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66 lines
1.7 KiB
66 lines
1.7 KiB
=pod |
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=head1 NAME |
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RIPEMD160, RIPEMD160_Init, RIPEMD160_Update, RIPEMD160_Final - |
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RIPEMD-160 hash function |
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=head1 SYNOPSIS |
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#include <openssl/ripemd.h> |
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unsigned char *RIPEMD160(const unsigned char *d, unsigned long n, |
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unsigned char *md); |
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int RIPEMD160_Init(RIPEMD160_CTX *c); |
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int RIPEMD160_Update(RIPEMD_CTX *c, const void *data, |
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unsigned long len); |
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int RIPEMD160_Final(unsigned char *md, RIPEMD160_CTX *c); |
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=head1 DESCRIPTION |
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RIPEMD-160 is a cryptographic hash function with a |
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160 bit output. |
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RIPEMD160() computes the RIPEMD-160 message digest of the B<n> |
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bytes at B<d> and places it in B<md> (which must have space for |
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RIPEMD160_DIGEST_LENGTH == 20 bytes of output). If B<md> is NULL, the digest |
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is placed in a static array. |
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The following functions may be used if the message is not completely |
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stored in memory: |
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RIPEMD160_Init() initializes a B<RIPEMD160_CTX> structure. |
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RIPEMD160_Update() can be called repeatedly with chunks of the message to |
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be hashed (B<len> bytes at B<data>). |
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RIPEMD160_Final() places the message digest in B<md>, which must have |
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space for RIPEMD160_DIGEST_LENGTH == 20 bytes of output, and erases |
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the B<RIPEMD160_CTX>. |
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Applications should use the higher level functions |
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L<EVP_DigestInit(3)|EVP_DigestInit(3)> etc. instead of calling the |
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hash functions directly. |
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=head1 RETURN VALUES |
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RIPEMD160() returns a pointer to the hash value. |
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RIPEMD160_Init(), RIPEMD160_Update() and RIPEMD160_Final() return 1 for |
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success, 0 otherwise. |
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=head1 CONFORMING TO |
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ISO/IEC 10118-3 (draft) (??) |
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=head1 SEE ALSO |
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L<sha(3)|sha(3)>, L<hmac(3)|hmac(3)>, L<EVP_DigestInit(3)|EVP_DigestInit(3)> |
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=head1 HISTORY |
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RIPEMD160(), RIPEMD160_Init(), RIPEMD160_Update() and |
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RIPEMD160_Final() are available since SSLeay 0.9.0. |
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=cut
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