abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-05-07 00:46:17 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add sm3_xmss command

Browse Source
This commit is contained in:
Zhi Guan
2023-12-28 10:19:53 +08:00
parent 39e2f9f657
commit 43396395d6
3 changed files with 185 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/sm3_xmss.c
View File

@@ -479,11 +479,9 @@ void sm3_xmss_sig_to_root(const hash256_bytes_t wots_sig[67], int index, const h
int sm3_xmss_height_from_oid(uint32_t *height, uint32_t id)
{
switch (id) {
/*
case XMSS_SM3_10: *height = 10; break;
case XMSS_SM3_16: *height = 16; break;
case XMSS_SM3_20: *height = 20; break;
*/
case XMSS_SHA256_10: *height = 10; break;
case XMSS_SHA256_16: *height = 16; break;
case XMSS_SHA256_20: *height = 20; break;
@@ -553,6 +551,11 @@ int sm3_xmss_key_to_bytes(const SM3_XMSS_KEY *key, uint8_t *out, size_t *outlen)
size_t tree_size;
uint8_t *p;
if (!outlen) {
error_print();
return -1;
}
if (sm3_xmss_height_from_oid(&height, key->oid) != 1) {
error_print();
return -1;
@@ -563,6 +566,11 @@ int sm3_xmss_key_to_bytes(const SM3_XMSS_KEY *key, uint8_t *out, size_t *outlen)
return -1;
}
if (!out) {
*outlen = 4 + 32*4 + 4 + tree_size;
return 1;
}
p = out;
uint32_to_bytes(key->oid, p); p += 4;
memcpy(p, key->seed, 32); p += 32;
@@ -594,7 +602,7 @@ int sm3_xmss_key_from_bytes(SM3_XMSS_KEY *key, const uint8_t *in, size_t inlen)
return -1;
}
tree_size = 32 * ((1 << (height + 1)) - 1);
if (inlen != (4 + 32 * 4 + 4 + 32 * tree_size)) {
if (inlen != (4 + 32 * 4 + 4 + tree_size)) {
error_print();
return -1;
}
@@ -622,11 +630,21 @@ int sm3_xmss_public_key_to_bytes(const SM3_XMSS_KEY *key, uint8_t *out, size_t *
uint32_t height;
uint8_t *p;
if (!outlen) {
error_print();
return -1;
}
if (sm3_xmss_height_from_oid(&height, key->oid) != 1) {
error_print();
return -1;
}
if (!out) {
*outlen = 4 + 32 + 32;
return 1;
}
p = out;
uint32_to_bytes(key->oid, p); p += 4;
memcpy(p, key->seed, 32); p += 32;
@@ -636,6 +654,7 @@ int sm3_xmss_public_key_to_bytes(const SM3_XMSS_KEY *key, uint8_t *out, size_t *
return 1;
}
// FIXME: check input length
int sm3_xmss_public_key_from_bytes(SM3_XMSS_KEY *key, const uint8_t *in, size_t inlen)
{
uint32_t height;