1/* 2 * ntp_md5.h: deal with md5.h headers 3 * 4 * Use the system MD5 if available, otherwise libisc's. 5 */ 6#ifndef NTP_MD5_H 7#define NTP_MD5_H 8 9#ifdef OPENSSL 10# include "openssl/evp.h" 11#else /* !OPENSSL follows */ 12/* 13 * Provide OpenSSL-alike MD5 API if we're not using OpenSSL 14 */ 15# if defined HAVE_MD5_H && defined HAVE_MD5INIT 16# include <md5.h> 17# else 18# include "isc/md5.h" 19 typedef isc_md5_t MD5_CTX; 20# define MD5Init(c) isc_md5_init(c) 21# define MD5Update(c, p, s) isc_md5_update(c, p, s) 22# define MD5Final(d, c) isc_md5_final((c), (d)) /* swapped */ 23# endif 24 25 typedef MD5_CTX EVP_MD_CTX; 26# define EVP_get_digestbynid(t) NULL 27# define EVP_md5() NULL 28# define EVP_MD_CTX_init(c) 29# define EVP_MD_CTX_set_flags(c, f) 30# define EVP_DigestInit(c, dt) (MD5Init(c), 1) 31# define EVP_DigestInit_ex(c, dt, i) (MD5Init(c), 1) 32# define EVP_DigestUpdate(c, p, s) MD5Update(c, (const void *)(p), \ 33 s) 34# define EVP_DigestFinal(c, d, pdl) \ 35 do { \ 36 MD5Final((d), (c)); \ 37 *(pdl) = 16; \ 38 } while (0) 39# endif /* !OPENSSL */ 40#endif /* NTP_MD5_H */ 41