ripemd(3)

     ripemd(3)              0.9.6h (2000-02-25)              ripemd(3)

     NAME
          RIPEMD160, RIPEMD160_Init, RIPEMD160_Update, RIPEMD160_Final
          - RIPEMD-160 hash function

     SYNOPSIS
           #include <openssl/ripemd.h>

           unsigned char *RIPEMD160(const unsigned char *d, unsigned long n,
                            unsigned char *md);

           void RIPEMD160_Init(RIPEMD160_CTX *c);
           void RIPEMD160_Update(RIPEMD_CTX *c, const void *data,
                            unsigned long len);
           void RIPEMD160_Final(unsigned char *md, RIPEMD160_CTX *c);

     DESCRIPTION
          RIPEMD-160 is a cryptographic hash function with a 160 bit
          output.

          RIPEMD160() computes the RIPEMD-160 message digest of the n
          bytes at d and places it in md (which must have space for
          RIPEMD160_DIGEST_LENGTH == 20 bytes of output). If md is
          NULL, the digest is placed in a static array.

          The following functions may be used if the message is not
          completely stored in memory:

          RIPEMD160_Init() initializes a RIPEMD160_CTX structure.

          RIPEMD160_Update() can be called repeatedly with chunks of
          the message to be hashed (len bytes at data).

          RIPEMD160_Final() places the message digest in md, which
          must have space for RIPEMD160_DIGEST_LENGTH == 20 bytes of
          output, and erases the RIPEMD160_CTX.

          Applications should use the higher level functions
          EVP_DigestInit(3) etc. instead of calling the hash functions
          directly.

     RETURN VALUES
          RIPEMD160() returns a pointer to the hash value.

          RIPEMD160_Init(), RIPEMD160_Update() and RIPEMD160_Final()
          do not return values.

     CONFORMING TO
          ISO/IEC 10118-3 (draft) (??)

     SEE ALSO
          sha(3), hmac(3), EVP_DigestInit(3)

     Page 1                                         (printed 1/19/103)

     ripemd(3)              0.9.6h (2000-02-25)              ripemd(3)

     HISTORY
          RIPEMD160(), RIPEMD160_Init(), RIPEMD160_Update() and
          RIPEMD160_Final() are available since SSLeay 0.9.0.

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