™.. ripemd - Online Linux Manual PageSection : 3
Updated : 2013-02-11
Source : 1.0.1e
Note : OpenSSL

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NAMERIPEMD160, RIPEMD160_Init, RIPEMD160_Update, RIPEMD160_Final − RIPEMD−160 hash function

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SYNOPSIS​ #include <openssl/ripemd.h> ​ ​ unsigned char *RIPEMD160(const unsigned char *d, unsigned long n, ​ unsigned char *md); ​ ​ int RIPEMD160_Init(RIPEMD160_CTX *c); ​ int RIPEMD160_Update(RIPEMD_CTX *c, const void *data, ​ unsigned long len); ​ int RIPEMD160_Final(unsigned char *md, RIPEMD160_CTX *c);

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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.

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RETURN VALUES​RIPEMD160() returns a pointer to the hash value. ​RIPEMD160_Init(), RIPEMD160_Update() and RIPEMD160_Final() return 1 for success, 0 otherwise.

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CONFORMING TO​ISO/IEC 10118−3 (draft) (??)

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

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HISTORY​RIPEMD160(), RIPEMD160_Init(), RIPEMD160_Update() and ​RIPEMD160_Final() are available since SSLeay 0.9.0. 0

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