#include "btc/ecc_key.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "btc/ecc.h"
#include "btc/hash.h"
#include "random.h"
#include "ripemd160.h"
#include "utils.h"

Functions
void	btc_privkey_init (btc_key *privkey)

btc_bool	btc_privkey_is_valid (btc_key *privkey)

void	btc_privkey_cleanse (btc_key *privkey)

void	btc_privkey_gen (btc_key *privkey)

btc_bool	btc_privkey_verify_pubkey (btc_key privkey, btc_pubkey pubkey)

void	btc_pubkey_init (btc_pubkey *pubkey)

btc_bool	btc_pubkey_is_valid (btc_pubkey *pubkey)

void	btc_pubkey_cleanse (btc_pubkey *pubkey)

void	btc_pubkey_get_hash160 (const btc_pubkey pubkey, uint8_t hash160)

void	btc_pubkey_from_key (btc_key privkey, btc_pubkey pubkey_inout)

btc_bool	btc_key_sign_hash (const btc_key privkey, const uint8_t hash, unsigned char sigout, size_t outlen)

btc_bool	btc_pubkey_verify_sig (const btc_pubkey pubkey, const uint8_t hash, unsigned char *sigder, int len)

Function Documentation

btc_bool btc_key_sign_hash	(	const btc_key *	privkey,
		const uint8_t *	hash,
		unsigned char *	sigout,
		size_t *	outlen
	)

Definition at line 130 of file ecc_key.c.

References ecc_sign(), and btc_key_::privkey.

Referenced by btc_privkey_verify_pubkey().

 {
     return ecc_sign(privkey->privkey, hash, sigout, outlen);
 }

void btc_privkey_cleanse ( btc_key * privkey )

Definition at line 54 of file ecc_key.c.

References BTC_ECKEY_PKEY_LENGTH, and btc_key_::privkey.

 {
     memset(&privkey->privkey, 0, BTC_ECKEY_PKEY_LENGTH);
 }

void btc_privkey_gen ( btc_key * privkey )

Definition at line 60 of file ecc_key.c.

References BTC_ECKEY_PKEY_LENGTH, ecc_verify_privatekey(), btc_key_::privkey, and random_bytes().

 {
     if (privkey == NULL)
         return;
 
     do {
         random_bytes(privkey->privkey, BTC_ECKEY_PKEY_LENGTH, 0);
     } while (ecc_verify_privatekey(privkey->privkey) == 0);
 }

void btc_privkey_init ( btc_key * privkey )

Definition at line 42 of file ecc_key.c.

References BTC_ECKEY_PKEY_LENGTH, and btc_key_::privkey.

 {
     memset(&privkey->privkey, 0, BTC_ECKEY_PKEY_LENGTH);
 }

btc_bool btc_privkey_is_valid ( btc_key * privkey )

Definition at line 48 of file ecc_key.c.

References ecc_verify_privatekey(), and btc_key_::privkey.

 {
     return ecc_verify_privatekey(privkey->privkey);
 }

btc_bool btc_privkey_verify_pubkey	(	btc_key *	privkey,
		btc_pubkey *	pubkey
	)

Definition at line 71 of file ecc_key.c.

References btc_hash(), btc_key_sign_hash(), btc_pubkey_verify_sig(), and random_bytes().

 {
     uint8_t rnddata[32], hash[32];
     random_bytes(rnddata, 32, 0);
     btc_hash(rnddata, 32, hash);
 
     unsigned char sig[74];
     size_t siglen = 74;
 
     if (!btc_key_sign_hash(privkey, hash, sig, &siglen))
         return false;
 
     return btc_pubkey_verify_sig(pubkey, hash, sig, siglen);
 }

void btc_pubkey_cleanse ( btc_pubkey * pubkey )

Definition at line 103 of file ecc_key.c.

References BTC_ECKEY_UNCOMPRESSED_LENGTH, and btc_pubkey_::pubkey.

 {
     if (pubkey == NULL)
         return;
 
     memset(pubkey->pubkey, 0, BTC_ECKEY_UNCOMPRESSED_LENGTH);
 }

void btc_pubkey_from_key	(	btc_key *	privkey,
		btc_pubkey *	pubkey_inout
	)

Definition at line 118 of file ecc_key.c.

References BTC_ECKEY_COMPRESSED_LENGTH, btc_pubkey_::compressed, ecc_get_pubkey(), btc_key_::privkey, and btc_pubkey_::pubkey.

 {
     if (pubkey_inout == NULL || privkey == NULL)
         return;
 
     size_t in_out_len = BTC_ECKEY_COMPRESSED_LENGTH;
 
     ecc_get_pubkey(privkey->privkey, pubkey_inout->pubkey, &in_out_len, true);
     pubkey_inout->compressed = true;
 }

void btc_pubkey_get_hash160	(	const btc_pubkey *	pubkey,
		uint8_t *	hash160
	)

Definition at line 112 of file ecc_key.c.

References BTC_ECKEY_COMPRESSED_LENGTH, BTC_ECKEY_UNCOMPRESSED_LENGTH, btc_pubkey_::compressed, btc_pubkey_::pubkey, and ripemd160().

Referenced by btc_tx_add_p2pkh_out().

 {
     ripemd160(pubkey->pubkey, pubkey->compressed ? BTC_ECKEY_COMPRESSED_LENGTH : BTC_ECKEY_UNCOMPRESSED_LENGTH, hash160);
 }

void btc_pubkey_init ( btc_pubkey * pubkey )

Definition at line 87 of file ecc_key.c.

References BTC_ECKEY_UNCOMPRESSED_LENGTH, btc_pubkey_::compressed, and btc_pubkey_::pubkey.

 {
     if (pubkey == NULL)
         return;
 
     memset(pubkey->pubkey, 0, BTC_ECKEY_UNCOMPRESSED_LENGTH);
     pubkey->compressed = false;
 }

btc_bool btc_pubkey_is_valid ( btc_pubkey * pubkey )

Definition at line 97 of file ecc_key.c.

References btc_pubkey_::compressed, ecc_verify_pubkey(), and btc_pubkey_::pubkey.

 {
     return ecc_verify_pubkey(pubkey->pubkey, pubkey->compressed);
 }

btc_bool btc_pubkey_verify_sig	(	const btc_pubkey *	pubkey,
		const uint8_t *	hash,
		unsigned char *	sigder,
		int	len
	)

Definition at line 136 of file ecc_key.c.

References btc_pubkey_::compressed, ecc_verify_sig(), and btc_pubkey_::pubkey.

Referenced by btc_privkey_verify_pubkey().

 {
     return ecc_verify_sig(pubkey->pubkey, pubkey->compressed, hash, sigder, len);
 }

Functions

Function Documentation