EXTERNAL_HEADERS/corecrypto/ccrc4.h

   1 /*
   2  *  ccrc4.h
   3  *  corecrypto
   4  *
   5  *  Created on 12/22/2010
   6  *
   7  *  Copyright (c) 2010,2011,2012,2013,2014,2015 Apple Inc. All rights reserved.
   8  *
   9  */
  10
  11 #ifndef _CORECRYPTO_CCRC4_H_
  12 #define _CORECRYPTO_CCRC4_H_
  13
  14 #include <corecrypto/ccmode.h>
  15
  16 cc_aligned_struct(16) ccrc4_ctx;
  17
  18 /* Declare a rc4 key named _name_.  Pass the size field of a struct ccmode_ecb
  19  for _size_. */
  20 #define ccrc4_ctx_decl(_size_, _name_) cc_ctx_decl(ccrc4_ctx, _size_, _name_)
  21 #define ccrc4_ctx_clear(_size_, _name_) cc_clear(_size_, _name_)
  22
  23 struct ccrc4_info {
  24     size_t size;        /* first argument to ccrc4_ctx_decl(). */
  25     void (*init)(ccrc4_ctx *ctx, size_t key_len, const void *key);
  26     void (*crypt)(ccrc4_ctx *ctx, unsigned long nbytes, const void *in, void *out);
  27 };
  28
  29
  30 const struct ccrc4_info *ccrc4(void);
  31
  32 extern const struct ccrc4_info ccrc4_eay;
  33
  34 struct ccrc4_vector {
  35     size_t keylen;
  36     const void *key;
  37     unsigned long datalen;
  38     const void *pt;
  39     const void *ct;
  40 };
  41
  42 int ccrc4_test(const struct ccrc4_info *rc4, const struct ccrc4_vector *v);
  43
  44 #endif /* _CORECRYPTO_CCRC4_H_ */