EXTERNAL_HEADERS/corecrypto/ccrc4.h

   1 /*
   2  *  ccrc4.h
   3  *  corecrypto
   4  *
   5  *  Created by Fabrice Gautier on 12/22/10.
   6  *  Copyright 2010,2011 Apple, Inc. All rights reserved.
   7  *
   8  */
   9
  10 #ifndef _CORECRYPTO_CCRC4_H_
  11 #define _CORECRYPTO_CCRC4_H_
  12
  13 #include <corecrypto/ccmode.h>
  14
  15 cc_aligned_struct(16) ccrc4_ctx;
  16
  17 /* Declare a rc4 key named _name_.  Pass the size field of a struct ccmode_ecb
  18  for _size_. */
  19 #define ccrc4_ctx_decl(_size_, _name_) cc_ctx_decl(ccrc4_ctx, _size_, _name_)
  20 #define ccrc4_ctx_clear(_size_, _name_) cc_zero(_size_, _name_)
  21
  22 struct ccrc4_info {
  23     size_t size;        /* first argument to ccrc4_ctx_decl(). */
  24     void (*init)(ccrc4_ctx *ctx, size_t key_len, const void *key);
  25     void (*crypt)(ccrc4_ctx *ctx, unsigned long nbytes, const void *in, void *out);
  26 };
  27
  28
  29 const struct ccrc4_info *ccrc4(void);
  30
  31 extern const struct ccrc4_info ccrc4_eay;
  32
  33 struct ccrc4_vector {
  34     size_t keylen;
  35     const void *key;
  36     unsigned long datalen;
  37     const void *pt;
  38     const void *ct;
  39 };
  40
  41 int ccrc4_test(const struct ccrc4_info *rc4, const struct ccrc4_vector *v);
  42
  43 #endif /* _CORECRYPTO_CCRC4_H_ */