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Update SM9 schemes

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Update SM9 schemes based on the default sm9bn256v1 r-ate pairing. To be continued.
This commit is contained in:
Zhi Guan
2018-09-28 22:21:44 +08:00
parent c7aa2cc1ff
commit b54a3d35e6
21 changed files with 6629 additions and 7367 deletions
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62
crypto/sm9/sm9_lib.c
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@@ -65,28 +65,6 @@ int SM9PublicKey_get_gmtls_encoded(SM9PublicParameters *mpk,
return 0;
}
int SM9_hash1(const EVP_MD *md, BIGNUM **r,
const char *id, size_t idlen,
unsigned char hid,
const BIGNUM *range,
BN_CTX *ctx)
{
unsigned char *buf;
if (!(buf = OPENSSL_malloc(idlen + 1))) {
return 0;
}
memcpy(buf, id, idlen);
buf[idlen] = hid;
if (!BN_hash_to_range(md, r, buf, idlen + 1, range, ctx)) {
OPENSSL_free(buf);
return 0;
}
OPENSSL_free(buf);
return 1;
}
int SM9_hash2(const EVP_MD *md, BIGNUM **r,
const unsigned char *data, size_t datalen,
@@ -110,3 +88,43 @@ int SM9_hash2(const EVP_MD *md, BIGNUM **r,
return 1;
}
int SM9_DigestInit(EVP_MD_CTX *ctx, unsigned char prefix,
const EVP_MD *md, ENGINE *impl)
{
if (!EVP_DigestInit_ex(ctx, md, impl)
|| !EVP_DigestUpdate(ctx, &prefix, 1)) {
ERR_print_errors_fp(stderr);
return 0;
}
return 1;
}
#if 0
int SM9_DigestFinal(EVP_MD_CTX *ctx1, BIGNUM *h, const BIGNUM *n_1)
{
int ret = 0;
EVP_MD_CTX *ctx2 = NULL;
const unsigned char ct1[4] = {0x00, 0x00, 0x00, 0x01};
const unsigned char ct2[4] = {0x00, 0x00, 0x00, 0x02};
unsigned char Ha[EVP_MAX_MD_SIZE * 2];
unsigned int len = 0;
if (!(ctx2 = EVP_MD_CTX_new())
|| !EVP_MD_CTX_copy(ctx2, ctx1)
|| !EVP_DigestUpdate(ctx1, ct1, sizeof(ct))
|| !EVP_DigestUpdate(ctx2, ct2, sizeof(ct2))
|| !EVP_DigestFinal_ex(ctx1, Ha, &len)
|| !EVP_DigestFinal_ex(ctx2, Ha + len, &len)
|| !BN_bin2bn(Ha, 40, h)
|| !BN_mod(h, h, n_1, bn_ctx)
|| !BN_add_word(h, 1)) {
ERR_print_errors_fp(stderr);
goto end;
}
ret = 1;
end:
EVP_MD_CTX_free(ctx2);
return ret;
}
#endif