mdc2 man page on Manjaro

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mdc2(3)				    OpenSSL			       mdc2(3)

       MDC2, MDC2_Init, MDC2_Update, MDC2_Final - MDC2 hash function

	#include <openssl/mdc2.h>

	unsigned char *MDC2(const unsigned char *d, unsigned long n,
			 unsigned char *md);

	int MDC2_Init(MDC2_CTX *c);
	int MDC2_Update(MDC2_CTX *c, const unsigned char *data,
			 unsigned long len);
	int MDC2_Final(unsigned char *md, MDC2_CTX *c);

       MDC2 is a method to construct hash functions with 128 bit output from
       block ciphers.  These functions are an implementation of MDC2 with DES.

       MDC2() computes the MDC2 message digest of the n bytes at d and places
       it in md (which must have space for MDC2_DIGEST_LENGTH == 16 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:

       MDC2_Init() initializes a MDC2_CTX structure.

       MDC2_Update() can be called repeatedly with chunks of the message to be
       hashed (len bytes at data).

       MDC2_Final() places the message digest in md, which must have space for
       MDC2_DIGEST_LENGTH == 16 bytes of output, and erases the MDC2_CTX.

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

       MDC2() returns a pointer to the hash value.

       MDC2_Init(), MDC2_Update() and MDC2_Final() return 1 for success, 0

       ISO/IEC 10118-2, with DES

       sha(3), EVP_DigestInit(3)

       MDC2(), MDC2_Init(), MDC2_Update() and MDC2_Final() are available since
       SSLeay 0.8.

1.0.1g				  2014-03-17			       mdc2(3)

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