This document is a Mac OS X manual page. Manual pages are a command-line technology for providing documentation. You can view these manual pages locally using the man(1) command. These manual pages come from many different sources, and thus, have a variety of writing styles.

For more information about the manual page format, see the manual page for manpages(5).

ripemd(3)                                          OpenSSL                                         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)

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



0.9.7l                                           2000-02-25                                        ripemd(3)