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Code Issues Releases Wiki Activity

nem: Add nem_validate_address

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This commit is contained in:
Saleem Rashid 2017-05-31 15:39:56 +01:00 committed by Pavol Rusnak
parent fd0952621e
commit 9888aab352
2 changed files with 31 additions and 1 deletions
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29
nem.c
View File

@ -72,6 +72,33 @@ bool nem_get_address(const ed25519_public_key public_key, uint8_t version, char
char *ret = base32_encode(pubkeyhash, sizeof(pubkeyhash), address, NEM_ADDRESS_SIZE + 1, BASE32_ALPHABET_RFC4648);
MEMSET_BZERO(pubkeyhash, sizeof(pubkeyhash));
return (ret != NULL);
}
bool nem_validate_address_raw(const uint8_t *address, uint8_t network) {
if (!nem_network_name(network) || address[0] != network) {
return false;
}
uint8_t hash[SHA3_256_DIGEST_LENGTH];
keccak_256(address, 1 + RIPEMD160_DIGEST_LENGTH, hash);
bool valid = (memcmp(&address[1 + RIPEMD160_DIGEST_LENGTH], hash, 4) == 0);
MEMSET_BZERO(hash, sizeof(hash));
return valid;
}
bool nem_validate_address(const char *address, uint8_t network) {
uint8_t pubkeyhash[NEM_ADDRESS_SIZE_RAW];
if (strlen(address) != NEM_ADDRESS_SIZE) {
return false;
}
uint8_t *ret = base32_decode(address, NEM_ADDRESS_SIZE, pubkeyhash, sizeof(pubkeyhash), BASE32_ALPHABET_RFC4648);
bool valid = (ret != NULL) && nem_validate_address_raw(pubkeyhash, network);
MEMSET_BZERO(pubkeyhash, sizeof(pubkeyhash));
return valid;
}

3
nem.h
View File

@ -38,4 +38,7 @@ const char *nem_network_name(uint8_t network);
void nem_get_address_raw(const ed25519_public_key public_key, uint8_t version, uint8_t *address);
bool nem_get_address(const ed25519_public_key public_key, uint8_t version, char *address);
bool nem_validate_address_raw(const uint8_t *address, uint8_t network);
bool nem_validate_address(const char *address, uint8_t network);
#endif