- #include <stdint.h>
- #include <string.h>
-
- #include "params.h"
- #include "xmss_core.h"
-
- int xmss_str_to_oid(uint32_t *oid, const char *s)
- {
- if (!strcmp(s, "XMSS-SHA2_10_256")) {
- *oid = 0x00000001;
- }
- else if (!strcmp(s, "XMSS-SHA2_16_256")) {
- *oid = 0x00000002;
- }
- else if (!strcmp(s, "XMSS-SHA2_20_256")) {
- *oid = 0x00000003;
- }
- else if (!strcmp(s, "XMSS-SHA2_10_512")) {
- *oid = 0x00000004;
- }
- else if (!strcmp(s, "XMSS-SHA2_16_512")) {
- *oid = 0x00000005;
- }
- else if (!strcmp(s, "XMSS-SHA2_20_512")) {
- *oid = 0x00000006;
- }
- else if (!strcmp(s, "XMSS-SHAKE_10_256")) {
- *oid = 0x00000007;
- }
- else if (!strcmp(s, "XMSS-SHAKE_16_256")) {
- *oid = 0x00000008;
- }
- else if (!strcmp(s, "XMSS-SHAKE_20_256")) {
- *oid = 0x00000009;
- }
- else if (!strcmp(s, "XMSS-SHAKE_10_512")) {
- *oid = 0x0000000a;
- }
- else if (!strcmp(s, "XMSS-SHAKE_16_512")) {
- *oid = 0x0000000b;
- }
- else if (!strcmp(s, "XMSS-SHAKE_20_512")) {
- *oid = 0x0000000c;
- }
- else {
- return -1;
- }
- return 0;
- }
-
- int xmssmt_str_to_oid(uint32_t *oid, const char *s)
- {
- if (!strcmp(s, "XMSSMT-SHA2_20/2_256")) {
- *oid = 0x00000001;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_20/4_256")) {
- *oid = 0x00000002;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_40/2_256")) {
- *oid = 0x00000003;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_40/4_256")) {
- *oid = 0x00000004;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_40/8_256")) {
- *oid = 0x00000005;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_60/3_256")) {
- *oid = 0x00000006;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_60/6_256")) {
- *oid = 0x00000007;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_60/12_256")) {
- *oid = 0x00000008;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_20/2_512")) {
- *oid = 0x00000009;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_20/4_512")) {
- *oid = 0x0000000a;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_40/2_512")) {
- *oid = 0x0000000b;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_40/4_512")) {
- *oid = 0x0000000c;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_40/8_512")) {
- *oid = 0x0000000d;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_60/3_512")) {
- *oid = 0x0000000e;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_60/6_512")) {
- *oid = 0x0000000f;
- }
- else if (!strcmp(s, "XMSSMT-SHA2_60/12_512")) {
- *oid = 0x00000010;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_20/2_256")) {
- *oid = 0x00000011;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_20/4_256")) {
- *oid = 0x00000012;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_40/2_256")) {
- *oid = 0x00000013;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_40/4_256")) {
- *oid = 0x00000014;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_40/8_256")) {
- *oid = 0x00000015;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_60/3_256")) {
- *oid = 0x00000016;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_60/6_256")) {
- *oid = 0x00000017;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_60/12_256")) {
- *oid = 0x00000018;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_20/2_512")) {
- *oid = 0x00000019;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_20/4_512")) {
- *oid = 0x0000001a;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_40/2_512")) {
- *oid = 0x0000001b;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_40/4_512")) {
- *oid = 0x0000001c;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_40/8_512")) {
- *oid = 0x0000001d;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_60/3_512")) {
- *oid = 0x0000001e;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_60/6_512")) {
- *oid = 0x0000001f;
- }
- else if (!strcmp(s, "XMSSMT-SHAKE_60/12_512")) {
- *oid = 0x00000020;
- }
- else {
- return -1;
- }
- return 0;
- }
-
- int xmss_parse_oid(xmss_params *params, const uint32_t oid)
- {
- switch (oid) {
- case 0x00000001:
- case 0x00000002:
- case 0x00000003:
- case 0x00000004:
- case 0x00000005:
- case 0x00000006:
- params->func = XMSS_SHA2;
- break;
-
- case 0x00000007:
- case 0x00000008:
- case 0x00000009:
- case 0x0000000a:
- case 0x0000000b:
- case 0x0000000c:
- params->func = XMSS_SHAKE;
- break;
-
- default:
- return -1;
- }
- switch (oid) {
- case 0x00000001:
- case 0x00000002:
- case 0x00000003:
-
- case 0x00000007:
- case 0x00000008:
- case 0x00000009:
- params->n = 32;
- break;
-
- case 0x00000004:
- case 0x00000005:
- case 0x00000006:
-
- case 0x0000000a:
- case 0x0000000b:
- case 0x0000000c:
- params->n = 64;
- break;
-
- default:
- return -1;
- }
- switch (oid) {
- case 0x00000001:
- case 0x00000004:
- case 0x00000007:
- case 0x0000000a:
- params->full_height = 10;
- break;
-
- case 0x00000002:
- case 0x00000005:
- case 0x00000008:
- case 0x0000000b:
- params->full_height = 16;
- break;
-
- case 0x00000003:
- case 0x00000006:
- case 0x00000009:
- case 0x0000000c:
- params->full_height = 20;
-
- break;
- default:
- return -1;
- }
- params->d = 1;
- params->tree_height = params->full_height / params->d;
- params->wots_w = 16;
- params->wots_log_w = 4;
- params->wots_len1 = 8 * params->n / params->wots_log_w;
- /* len_2 = floor(log(len_1 * (w - 1)) / log(w)) + 1 */
- params->wots_len2 = 3;
- params->wots_len = params->wots_len1 + params->wots_len2;
- params->wots_sig_bytes = params->wots_len * params->n;
- params->index_bytes = 4;
- params->sig_bytes = (params->index_bytes + params->n
- + params->d * params->wots_sig_bytes
- + params->full_height * params->n);
-
- // TODO figure out sensible and legal values for this based on the above
- params->bds_k = 0;
-
- params->pk_bytes = 2 * params->n;
- params->sk_bytes = xmss_core_sk_bytes(params);
- return 0;
- }
-
- int xmssmt_parse_oid(xmss_params *params, const uint32_t oid)
- {
- switch (oid) {
- case 0x00000001:
- case 0x00000002:
- case 0x00000003:
- case 0x00000004:
- case 0x00000005:
- case 0x00000006:
- case 0x00000007:
- case 0x00000008:
- case 0x00000009:
- case 0x0000000a:
- case 0x0000000b:
- case 0x0000000c:
- case 0x0000000d:
- case 0x0000000e:
- case 0x0000000f:
- case 0x00000010:
- params->func = XMSS_SHA2;
- break;
-
- case 0x00000011:
- case 0x00000012:
- case 0x00000013:
- case 0x00000014:
- case 0x00000015:
- case 0x00000016:
- case 0x00000017:
- case 0x00000018:
- case 0x00000019:
- case 0x0000001a:
- case 0x0000001b:
- case 0x0000001c:
- case 0x0000001e:
- case 0x0000001d:
- case 0x0000001f:
- case 0x00000020:
- params->func = XMSS_SHAKE;
- break;
-
- default:
- return -1;
- }
- switch (oid) {
- case 0x00000001:
- case 0x00000002:
- case 0x00000003:
- case 0x00000004:
- case 0x00000005:
- case 0x00000006:
- case 0x00000007:
- case 0x00000008:
-
- case 0x00000011:
- case 0x00000012:
- case 0x00000013:
- case 0x00000014:
- case 0x00000015:
- case 0x00000016:
- case 0x00000017:
- case 0x00000018:
- params->n = 32;
- break;
-
- case 0x00000009:
- case 0x0000000a:
- case 0x0000000b:
- case 0x0000000c:
- case 0x0000000d:
- case 0x0000000e:
- case 0x0000000f:
- case 0x00000010:
-
- case 0x00000019:
- case 0x0000001a:
- case 0x0000001b:
- case 0x0000001c:
- case 0x0000001d:
- case 0x0000001e:
- case 0x0000001f:
- case 0x00000020:
- params->n = 64;
- break;
-
- default:
- return -1;
- }
- switch (oid) {
- case 0x00000001:
- case 0x00000002:
-
- case 0x00000009:
- case 0x0000000a:
-
- case 0x00000011:
- case 0x00000012:
-
- case 0x00000019:
- case 0x0000001a:
- params->full_height = 20;
- break;
-
- case 0x00000003:
- case 0x00000004:
- case 0x00000005:
-
- case 0x0000000b:
- case 0x0000000c:
- case 0x0000000d:
-
- case 0x00000013:
- case 0x00000014:
- case 0x00000015:
-
- case 0x0000001b:
- case 0x0000001c:
- case 0x0000001d:
- params->full_height = 40;
- break;
-
- case 0x00000006:
- case 0x00000007:
- case 0x00000008:
-
- case 0x0000000e:
- case 0x0000000f:
- case 0x00000010:
-
- case 0x00000016:
- case 0x00000017:
- case 0x00000018:
-
- case 0x0000001e:
- case 0x0000001f:
- case 0x00000020:
- params->full_height = 60;
- break;
-
- default:
- return -1;
- }
- switch (oid) {
- case 0x00000001:
- case 0x00000003:
- case 0x00000009:
- case 0x0000000b:
- case 0x00000011:
- case 0x00000013:
- case 0x00000019:
- case 0x0000001b:
- params->d = 2;
- break;
-
- case 0x00000002:
- case 0x00000004:
- case 0x0000000a:
- case 0x0000000c:
- case 0x00000012:
- case 0x00000014:
- case 0x0000001a:
- case 0x0000001c:
- params->d = 4;
- break;
-
- case 0x00000005:
- case 0x0000000d:
- case 0x00000015:
- case 0x0000001d:
- params->d = 8;
- break;
-
- case 0x00000006:
- case 0x0000000e:
- case 0x00000016:
- case 0x0000001e:
- params->d = 3;
- break;
-
- case 0x00000007:
- case 0x0000000f:
- case 0x00000017:
- case 0x0000001f:
- params->d = 6;
- break;
-
- case 0x00000008:
- case 0x00000010:
- case 0x00000018:
- case 0x00000020:
- params->d = 12;
- break;
-
- default:
- return -1;
- }
-
- params->tree_height = params->full_height / params->d;
- params->wots_w = 16;
- params->wots_log_w = 4;
- params->wots_len1 = 8 * params->n / params->wots_log_w;
- /* len_2 = floor(log(len_1 * (w - 1)) / log(w)) + 1 */
- params->wots_len2 = 3;
- params->wots_len = params->wots_len1 + params->wots_len2;
- params->wots_sig_bytes = params->wots_len * params->n;
- /* Round index_bytes up to nearest byte. */
- params->index_bytes = (params->full_height + 7) / 8;
- params->sig_bytes = (params->index_bytes + params->n
- + params->d * params->wots_sig_bytes
- + params->full_height * params->n);
-
- // TODO figure out sensible and legal values for this based on the above
- params->bds_k = 0;
-
- params->pk_bytes = 2 * params->n;
- params->sk_bytes = xmssmt_core_sk_bytes(params);
- return 0;
- }
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