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 # include "libssl_compat.h" 12 # ifdef HAVE_OPENSSL_CMAC_H 13 # include <openssl/cmac.h> 14 # define CMAC "AES128CMAC" 15 # define AES_128_KEY_SIZE 16 16 # endif /*HAVE_OPENSSL_CMAC_H*/ 17 #else /* !OPENSSL follows */ 18 /* 19 * Provide OpenSSL-alike MD5 API if we're not using OpenSSL 20 */ 21 # if defined HAVE_MD5_H && defined HAVE_MD5INIT 22 # include <md5.h> 23 # else 24 # include "isc/md5.h" 25 typedef isc_md5_t MD5_CTX; 26 # define MD5Init(c) isc_md5_init(c) 27 # define MD5Update(c, p, s) isc_md5_update(c, p, s) 28 # define MD5Final(d, c) isc_md5_final((c), (d)) /* swapped */ 29 # endif 30 31 typedef MD5_CTX EVP_MD_CTX; 32 33 # define EVP_MD_CTX_free(c) free(c) 34 # define EVP_MD_CTX_new() calloc(1, sizeof(MD5_CTX)) 35 # define EVP_get_digestbynid(t) NULL 36 # define EVP_md5() NULL 37 # define EVP_MD_CTX_init(c) 38 # define EVP_MD_CTX_set_flags(c, f) 39 # define EVP_DigestInit(c, dt) (MD5Init(c), 1) 40 # define EVP_DigestInit_ex(c, dt, i) (MD5Init(c), 1) 41 # define EVP_DigestUpdate(c, p, s) MD5Update(c, (const void *)(p), \ 42 s) 43 # define EVP_DigestFinal(c, d, pdl) \ 44 do { \ 45 MD5Final((d), (c)); \ 46 *(pdl) = 16; \ 47 } while (0) 48 # endif /* !OPENSSL */ 49 #endif /* NTP_MD5_H */ 50