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https://github.com/unrealircd/unrealircd.git
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Travis McArthur
229bcca996
We no longer support builds without OpenSSL - consequently we have no reason to keep our custom MD5 implementation, and probably shouldn't keep it around
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* Copyright UnrealIRCd 2015
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* A small wrapper around OpenSSL MD5 implementation
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*/
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#include "config.h"
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#include <openssl/md5.h>
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#include <stdio.h>
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/** Generates an MD5 checksum.
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* @param mdout[out] Buffer to store result in, the result will be 16 bytes in binary
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* (not ascii printable!).
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* @param src[in] The input data used to generate the checksum.
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* @param n[in] Length of data.
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*/
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void DoMD5(unsigned char *mdout, const unsigned char *src, unsigned long n)
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{
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MD5_CTX hash;
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MD5_Init(&hash);
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MD5_Update(&hash, src, n);
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MD5_Final(mdout, &hash);
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}
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/** Generates an MD5 checksum - ASCII printable string (0011223344..etc..).
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* @param dst[out] Buffer to store result in, this will be the result will be
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* 32 characters + nul terminator, so needs to be at least 33 characters.
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* @param src[in] The input data used to generate the checksum.
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* @param n[in] Length of data.
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*/
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char *md5hash(unsigned char *dst, const unsigned char *src, unsigned long n)
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{
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unsigned char tmp[16];
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DoMD5(tmp, src, n);
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sprintf(dst, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5], tmp[6], tmp[7], tmp[8],
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tmp[9], tmp[10], tmp[11], tmp[12], tmp[13], tmp[14], tmp[15]);
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return dst;
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}
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