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      1 /*
      2  * iterated_hash.h -- nsec3 hash calculation.
      3  *
      4  * Copyright (c) 2001-2006, NLnet Labs. All rights reserved.
      5  *
      6  * See LICENSE for the license.
      7  *
      8  * With thanks to Ben Laurie.
      9  */
     10 #ifndef ITERATED_HASH_H
     11 #define ITERATED_HASH_H
     12 
     13 #ifdef NSEC3
     14 #include <openssl/sha.h>
     15 
     16 #define NSEC3_SHA1_HASH 1 /* same type code as DS hash */
     17 
     18 int iterated_hash(unsigned char out[SHA_DIGEST_LENGTH],
     19 	const unsigned char *salt,int saltlength,
     20 	const unsigned char *in,int inlength,int iterations);
     21 
     22 #endif /* NSEC3 */
     23 #endif /* ITERATED_HASH_H */
     24