move var declarations to the beginning of the block

pull/573/head
Hosam Elkoulak 2026-06-17 13:45:28 +02:00
parent 7744b613d7
commit cdcebdc1e2
2 changed files with 20 additions and 12 deletions

View File

@ -137,6 +137,7 @@ int AsconEncrypt(wc_AsconCtx* ctx)
byte salt[SALT_SIZE] = {0};
byte tag[ASCON_AEAD128_TAG_SZ] = {0};
int chunk_read = BLOCK_SIZE;
long j;
if (fseek(ctx->inFile, 0, SEEK_END) != SUCCESS) {
@ -204,7 +205,7 @@ int AsconEncrypt(wc_AsconCtx* ctx)
}
/* Loop reading a block at a time */
for (long j = 0; j <= ctx->inFileLength; j += BLOCK_SIZE) {
for (j = 0; j <= ctx->inFileLength; j += BLOCK_SIZE) {
if (chunk_read > ctx->inFileLength - j) {
chunk_read = ctx->inFileLength - j;
}
@ -302,6 +303,7 @@ int AsconDecrypt(wc_AsconCtx* ctx)
if (ctx->inFileLength >= FILE_HEADER_SIZE) {
int chunk_read = BLOCK_SIZE;
int i = 0;
long j;
/* read the file header and extract salt, nonce, and tag */
if (fread(ctx->cipherText, 1, FILE_HEADER_SIZE, ctx->inFile) != FILE_HEADER_SIZE) {
@ -351,7 +353,7 @@ int AsconDecrypt(wc_AsconCtx* ctx)
/* Start decrypting ciphertext */
ctx->inFileLength -= FILE_HEADER_SIZE;
for (long j = 0; j <= ctx->inFileLength; j += BLOCK_SIZE) {
for (j = 0; j <= ctx->inFileLength; j += BLOCK_SIZE) {
if (chunk_read > ctx->inFileLength - j) {
chunk_read = ctx->inFileLength - j;
}
@ -466,6 +468,9 @@ int main(int argc, char** argv)
printf("Memory allocation for ctx failed.\n");
return ret;
}
memset(ctx, 0, sizeof(*ctx));
ctx->ascon = NULL;
ctx->key = NULL;
ctx->password = NULL;

View File

@ -56,12 +56,15 @@ int main(int argc, char** argv)
int ret = 1;
#ifdef HAVE_ASCON
wc_AsconHash256* asconHash = NULL;
byte hash[ASCON_HASH256_SZ] = {0};
byte* rawInput = NULL;
FILE* inputStream = NULL;
char* fName = NULL;
long fileLength = 0;
int chunkRead = BLOCK_SIZE;
byte hash[ASCON_HASH256_SZ] = {0};
byte* rawInput = NULL;
FILE* inputStream = NULL;
char* fName = NULL;
long fileLength = 0;
int chunkRead = BLOCK_SIZE;
long i;
int j;
size_t read;
if (argc < 2)
usage();
@ -105,12 +108,12 @@ int main(int argc, char** argv)
goto cleanup;
}
for (long i = 0; i < fileLength; i += BLOCK_SIZE) {
for (i = 0; i < fileLength; i += BLOCK_SIZE) {
if (chunkRead > fileLength - i)
chunkRead = fileLength - i;
/* Read blocks from input file into a byte array*/
size_t read = fread(rawInput, 1, chunkRead, inputStream);
read = fread(rawInput, 1, chunkRead, inputStream);
if (read != chunkRead) {
printf("ERROR: Failed to read the size of input file\n");
goto cleanup;
@ -132,8 +135,8 @@ int main(int argc, char** argv)
}
printf("Hash result is: ");
for (int i = 0; i < ASCON_HASH256_SZ; i++)
printf("%02x", hash[i]);
for (j = 0; j < ASCON_HASH256_SZ; j++)
printf("%02x", hash[j]);
printf("\n");
cleanup: