50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
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* ntp_md5.h: deal with md5.h headers
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*
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* Use the system MD5 if available, otherwise libisc's.
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*/
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#ifndef NTP_MD5_H
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#define NTP_MD5_H
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#ifdef OPENSSL
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# include <openssl/evp.h>
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# include "libssl_compat.h"
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# ifdef HAVE_OPENSSL_CMAC_H
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# include <openssl/cmac.h>
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# define CMAC "AES128CMAC"
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# define AES_128_KEY_SIZE 16
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# endif /*HAVE_OPENSSL_CMAC_H*/
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#else /* !OPENSSL follows */
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/*
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* Provide OpenSSL-alike MD5 API if we're not using OpenSSL
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*/
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# if defined HAVE_MD5_H && defined HAVE_MD5INIT
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# include <md5.h>
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# else
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# include "isc/md5.h"
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typedef isc_md5_t MD5_CTX;
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# define MD5Init(c) isc_md5_init(c)
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# define MD5Update(c, p, s) isc_md5_update(c, p, s)
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# define MD5Final(d, c) isc_md5_final((c), (d)) /* swapped */
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# endif
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typedef MD5_CTX EVP_MD_CTX;
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# define EVP_MD_CTX_free(c) free(c)
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# define EVP_MD_CTX_new() calloc(1, sizeof(MD5_CTX))
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# define EVP_get_digestbynid(t) NULL
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# define EVP_md5() NULL
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# define EVP_MD_CTX_init(c)
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# define EVP_MD_CTX_set_flags(c, f)
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# define EVP_DigestInit(c, dt) (MD5Init(c), 1)
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# define EVP_DigestInit_ex(c, dt, i) (MD5Init(c), 1)
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# define EVP_DigestUpdate(c, p, s) MD5Update(c, (const void *)(p), \
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s)
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# define EVP_DigestFinal(c, d, pdl) \
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do { \
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MD5Final((d), (c)); \
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*(pdl) = 16; \
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} while (0)
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# endif /* !OPENSSL */
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#endif /* NTP_MD5_H */
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