata->data[keyofs + 1] == 0x2B) &&
-                                       (keydata->data[keyofs + 2] == 0x81) &&
-                                       (keydata->data[keyofs + 3] == 0x04) &&
-                                       (keydata->data[keyofs + 4] == 0x00) &&
-                                       (keydata->data[keyofs + 5] == 0x0A)) {
+                       } else if (oid == ONAK_OID_SECP256K1) {
                                length = 256;
                        } else {
                                logthing(LOGTHING_ERROR,