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Add Groestlcoin #43

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Add Groestlcoin #43

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2 changes: 1 addition & 1 deletion Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ CFLAGS += -ansi -Wall $(CFLAGS_DEBUG) $(CFLAGS_OPTIMISE) \
$(CFLAGS_DISABLE_WARNINGS) $(INCLUDE)

OBJECTS = main.o keys.o hash.o base58.o segwit_addr.o result.o combination.o applog.o \
utility.o prefix.o
utility.o prefix.o groestl.o

.PHONY : all clean test

Expand Down
17 changes: 10 additions & 7 deletions base58.c
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Expand Up @@ -88,16 +88,16 @@ BitcoinResult Bitcoin_EncodeBase58(

BitcoinResult Bitcoin_EncodeBase58Check(
char *output, size_t output_size, size_t *encoded_output_size,
const void *source, size_t source_size
const void *source, size_t source_size,
void (*checksum_fn)(struct BitcoinSHA256 *output, const void *input, size_t size)
)
{
struct BitcoinSHA256 checksum;
size_t buffer_size = source_size + BITCOIN_BASE58CHECK_CHECKSUM_SIZE;
unsigned char *buffer = malloc(buffer_size);
BitcoinResult result = 0;

/* calc checksum bytes */
Bitcoin_DoubleSHA256(&checksum, source, source_size);
(*checksum_fn)(&checksum, source, source_size);

memcpy(buffer, source, source_size);
memcpy(buffer + source_size, &checksum, BITCOIN_BASE58CHECK_CHECKSUM_SIZE);
Expand Down Expand Up @@ -210,7 +210,8 @@ BitcoinResult Bitcoin_DecodeBase58(

BitcoinResult Bitcoin_DecodeBase58Check(
uint8_t *output, size_t output_buffer_size, size_t *decoded_output_size,
const void *input, size_t input_size
const void *input, size_t input_size,
void (*checksum_fn)(struct BitcoinSHA256 *output, const void *input, size_t size)
)
{
struct BitcoinSHA256 hash;
Expand All @@ -225,7 +226,8 @@ BitcoinResult Bitcoin_DecodeBase58Check(
return result;
}

Bitcoin_DoubleSHA256(&hash, output,

(*checksum_fn)(&hash, output,
temp_decoded_output_size - BITCOIN_BASE58CHECK_CHECKSUM_SIZE
);

Expand All @@ -250,7 +252,8 @@ BitcoinResult Bitcoin_FixBase58Check(
const char *input, size_t input_size,
unsigned change_chars,
unsigned remove_chars,
unsigned insert_chars
unsigned insert_chars,
void (*checksum_fn)(struct BitcoinSHA256 *output, const void *input, size_t size)
)
{
/* attempt to 'fix' an invalid base58check string by changing characters
Expand Down Expand Up @@ -310,7 +313,7 @@ BitcoinResult Bitcoin_FixBase58Check(
}

result = Bitcoin_DecodeBase58Check(output, output_buffer_size,
decoded_output_size, fixed_output, input_size
decoded_output_size, fixed_output, input_size, checksum_fn
);

if (result == BITCOIN_SUCCESS) {
Expand Down
13 changes: 10 additions & 3 deletions base58.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
#include <stdint.h> /* uint8_t */

#include "result.h" /* BitcoinResult / BITCOIN_SUCCESS / BITCOIN_ERROR_* */
#include "hash.h"

/** Base58Check defines a four byte suffix to be used as the checksum */
#define BITCOIN_BASE58CHECK_CHECKSUM_SIZE 4
Expand Down Expand Up @@ -55,14 +56,16 @@ BitcoinResult Bitcoin_EncodeBase58(
* to the contents pointed to by 'output_size'.
* @param[in] source Pointer to sequence of bytes to read.
* @param[in] source_size Number of bytes to read.
* @param[in] checksum_fn The hash function to use for the checksum bytes
*
* @return BitcoinResult indicating error state :
* BITCOIN_SUCCESS if success.
* BITCOIN_ERROR_OUTPUT_BUFFER_TOO_SMALL if output buffer too small.
*/
BitcoinResult Bitcoin_EncodeBase58Check(
char *output, size_t output_size, size_t *encoded_output_size,
const void *source, size_t source_size
const void *source, size_t source_size,
void (*checksum_fn)(struct BitcoinSHA256 *output, const void *input, size_t size)
);

/** @brief Convert a Base58 string to its binary representation.
Expand Down Expand Up @@ -101,6 +104,7 @@ BitcoinResult Bitcoin_DecodeBase58(
* maximum specified in output_buffer_size.
* @param[in] source Pointer to Base58Check string to read.
* @param[in] source_size Number of characters to read from 'source'.
* @param[in] checksum_fn The hash function to use for the checksum bytes
*
* @return BitcoinResult indicating error state :
* BITCOIN_SUCCESS if success.
Expand All @@ -109,7 +113,8 @@ BitcoinResult Bitcoin_DecodeBase58(
*/
BitcoinResult Bitcoin_DecodeBase58Check(
uint8_t *output, size_t output_buffer_size, size_t *decoded_output_size,
const void *input, size_t input_size
const void *input, size_t input_size,
void (*checksum_fn)(struct BitcoinSHA256 *output, const void *input, size_t size)
);

/** @brief Convert a Base58Check string to its binary representation, changing
Expand Down Expand Up @@ -143,6 +148,7 @@ BitcoinResult Bitcoin_DecodeBase58Check(
* @param[in] remove_chars Maximum number of characters to remove. Every
* possible combination of inserted characters up to
* this amount will be tested.
* @param[in] checksum_fn The hash function to use for the checksum bytes
*
* @return BitcoinResult indicating error state :
* BITCOIN_SUCCESS if success.
Expand All @@ -155,7 +161,8 @@ BitcoinResult Bitcoin_FixBase58Check(
const char *input, size_t input_size,
unsigned change_chars,
unsigned insert_chars,
unsigned remove_chars
unsigned remove_chars,
void (*checksum_fn)(struct BitcoinSHA256 *output, const void *input, size_t size)
);

#endif
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