android/android_bootable_recovery
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use sha256 instead

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Change-Id: Ie4e7bfec568c786f58367f55fee866b6aae9732b
This commit is contained in:
Koushik Dutta 2011-07-12 16:15:05 -07:00
parent 32ac1666e2
commit 1115c8f325
1 changed files with 20 additions and 17 deletions
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37
dedupe/dedupe.c
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@ -50,29 +50,29 @@ static int copy_file(const char *dst, const char *src) {
return 0;
}
static void do_md5sum(FILE *mfile, unsigned char *rptr) {
static void do_sha256sum(FILE *mfile, unsigned char *rptr) {
char rdata[BUFSIZ];
int rsize;
MD5_CTX c;
SHA256_CTX c;
MD5_Init(&c);
SHA256_Init(&c);
while(!feof(mfile)) {
rsize = fread(rdata, sizeof(char), BUFSIZ, mfile);
if(rsize > 0) {
MD5_Update(&c, rdata, rsize);
SHA256_Update(&c, rdata, rsize);
}
}
MD5_Final(rptr, &c);
SHA256_Final(rptr, &c);
}
static int do_md5sum_file(const char* filename, unsigned char *rptr) {
static int do_sha256sum_file(const char* filename, unsigned char *rptr) {
FILE *f = fopen(filename, "rb");
if (f == NULL) {
fprintf(stderr, "Unable to open file: %s\n", filename);
return 1;
}
do_md5sum(f, rptr);
do_sha256sum(f, rptr);
fclose(f);
return 0;
}
@ -85,17 +85,17 @@ void print_stat(struct DEDUPE_STORE_CONTEXT *context, char type, struct stat st,
static int store_file(struct DEDUPE_STORE_CONTEXT *context, struct stat st, const char* f) {
printf("%s\n", f);
unsigned char sumdata[SHA_DIGEST_LENGTH];
unsigned char sumdata[SHA256_DIGEST_LENGTH];
int ret;
if (ret = do_md5sum_file(f, sumdata)) {
fprintf(stderr, "Error calculating md5sum of %s\n", f);
if (ret = do_sha256sum_file(f, sumdata)) {
fprintf(stderr, "Error calculating sha256sum of %s\n", f);
return ret;
}
char psum[41];
char psum[128];
int j;
for (j = 0; j < MD5_DIGEST_LENGTH; j++)
for (j = 0; j < SHA256_DIGEST_LENGTH; j++)
sprintf(&psum[(j*2)], "%02x", (int)sumdata[j]);
psum[(MD5_DIGEST_LENGTH * 2)] = '\0';
psum[(SHA256_DIGEST_LENGTH * 2)] = '\0';
char out_blob[PATH_MAX];
sprintf(out_blob, "%s/%s", context->blob_dir, psum);
@ -276,12 +276,15 @@ int main(int argc, char** argv) {
int ret;
printf("%s\t%s\t%s\t%s\t%s\t", type, mode, uid, gid, filename);
if (strcmp(type, "f") == 0) {
char md5[41];
token = tokenize(md5, token, '\t');
printf("%s\n", md5);
char sha256[128];
token = tokenize(sha256, token, '\t');
char sizeStr[32];
token = tokenize(sizeStr, token, '\t');
int size = atoi(sizeStr);
printf("%s\t%d\n", sha256, size);
char blob_file[PATH_MAX];
sprintf(blob_file, "%s/%s", blob_dir, md5);
sprintf(blob_file, "%s/%s", blob_dir, sha256);
if (ret = copy_file(filename, blob_file)) {
fprintf(stderr, "Unable to copy file %s\n", filename);
fclose(input_manifest);