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Code Issues Releases Wiki Activity

Fixes for Ascon-Hash256

pull/573/head
Hosam Elkoulak 2026-05-01 09:07:21 +02:00
parent ae042f171c
commit 09d5072fdb
2 changed files with 75 additions and 52 deletions
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125
hash/Ascon-Hash256.c
View File

@ -37,15 +37,23 @@ void usage(void)
#endif
void free_mem(wc_AsconHash256 *asconHash, byte *hash, byte *rawInput, FILE *inputStream) {
fclose(inputStream);
free(rawInput);
free(hash);
wc_AsconHash256_Free(asconHash);
if (asconHash != NULL) {
wc_AsconHash256_Free(asconHash);
}
if (rawInput != NULL) {
free(rawInput);
}
if (inputStream != NULL) {
fclose(inputStream);
}
if (hash != NULL) {
free(hash);
}
}
int main(int argc, char** argv)
{
int ret = -1;
int ret = 0;
#ifdef HAVE_ASCON
wc_AsconHash256* asconHash = NULL;
byte* hash = NULL;
@ -59,54 +67,69 @@ int main(int argc, char** argv)
fName = argv[1];
printf("Hash input file %s\n", fName);
inputStream = fopen(fName, "rb");
if (inputStream == NULL) {
printf("ERROR: Unable to open file\n");
return -1;
while (1) {
inputStream = fopen(fName, "rb");
if (inputStream == NULL) {
printf("ERROR: Unable to open file\n");
ret = -1;
break;
}
/* find length of the file */
fseek(inputStream, 0, SEEK_END);
fileLength = (int) ftell(inputStream);
fseek(inputStream, 0, SEEK_SET);
/* Create and initialize hash context */
asconHash = wc_AsconHash256_New();
if (asconHash == NULL) {
printf("ERROR: Unable to create the hash context\n");
ret = -1;
break;
}
hash = (byte*) malloc(ASCON_HASH256_SZ);
if (hash == NULL) {
printf("ERROR: Unable to allocate space for hash value\n");
ret = -1;
break;
}
rawInput = (byte*) malloc(fileLength);
if (rawInput == NULL) {
printf("ERROR: Unable to allocate space for raw input\n");
ret = -1;
break;
}
/* Read input file into a byte array*/
size_t read = fread(rawInput, 1, fileLength, inputStream);
if (read != fileLength) {
printf("ERROR: Failed to read the size of input file\n");
ret = -1;
break;
}
ret = wc_AsconHash256_Update(asconHash, rawInput, fileLength);
if (ret != 0) {
printf("ERROR: Hash update failed\n");
ret = -1;
break;
}
ret = wc_AsconHash256_Final(asconHash, hash);
if (ret != 0) {
printf("ERROR: Hash operation failed");
ret = -1;
break;
}
break;
}
/* find length of the file */
fseek(inputStream, 0, SEEK_END);
fileLength = (int) ftell(inputStream);
fseek(inputStream, 0, SEEK_SET);
/* Create and initialize hash context */
asconHash = wc_AsconHash256_New();
if (asconHash == NULL) {
printf("ERROR: Unable to create the hash context\n");
}
hash = (byte*) malloc(ASCON_HASH256_SZ);
if (hash == NULL) {
printf("ERROR: Unable to allocate space for hash value\n");
}
rawInput = (byte*) malloc(fileLength);
if (rawInput == NULL) {
printf("ERROR: Unable to allocate space for raw input\n");
}
/* Read input file into a byte array*/
ret = fread(rawInput, 1, fileLength, inputStream);
if (ret != fileLength) {
printf("ERROR: Failed to read the size of input file\n");
}
ret = wc_AsconHash256_Update(asconHash, rawInput, fileLength);
if (ret != 0) {
printf("ERROR: Hash update failed\n");
}
ret = wc_AsconHash256_Final(asconHash, hash);
if (ret != 0) {
printf("ERROR: Hash operation failed");
}
else {
printf("Hash result is: ");
for (int i = 0; i < ASCON_HASH256_SZ; i++)
printf("%02x", hash[i]);
printf("\n");
}
printf("Hash result is: ");
for (int i = 0; i < ASCON_HASH256_SZ; i++)
printf("%02x", hash[i]);
printf("\n");
free_mem(asconHash, hash, rawInput, inputStream);
#else

2
hash/README.md
View File

@ -37,7 +37,7 @@ LIBS+=$(STATIC_LIB)
## Usage
### `Ascon-hash`
### `Ascon-Hash256`
This example shows how to hash an input file using Ascon-Hash256.