- int offset = 0;
- int length = 0;
- int packetlen = 0;
- char *uid;
-
- assert(data != NULL);
-
- length = (data[0] << 8) + data[1] + 2;
-
- offset = 2;
- while (offset < length) {
- packetlen = data[offset++];
- if (packetlen > 191 && packetlen < 255) {
- packetlen = ((packetlen - 192) << 8) +
- data[offset++] + 192;
- } else if (packetlen == 255) {
- packetlen = data[offset++];
- packetlen <<= 8;
- packetlen = data[offset++];
- packetlen <<= 8;
- packetlen = data[offset++];
- packetlen <<= 8;
- packetlen = data[offset++];
- }
- switch (data[offset]) {
- case 2:
- /*
- * Signature creation time. Might want to output this?
- */
- break;
- case 16:
- uid = keyid2uid(
- ((uint64_t) data[offset+packetlen - 8] << 56) +
- ((uint64_t) data[offset+packetlen - 7] << 48) +
- ((uint64_t) data[offset+packetlen - 6] << 40) +
- ((uint64_t) data[offset+packetlen - 5] << 32) +
- ((uint64_t) data[offset+packetlen - 4] << 24) +
- ((uint64_t) data[offset+packetlen - 3] << 16) +
- ((uint64_t) data[offset+packetlen - 2] << 8) +
- data[offset+packetlen - 1]);
- if (html && uid != NULL) {
- printf("sig <a href=\"lookup?op=get&"
- "search=%02X%02X%02X%02X\">"
- "%02X%02X%02X%02X</a> "
- "<a href=\"lookup?op=vindex&"
- "search=0x%02X%02X%02X%02X\">"
- "%s</a>\n",
- data[offset+packetlen - 4],
- data[offset+packetlen - 3],
- data[offset+packetlen - 2],
- data[offset+packetlen - 1],
- data[offset+packetlen - 4],
- data[offset+packetlen - 3],
- data[offset+packetlen - 2],
- data[offset+packetlen - 1],
-
- data[offset+packetlen - 4],
- data[offset+packetlen - 3],
- data[offset+packetlen - 2],
- data[offset+packetlen - 1],
- txt2html(uid));
- } else if (html && uid == NULL) {
- printf("sig "
- "%02X%02X%02X%02X "
- "[User id not found]\n",
- data[offset+packetlen - 4],
- data[offset+packetlen - 3],
- data[offset+packetlen - 2],
- data[offset+packetlen - 1]);
+ char typech;
+
+ switch (algo) {
+ case OPENPGP_PKALGO_DSA:
+ typech = 'D';
+ break;
+ case OPENPGP_PKALGO_ECDSA:
+ case OPENPGP_PKALGO_EDDSA:
+ typech = 'E';
+ break;
+ case OPENPGP_PKALGO_EC:
+ typech = 'e';
+ break;
+ case OPENPGP_PKALGO_ELGAMAL_SIGN:
+ typech = 'G';
+ break;
+ case OPENPGP_PKALGO_ELGAMAL_ENC:
+ typech = 'g';
+ break;
+ case OPENPGP_PKALGO_RSA:
+ typech = 'R';
+ break;
+ case OPENPGP_PKALGO_RSA_ENC:
+ typech = 'r';
+ break;
+ case OPENPGP_PKALGO_RSA_SIGN:
+ typech = 's';
+ break;
+ default:
+ typech = '?';
+ break;
+ }
+
+ return typech;
+}
+
+/*
+ * Given a public key/subkey packet return the key length.
+ */
+unsigned int keylength(struct openpgp_packet *keydata)
+{
+ unsigned int length;
+
+ switch (keydata->data[0]) {
+ case 2:
+ case 3:
+ length = (keydata->data[8] << 8) +
+ keydata->data[9];
+ break;
+ case 4:
+ switch (keydata->data[5]) {
+ case OPENPGP_PKALGO_EC:
+ 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[6] == 10) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x06) &&
+ (keydata->data[9] == 0x01) &&
+ (keydata->data[10] == 0x04) &&
+ (keydata->data[11] == 0x01) &&
+ (keydata->data[12] == 0x97) &&
+ (keydata->data[13] == 0x55) &&
+ (keydata->data[14] == 0x01) &&
+ (keydata->data[15] == 0x05) &&
+ (keydata->data[16] == 0x01)) {
+ length = 255;
+ /* Ed25519 / 1.3.6.1.4.1.11591.15.1 */
+ } else if ((keydata->data[6] == 9) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x06) &&
+ (keydata->data[9] == 0x01) &&
+ (keydata->data[10] == 0x04) &&
+ (keydata->data[11] == 0x01) &&
+ (keydata->data[12] == 0xDA) &&
+ (keydata->data[13] == 0x47) &&
+ (keydata->data[14] == 0x0F) &&
+ (keydata->data[15] == 0x01)) {
+ length = 255;
+ /* nistp256 / 1.2.840.10045.3.1.7 */
+ } else if ((keydata->data[6] == 8) &&
+ (keydata->data[7] == 0x2A) &&
+ (keydata->data[8] == 0x86) &&
+ (keydata->data[9] == 0x48) &&
+ (keydata->data[10] == 0xCE) &&
+ (keydata->data[11] == 0x3D) &&
+ (keydata->data[12] == 0x03) &&
+ (keydata->data[13] == 0x01) &&
+ (keydata->data[14] == 0x07)) {
+ length = 256;
+ /* nistp384 / 1.3.132.0.34 */
+ } else if ((keydata->data[6] == 5) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x81) &&
+ (keydata->data[9] == 0x04) &&
+ (keydata->data[10] == 0x00) &&
+ (keydata->data[11] == 0x22)) {
+ length = 384;
+ /* nistp521 / 1.3.132.0.35 */
+ } else if ((keydata->data[6] == 5) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x81) &&
+ (keydata->data[9] == 0x04) &&
+ (keydata->data[10] == 0x00) &&
+ (keydata->data[11] == 0x23)) {
+ length = 521;
+ /* brainpoolP256r1 / 1.3.36.3.3.2.8.1.1.7 */
+ } else if ((keydata->data[6] == 9) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x24) &&
+ (keydata->data[9] == 0x03) &&
+ (keydata->data[10] == 0x03) &&
+ (keydata->data[11] == 0x02) &&
+ (keydata->data[12] == 0x08) &&
+ (keydata->data[13] == 0x01) &&
+ (keydata->data[14] == 0x01) &&
+ (keydata->data[15] == 0x07)) {
+ length = 256;
+ /* brainpoolP384r1 / 1.3.36.3.3.2.8.1.1.11 */
+ } else if ((keydata->data[6] == 9) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x24) &&
+ (keydata->data[9] == 0x03) &&
+ (keydata->data[10] == 0x03) &&
+ (keydata->data[11] == 0x02) &&
+ (keydata->data[12] == 0x08) &&
+ (keydata->data[13] == 0x01) &&
+ (keydata->data[14] == 0x01) &&
+ (keydata->data[15] == 0x0B)) {
+ length = 384;
+ /* brainpoolP512r1 / 1.3.36.3.3.2.8.1.1.13 */
+ } else if ((keydata->data[6] == 9) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x24) &&
+ (keydata->data[9] == 0x03) &&
+ (keydata->data[10] == 0x03) &&
+ (keydata->data[11] == 0x02) &&
+ (keydata->data[12] == 0x08) &&
+ (keydata->data[13] == 0x01) &&
+ (keydata->data[14] == 0x01) &&
+ (keydata->data[15] == 0x0D)) {
+ length = 512;
+ /* secp256k1 / 1.3.132.0.10 */
+ } else if ((keydata->data[6] == 5) &&
+ (keydata->data[7] == 0x2B) &&
+ (keydata->data[8] == 0x81) &&
+ (keydata->data[9] == 0x04) &&
+ (keydata->data[10] == 0x00) &&
+ (keydata->data[11] == 0x0A)) {
+ length = 256;