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SM2: change to official test vector #7653

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Jun 18, 2024
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SM2: change to official test vector #7653

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34 changes: 30 additions & 4 deletions wolfcrypt/test/test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32071,6 +32071,7 @@ static int ecc_sm2_test_curve(WC_RNG* rng, int testVerifyCount)

static int test_sm2_create_digest(void)
{
#ifndef WOLFSSL_SM3
const byte msg[] = "message to sign";
const byte id[] = "0123456789";
const byte badId[] = "0123556789";
Expand All @@ -32090,7 +32091,32 @@ static int test_sm2_create_digest(void)
"89933faf7a4798f48c5b9b4cd3a7693d54c9e05449946eb489c0dd50a5294805";
const char d[] =
"b3e66c2dbfb50c6ff6830c1fac4b51293a2562f9e667052b03df2d4b43c1f34a";
int hash_type = WC_HASH_TYPE_SHA256;
byte digest[WC_SHA256_DIGEST_SIZE];
#else
ecc_key key;
int ret;
const byte msg[] = { 0x6D, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x20,
0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x00 };
const byte id[] = { 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
0x00 };
const byte badId[] = "0123556789";
const char qx[] =
"09F9DF311E5421A150DD7D161E4BC5C672179FAD1833FC076BB08FF356F35020";
const char qy[] =
"CCEA490CE26775A52DC6EA718CC1AA600AED05FBF35E084A6632F6072DA9AD13";
const char d[] =
"3945208F7B2144B13F36E38AC6D39F95889393692860B51A42FB81EF4DF7C5B8";
byte expected[] = {
0xf0, 0xb4, 0x3e, 0x94, 0xba, 0x45, 0xac, 0xca,
0xac, 0xe6, 0x92, 0xed, 0x53, 0x43, 0x82, 0xeb,
0x17, 0xe6, 0xab, 0x5a, 0x19, 0xce, 0x7b, 0x31,
0xf4, 0x48, 0x6f, 0xdf, 0xc0, 0xd2, 0x86, 0x40
};
int hash_type = WC_HASH_TYPE_SM3;
byte digest[WC_SM3_DIGEST_SIZE];
#endif

ret = wc_ecc_init_ex(&key, HEAP_HINT, devId);
if (ret != 0)
Expand All @@ -32101,17 +32127,17 @@ static int test_sm2_create_digest(void)
ERROR_OUT(WC_TEST_RET_ENC_EC(ret), done);

ret = wc_ecc_sm2_create_digest(id, (int)XSTRLEN((const char*)id),
msg, (int)XSTRLEN((const char*)msg), WC_HASH_TYPE_SHA256, digest,
WC_SHA256_DIGEST_SIZE, &key);
msg, (int)XSTRLEN((const char*)msg), hash_type, digest, sizeof(digest),
&key);
if (ret != 0)
ERROR_OUT(WC_TEST_RET_ENC_EC(ret), done);

if (XMEMCMP(digest, expected, WC_SHA256_DIGEST_SIZE) != 0)
ERROR_OUT(WC_TEST_RET_ENC_NC, done);

ret = wc_ecc_sm2_create_digest(badId, (int)XSTRLEN((const char*)badId),
msg, (int)XSTRLEN((const char*)msg), WC_HASH_TYPE_SHA256, digest,
WC_SHA256_DIGEST_SIZE, &key);
msg, (int)XSTRLEN((const char*)msg), hash_type, digest, sizeof(digest),
&key);
if (ret != 0)
goto done;

Expand Down