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secp256k1
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Add test that recovering infinity fails

This commit is contained in:
Pieter Wuille 2014-11-18 13:13:17 +01:00
parent 4861f83686
commit 3bf029d676
1 changed files with 31 additions and 0 deletions
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31
src/tests.c
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@ -935,6 +935,36 @@ void run_ecdsa_end_to_end(void) {
}
}
void test_ecdsa_infinity(void) {
const unsigned char msg32[32] = {
'T', 'h', 'i', 's', ' ', 'i', 's', ' ',
'a', ' ', 'v', 'e', 'r', 'y', ' ', 's',
'e', 'c', 'r', 'e', 't', ' ', 'm', 'e',
's', 's', 'a', 'g', 'e', '.', '.', '.'
};
const unsigned char sig64[64] = {
// Generated by signing the above message with nonce 'This is the nonce we will use...'
// and secret key 0 (which is not valid), resulting in recid 0.
0x67, 0xCB, 0x28, 0x5F, 0x9C, 0xD1, 0x94, 0xE8,
0x40, 0xD6, 0x29, 0x39, 0x7A, 0xF5, 0x56, 0x96,
0x62, 0xFD, 0xE4, 0x46, 0x49, 0x99, 0x59, 0x63,
0x17, 0x9A, 0x7D, 0xD1, 0x7B, 0xD2, 0x35, 0x32,
0x4B, 0x1B, 0x7D, 0xF3, 0x4C, 0xE1, 0xF6, 0x8E,
0x69, 0x4F, 0xF6, 0xF1, 0x1A, 0xC7, 0x51, 0xDD,
0x7D, 0xD7, 0x3E, 0x38, 0x7E, 0xE4, 0xFC, 0x86,
0x6E, 0x1B, 0xE8, 0xEC, 0xC7, 0xDD, 0x95, 0x57
};
unsigned char pubkey[65];
int pubkeylen = 65;
CHECK(!secp256k1_ecdsa_recover_compact(msg32, 32, sig64, pubkey, &pubkeylen, 0, 0));
CHECK(secp256k1_ecdsa_recover_compact(msg32, 32, sig64, pubkey, &pubkeylen, 0, 1));
CHECK(!secp256k1_ecdsa_recover_compact(msg32, 32, sig64, pubkey, &pubkeylen, 0, 2));
CHECK(!secp256k1_ecdsa_recover_compact(msg32, 32, sig64, pubkey, &pubkeylen, 0, 3));
}
void run_ecdsa_infinity(void) {
test_ecdsa_infinity();
}
#ifdef ENABLE_OPENSSL_TESTS
EC_KEY *get_openssl_key(const secp256k1_scalar_t *key) {
@ -1037,6 +1067,7 @@ int main(int argc, char **argv) {
/* ecdsa tests */
run_ecdsa_sign_verify();
run_ecdsa_end_to_end();
run_ecdsa_infinity();
#ifdef ENABLE_OPENSSL_TESTS
run_ecdsa_openssl();
#endif