1/* $NetBSD: ntp_md5.h,v 1.9 2020/05/25 20:47:19 christos Exp $ */ 2 3/* 4 * ntp_md5.h: deal with md5.h headers 5 * 6 * Use the system MD5 if available, otherwise libisc's. 7 */ 8#ifndef NTP_MD5_H 9#define NTP_MD5_H 10 11#ifdef OPENSSL 12# include <openssl/evp.h> 13# include "libssl_compat.h" 14# ifdef HAVE_OPENSSL_CMAC_H 15# include <openssl/cmac.h> 16# define CMAC "AES128CMAC" 17# define AES_128_KEY_SIZE 16 18# endif /*HAVE_OPENSSL_CMAC_H*/ 19#else /* !OPENSSL follows */ 20/* 21 * Provide OpenSSL-alike MD5 API if we're not using OpenSSL 22 */ 23# if defined HAVE_MD5_H && defined HAVE_MD5INIT 24# include <md5.h> 25# else 26# include "isc/md5.h" 27 typedef isc_md5_t MD5_CTX; 28# define MD5Init(c) isc_md5_init(c) 29# define MD5Update(c, p, s) isc_md5_update(c, p, s) 30# define MD5Final(d, c) isc_md5_final((c), (d)) /* swapped */ 31# endif 32 33 typedef MD5_CTX EVP_MD_CTX; 34 35# define EVP_MD_CTX_free(c) free(c) 36# define EVP_MD_CTX_new() calloc(1, sizeof(MD5_CTX)) 37# define EVP_get_digestbynid(t) NULL 38# define EVP_md5() NULL 39# define EVP_MD_CTX_init(c) 40# define EVP_MD_CTX_set_flags(c, f) 41# define EVP_DigestInit(c, dt) (MD5Init(c), (dt ? 1 : 1)) 42# define EVP_DigestInit_ex(c, dt, i) (MD5Init(c), (dt ? 1 : 1)) 43# define EVP_DigestUpdate(c, p, s) MD5Update(c, (const void *)(p), \ 44 s) 45# define EVP_DigestFinal(c, d, pdl) \ 46 do { \ 47 MD5Final((d), (c)); \ 48 *(pdl) = 16; \ 49 } while (0) 50# endif /* !OPENSSL */ 51#endif /* NTP_MD5_H */ 52