xcr_stream.h

IBE是一种非对称密码技术

/* Copyright 2003-2006, Voltage Security, all rights reserved.
 */

#include "ictk.h"

#ifndef XCR_STREAM_H
#define XCR_STREAM_H

#ifdef __cplusplus
extern "C" {
#endif

/* byte-wise xor
 */
int xcrXor (
   unsigned char *out,
   unsigned char *in1,
   unsigned char *in2,
   unsigned int sz,
   bf_context_t *bf
   );

/* "one-time pad" stream cipher using SHA-1 as stream generator
 */
int xcrSHA1Stream (
   unsigned char *out,
   unsigned char *in,
   unsigned int size,
   unsigned char *key,
   unsigned int key_sz,
   bf_context_t *bf
   );

/* Stream cipher encryption. Everywhere someone calls to StreamEncrypt
 * or StreamDecrypt, just call SHA1Stream.
 */
#define xcrStreamEncrypt xcrSHA1Stream
#define xcrStreamDecrypt xcrSHA1Stream

#ifdef __cplusplus
}
#endif

#endif /* XCR_STREAM_H */