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refactor ecdsa_get_address_segwit_p2sh{,_raw}

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This commit is contained in:
Pavol Rusnak 2017-07-25 17:59:26 +02:00
parent 0f471bfd61
commit af06a997cb
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GPG Key ID: 91F3B339B9A02A3D
4 changed files with 21 additions and 13 deletions
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2
bip32.c
View File

@ -298,7 +298,7 @@ void hdnode_public_ckd_address_optimized(const curve_point *pub, const uint8_t *
switch (addrformat) {
case 1: // Segwit-in-P2SH
ecdsa_get_address_segwit(child_pubkey, version, addr, addrsize);
ecdsa_get_address_segwit_p2sh(child_pubkey, version, addr, addrsize);
break;
default: // normal address
ecdsa_get_address(child_pubkey, version, addr, addrsize);

24
ecdsa.c
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@ -907,21 +907,25 @@ void ecdsa_get_address(const uint8_t *pub_key, uint32_t version, char *addr, int
MEMSET_BZERO(raw, sizeof(raw));
}
void ecdsa_get_address_segwit(const uint8_t *pub_key, uint32_t version, char *addr, int addrsize)
void ecdsa_get_address_segwit_p2sh_raw(const uint8_t *pub_key, uint32_t version, uint8_t *addr_raw)
{
size_t prefix_len = address_prefix_bytes_len(version);
uint8_t digest[32];
addr_raw[0] = 0; // version byte
addr_raw[1] = 20; // push 20 bytes
ecdsa_get_pubkeyhash(pub_key, addr_raw + 2);
sha256_Raw(addr_raw, 22, digest);
address_write_prefix_bytes(version, addr_raw);
ripemd160(digest, 32, addr_raw + prefix_len);
}
void ecdsa_get_address_segwit_p2sh(const uint8_t *pub_key, uint32_t version, char *addr, int addrsize)
{
uint8_t raw[MAX_ADDR_RAW_SIZE];
size_t prefix_len = address_prefix_bytes_len(version);
uint8_t digest[32];
raw[0] = 0; // version byte
raw[1] = 20; // push 20 bytes
ecdsa_get_pubkeyhash(pub_key, raw + 2);
sha256_Raw(raw, 22, digest);
address_write_prefix_bytes(version, raw);
ripemd160(digest, 32, raw + prefix_len);
ecdsa_get_address_segwit_p2sh_raw(pub_key, version, raw);
base58_encode_check(raw, prefix_len + 20, addr, addrsize);
// not as important to clear these, but we might as well
MEMSET_BZERO(raw, sizeof(raw));
MEMSET_BZERO(digest, sizeof(digest));
}
void ecdsa_get_wif(const uint8_t *priv_key, uint32_t version, char *wif, int wifsize)

3
ecdsa.h
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@ -74,7 +74,8 @@ void ecdsa_get_public_key65(const ecdsa_curve *curve, const uint8_t *priv_key, u
void ecdsa_get_pubkeyhash(const uint8_t *pub_key, uint8_t *pubkeyhash);
void ecdsa_get_address_raw(const uint8_t *pub_key, uint32_t version, uint8_t *addr_raw);
void ecdsa_get_address(const uint8_t *pub_key, uint32_t version, char *addr, int addrsize);
void ecdsa_get_address_segwit(const uint8_t *pub_key, uint32_t version, char *addr, int addrsize);
void ecdsa_get_address_segwit_p2sh_raw(const uint8_t *pub_key, uint32_t version, uint8_t *addr_raw);
void ecdsa_get_address_segwit_p2sh(const uint8_t *pub_key, uint32_t version, char *addr, int addrsize);
void ecdsa_get_wif(const uint8_t *priv_key, uint32_t version, char *wif, int wifsize);
int ecdsa_address_decode(const char *addr, uint32_t version, uint8_t *out);

5
test_check.c
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@ -2317,24 +2317,28 @@ START_TEST(test_address)
ecdsa_get_address(pub_key, 111, address, sizeof(address)); ck_assert_str_eq(address, "mhfJsQNnrXB3uuYZqvywARTDfuvyjg4RBh");
ecdsa_get_address(pub_key, 52, address, sizeof(address)); ck_assert_str_eq(address, "MxiimznnxsqMfLKTQBL8Z2PoY9jKpjgkCu");
ecdsa_get_address(pub_key, 48, address, sizeof(address)); ck_assert_str_eq(address, "LMNJqZbe89yrPbm7JVzrcXJf28hZ1rKPaH");
ecdsa_get_address_segwit_p2sh(pub_key, 5, address, sizeof(address)); ck_assert_str_eq(address, "34PyTHn74syS796eTgsyoLfwoBC3cwLn6p");
memcpy(pub_key, fromhex("025b1654a0e78d28810094f6c5a96b8efb8a65668b578f170ac2b1f83bc63ba856"), 33);
ecdsa_get_address(pub_key, 0, address, sizeof(address)); ck_assert_str_eq(address, "19Ywfm3witp6C1yBMy4NRYHY2347WCRBfQ");
ecdsa_get_address(pub_key, 111, address, sizeof(address)); ck_assert_str_eq(address, "mp4txp8vXvFLy8So5Y2kFTVrt2epN6YzdP");
ecdsa_get_address(pub_key, 52, address, sizeof(address)); ck_assert_str_eq(address, "N58JsQYveGueiZDgdnNwe4SSkGTAToutAY");
ecdsa_get_address(pub_key, 48, address, sizeof(address)); ck_assert_str_eq(address, "LTmtvyMmoZ49SpfLY73fhZMJEFRPdyohKh");
ecdsa_get_address_segwit_p2sh(pub_key, 5, address, sizeof(address)); ck_assert_str_eq(address, "35trq6eeuHf6VL9L8pQv46x3vegHnHoTuB");
memcpy(pub_key, fromhex("03433f246a12e6486a51ff08802228c61cf895175a9b49ed4766ea9a9294a3c7fe"), 33);
ecdsa_get_address(pub_key, 0, address, sizeof(address)); ck_assert_str_eq(address, "1FWE2bn3MWhc4QidcF6AvEWpK77sSi2cAP");
ecdsa_get_address(pub_key, 111, address, sizeof(address)); ck_assert_str_eq(address, "mv2BKes2AY8rqXCFKp4Yk9j9B6iaMfWRLN");
ecdsa_get_address(pub_key, 52, address, sizeof(address)); ck_assert_str_eq(address, "NB5bEFH2GtoAawy8t4Qk8kfj3LWvQs3MhB");
ecdsa_get_address(pub_key, 48, address, sizeof(address)); ck_assert_str_eq(address, "LZjBHp5sSAwfKDQnnP5UCFaaXKV9YheGxQ");
ecdsa_get_address_segwit_p2sh(pub_key, 5, address, sizeof(address)); ck_assert_str_eq(address, "3456DYaKUWuY6RWWw8Hp5CftHLcQN29h9Y");
memcpy(pub_key, fromhex("03aeb03abeee0f0f8b4f7a5d65ce31f9570cef9f72c2dd8a19b4085a30ab033d48"), 33);
ecdsa_get_address(pub_key, 0, address, sizeof(address)); ck_assert_str_eq(address, "1yrZb8dhdevoqpUEGi2tUccUEeiMKeLcs");
ecdsa_get_address(pub_key, 111, address, sizeof(address)); ck_assert_str_eq(address, "mgVoreDcWf6BaxJ5wqgQiPpwLEFRLSr8U8");
ecdsa_get_address(pub_key, 52, address, sizeof(address)); ck_assert_str_eq(address, "MwZDmEdcd1kVLP4yW62c6zmXCU3mNbveDo");
ecdsa_get_address(pub_key, 48, address, sizeof(address)); ck_assert_str_eq(address, "LLCopoSTnHtz4eWdQQhLAVgNgT1zTi4QBK");
ecdsa_get_address_segwit_p2sh(pub_key, 5, address, sizeof(address)); ck_assert_str_eq(address, "3DBU4tJ9tkMR9fnmCtjW48kjvseoNLQZXd");
memcpy(pub_key, fromhex("0496e8f2093f018aff6c2e2da5201ee528e2c8accbf9cac51563d33a7bb74a016054201c025e2a5d96b1629b95194e806c63eb96facaedc733b1a4b70ab3b33e3a"), 65);
ecdsa_get_address(pub_key, 0, address, sizeof(address)); ck_assert_str_eq(address, "194SZbL75xCCGBbKtMsyWLE5r9s2V6mhVM");
@ -3133,7 +3137,6 @@ START_TEST(test_multibyte_address)
ecdsa_get_address(pub_key, 0x12345678, address, sizeof(address)); ck_assert_str_eq(address, "BrsGxAHga3VbopvSnb3gmLvMBhJNCGuDxBZL44");
ecdsa_get_address(pub_key, 0xffffffff, address, sizeof(address)); ck_assert_str_eq(address, "3diW7paWGJyZRLGqMJZ55DMfPExob8QxQHkrfYT");
res = ecdsa_address_decode("1C7zdTfnkzmr13HfA2vNm5SJYRK6nEKyq8", 0, decode);
ck_assert_int_eq(res, 1);
ck_assert_mem_eq(decode, fromhex("0079fbfc3f34e7745860d76137da68f362380c606c"), 21);