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 # define KEY_TYPE_MD5 NID_md5 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 NID_md5 4 /* from openssl/objects.h */ 36 # define EVP_MAX_MD_SIZE 64 /* from openssl/evp.h */ 37 # define EVP_MD_CTX_free(c) free(c) 38 # define EVP_MD_CTX_new() calloc(1, sizeof(MD5_CTX)) 39 # define EVP_get_digestbynid(t) NULL 40 # define EVP_md5() NULL 41 # define EVP_MD_CTX_init(c) 42 # define EVP_MD_CTX_set_flags(c, f) 43 # define EVP_DigestInit(c, dt) (MD5Init(c), 1) 44 # define EVP_DigestInit_ex(c, dt, i) (MD5Init(c), 1) 45 # define EVP_DigestUpdate(c, p, s) MD5Update(c, (const void *)(p), \ 46 s) 47 # define EVP_DigestFinal(c, d, pdl) \ 48 do { \ 49 MD5Final((d), (c)); \ 50 *(pdl) = 16; \ 51 } while (0) 52 # endif /* !OPENSSL */ 53 #endif /* NTP_MD5_H */ 54