uint Sha::GetFileDigest(void* digest, LPCSTR fn, SHA_BITS bits) {
int rst;
if(bits == sha_160) {
rst = sha1_file((char*)fn, (byte*)digest);
} else if(bits == sha_224) {
rst = sha2_file((char*)fn, (byte*)digest, 1);
} else if(bits == sha_256) {
rst = sha2_file((char*)fn, (byte*)digest, 0);
} else if(bits == sha_384) {
rst = sha4_file((char*)fn, (byte*)digest, 1);
} else if(bits == sha_512) {
rst = sha4_file((char*)fn, (byte*)digest, 0);
} else {
_ASSERT(0);
return 0;
}
return rst ? 0 : bits;
}
int sha256_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return sha2_file( path, output, 0 );
#else
((void) path);
((void) output);
return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE;
#endif
}
static int sha2_wrapper( char *filename, unsigned char *sum )
{
int ret = sha2_file( filename, sum, 0 );
if( ret == 1 )
fprintf( stderr, "failed to open: %s\n", filename );
if( ret == 2 )
fprintf( stderr, "failed to read: %s\n", filename );
return( ret );
}
/** Get the sha256 sum of file.
* @param filename name of the file
* @return the checksum on success, NULL on error
* @addtogroup alpm_misc
*/
char SYMEXPORT *alpm_compute_sha256sum(const char *filename)
{
unsigned char output[32];
ASSERT(filename != NULL, return NULL);
/* defined above for OpenSSL, otherwise defined in sha2.h */
if(sha2_file(filename, output, 0) > 0) {
return NULL;
}
return hex_representation(output, 32);
}
uint Sha::GetFileDigest(void* digest,LPCWSTR fn,SHA_BITS bits){
String str = fn;
char buf[MAX_PATH];
int len = str.ToMultiByte(buf,MAX_PATH,CP_THREAD_ACP);
buf[len] = 0;
int rst;
if(bits==sha_160){
rst = sha1_file(buf,(byte*)digest);
}else if(bits==sha_224){
rst = sha2_file(buf,(byte*)digest,1);
}else if(bits==sha_256){
rst = sha2_file(buf,(byte*)digest,0);
}else if(bits==sha_384){
rst = sha4_file(buf,(byte*)digest,1);
}else if(bits==sha_512){
rst = sha4_file(buf,(byte*)digest,0);
}else{
_ASSERT(0);
return 0;
}
return rst?0:bits;
}
