/* * Copyright (C) 1996-2017 The Squid Software Foundation and contributors * * Squid software is distributed under GPLv2+ license and includes * contributions from numerous individuals and organizations. * Please see the COPYING and CONTRIBUTORS files for details. */ /* The source in this file is derived from the reference implementation * in RFC 2617. * RFC 2617 is Copyright (C) The Internet Society (1999). All Rights Reserved. * * The following copyright and licence statement covers all changes made to the * reference implementation. * * Key changes to the reference implementation were: * alteration to a plain C layout. * Create CvtBin function * Allow CalcHA1 to make use of precaculated username:password:realm hash's * to prevent squid knowing the users password (idea suggested in RFC 2617). */ #ifndef SQUID_RFC2617_H #define SQUID_RFC2617_H #ifdef __cplusplus extern "C" { #endif #define HASHLEN 16 typedef char HASH[HASHLEN]; #define HASHHEXLEN 32 typedef char HASHHEX[HASHHEXLEN + 1]; /* calculate H(A1) as per HTTP Digest spec */ extern void DigestCalcHA1( const char *pszAlg, const char *pszUserName, const char *pszRealm, const char *pszPassword, const char *pszNonce, const char *pszCNonce, HASH HA1, HASHHEX SessionKey ); /* calculate request-digest/response-digest as per HTTP Digest spec */ extern void DigestCalcResponse( const HASHHEX HA1, /* H(A1) */ const char *pszNonce, /* nonce from server */ const char *pszNonceCount, /* 8 hex digits */ const char *pszCNonce, /* client nonce */ const char *pszQop, /* qop-value: "", "auth", "auth-int" */ const char *pszMethod, /* method from the request */ const char *pszDigestUri, /* requested URL */ const HASHHEX HEntity, /* H(entity body) if qop="auth-int" */ HASHHEX Response /* request-digest or response-digest */ ); extern void CvtHex(const HASH Bin, HASHHEX Hex); extern void CvtBin(const HASHHEX Hex, HASH Bin); #ifdef __cplusplus } #endif #endif /* SQUID_RFC2617_H */