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4b56704437
Reorganize the SSL Socket structure contents to obviate ssl3 pointer.
Move much of the ECC code from ssl3con to new file ssl3ecc.c. derive.c
implements derivation of the SSL/TLS master secret and the encryption and
MAC keys and IVs without using PKCS11. Bug 305147. r=rrelyea.
Modified Files: ssl/config.mk ssl/manifest.mn ssl/ssl.h ssl/ssl3con.c
ssl/ssl3gthr.c ssl/sslauth.c ssl/sslcon.c ssl/ssldef.c ssl/sslgathr.c
ssl/sslimpl.h ssl/sslinfo.c ssl/sslnonce.c ssl/sslsecur.c ssl/sslsnce.c
ssl/sslsock.c
Added Files: ssl/derive.c ssl/ssl3ecc.c
270 lines
10 KiB
C
270 lines
10 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dr Vipul Gupta <vipul.gupta@sun.com>, Sun Microsystems Laboratories
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* $Id: sslinfo.c,v 1.14 2005/09/09 03:02:16 nelsonb%netscape.com Exp $ */
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#include "ssl.h"
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#include "sslimpl.h"
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#include "sslproto.h"
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SECStatus
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SSL_GetChannelInfo(PRFileDesc *fd, SSLChannelInfo *info, PRUintn len)
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{
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sslSocket * ss;
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SSLChannelInfo inf;
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sslSessionID * sid;
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if (!info || len < sizeof inf.length) {
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return SECSuccess;
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}
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ss = ssl_FindSocket(fd);
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if (!ss) {
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SSL_DBG(("%d: SSL[%d]: bad socket in SSL_GetChannelInfo",
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SSL_GETPID(), fd));
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return SECFailure;
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}
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memset(&inf, 0, sizeof inf);
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inf.length = PR_MIN(sizeof inf, len);
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if (ss->opt.useSecurity && ss->firstHsDone) {
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sid = ss->sec.ci.sid;
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inf.protocolVersion = ss->version;
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inf.authKeyBits = ss->sec.authKeyBits;
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inf.keaKeyBits = ss->sec.keaKeyBits;
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if (ss->version < SSL_LIBRARY_VERSION_3_0) { /* SSL2 */
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inf.cipherSuite = ss->sec.cipherType | 0xff00;
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} else if (ss->ssl3.initialized) { /* SSL3 and TLS */
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/* XXX These should come from crSpec */
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inf.cipherSuite = ss->ssl3.hs.cipher_suite;
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}
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if (sid) {
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inf.creationTime = sid->creationTime;
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inf.lastAccessTime = sid->lastAccessTime;
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inf.expirationTime = sid->expirationTime;
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if (ss->version < SSL_LIBRARY_VERSION_3_0) { /* SSL2 */
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inf.sessionIDLength = SSL2_SESSIONID_BYTES;
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memcpy(inf.sessionID, sid->u.ssl2.sessionID,
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SSL2_SESSIONID_BYTES);
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} else {
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unsigned int sidLen = sid->u.ssl3.sessionIDLength;
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sidLen = PR_MIN(sidLen, sizeof inf.sessionID);
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inf.sessionIDLength = sidLen;
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memcpy(inf.sessionID, sid->u.ssl3.sessionID, sidLen);
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}
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}
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}
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memcpy(info, &inf, inf.length);
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return SECSuccess;
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}
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#define CS(x) x, #x
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#define CK(x) x | 0xff00, #x
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#define S_DSA "DSA", ssl_auth_dsa
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#define S_RSA "RSA", ssl_auth_rsa
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#define S_KEA "KEA", ssl_auth_kea
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#define S_ECDSA "ECDSA", ssl_auth_ecdsa
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#define K_DHE "DHE", kt_dh
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#define K_RSA "RSA", kt_rsa
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#define K_KEA "KEA", kt_kea
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#define K_ECDH "ECDH", kt_ecdh
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#define K_ECDHE "ECDHE", kt_ecdh
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#define C_AES "AES", calg_aes
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#define C_RC4 "RC4", calg_rc4
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#define C_RC2 "RC2", calg_rc2
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#define C_DES "DES", calg_des
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#define C_3DES "3DES", calg_3des
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#define C_NULL "NULL", calg_null
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#define C_SJ "SKIPJACK", calg_sj
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#define B_256 256, 256, 256
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#define B_128 128, 128, 128
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#define B_3DES 192, 156, 112
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#define B_SJ 96, 80, 80
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#define B_DES 64, 56, 56
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#define B_56 128, 56, 56
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#define B_40 128, 40, 40
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#define B_0 0, 0, 0
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#define M_SHA "SHA1", ssl_mac_sha, 160
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#define M_MD5 "MD5", ssl_mac_md5, 128
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static const SSLCipherSuiteInfo suiteInfo[] = {
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/* <------ Cipher suite --------------------> <auth> <KEA> <bulk cipher> <MAC> <FIPS> */
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{0,CS(TLS_DHE_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_DHE, C_AES, B_256, M_SHA, 1, 0, 0, },
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{0,CS(TLS_DHE_DSS_WITH_AES_256_CBC_SHA), S_DSA, K_DHE, C_AES, B_256, M_SHA, 1, 0, 0, },
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{0,CS(TLS_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_RSA, C_AES, B_256, M_SHA, 1, 0, 0, },
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{0,CS(TLS_DHE_DSS_WITH_RC4_128_SHA), S_DSA, K_DHE, C_RC4, B_128, M_SHA, 0, 0, 0, },
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{0,CS(TLS_DHE_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_DHE, C_AES, B_128, M_SHA, 1, 0, 0, },
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{0,CS(TLS_DHE_DSS_WITH_AES_128_CBC_SHA), S_DSA, K_DHE, C_AES, B_128, M_SHA, 1, 0, 0, },
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{0,CS(SSL_RSA_WITH_RC4_128_MD5), S_RSA, K_RSA, C_RC4, B_128, M_MD5, 0, 0, 0, },
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{0,CS(SSL_RSA_WITH_RC4_128_SHA), S_RSA, K_RSA, C_RC4, B_128, M_SHA, 0, 0, 0, },
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{0,CS(TLS_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_RSA, C_AES, B_128, M_SHA, 1, 0, 0, },
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{0,CS(SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_DHE, C_3DES,B_3DES,M_SHA, 1, 0, 0, },
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{0,CS(SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA), S_DSA, K_DHE, C_3DES,B_3DES,M_SHA, 1, 0, 0, },
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{0,CS(SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA), S_RSA, K_RSA, C_3DES,B_3DES,M_SHA, 1, 0, 1, },
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{0,CS(SSL_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_RSA, C_3DES,B_3DES,M_SHA, 1, 0, 0, },
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{0,CS(SSL_DHE_RSA_WITH_DES_CBC_SHA), S_RSA, K_DHE, C_DES, B_DES, M_SHA, 0, 0, 0, },
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{0,CS(SSL_DHE_DSS_WITH_DES_CBC_SHA), S_DSA, K_DHE, C_DES, B_DES, M_SHA, 0, 0, 0, },
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{0,CS(SSL_RSA_FIPS_WITH_DES_CBC_SHA), S_RSA, K_RSA, C_DES, B_DES, M_SHA, 0, 0, 1, },
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{0,CS(SSL_RSA_WITH_DES_CBC_SHA), S_RSA, K_RSA, C_DES, B_DES, M_SHA, 0, 0, 0, },
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{0,CS(TLS_RSA_EXPORT1024_WITH_RC4_56_SHA), S_RSA, K_RSA, C_RC4, B_56, M_SHA, 0, 1, 0, },
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{0,CS(TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA), S_RSA, K_RSA, C_DES, B_DES, M_SHA, 0, 1, 0, },
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{0,CS(SSL_RSA_EXPORT_WITH_RC4_40_MD5), S_RSA, K_RSA, C_RC4, B_40, M_MD5, 0, 1, 0, },
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{0,CS(SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5), S_RSA, K_RSA, C_RC2, B_40, M_MD5, 0, 1, 0, },
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{0,CS(SSL_RSA_WITH_NULL_SHA), S_RSA, K_RSA, C_NULL,B_0, M_SHA, 0, 1, 0, },
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{0,CS(SSL_RSA_WITH_NULL_MD5), S_RSA, K_RSA, C_NULL,B_0, M_MD5, 0, 1, 0, },
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#ifdef NSS_ENABLE_ECC
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/* ECC cipher suites */
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{0,CS(TLS_ECDH_ECDSA_WITH_NULL_SHA), S_ECDSA, K_ECDH, C_NULL, B_0, M_SHA, 0, 0, 0, },
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{0,CS(TLS_ECDH_ECDSA_WITH_RC4_128_SHA), S_ECDSA, K_ECDH, C_RC4, B_128, M_SHA, 0, 0, 0, },
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{0,CS(TLS_ECDH_ECDSA_WITH_DES_CBC_SHA), S_ECDSA, K_ECDH, C_DES, B_DES, M_SHA, 0, 0, 0, },
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{0,CS(TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA), S_ECDSA, K_ECDH, C_3DES, B_3DES, M_SHA, 1, 0, 0, },
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{0,CS(TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA), S_ECDSA, K_ECDH, C_AES, B_128, M_SHA, 1, 0, 0, },
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{0,CS(TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA), S_ECDSA, K_ECDH, C_AES, B_256, M_SHA, 1, 0, 0, },
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{0,CS(TLS_ECDH_RSA_WITH_NULL_SHA), S_RSA, K_ECDH, C_NULL, B_0, M_SHA, 0, 0, 0, },
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{0,CS(TLS_ECDH_RSA_WITH_RC4_128_SHA), S_RSA, K_ECDH, C_RC4, B_128, M_SHA, 0, 0, 0, },
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{0,CS(TLS_ECDH_RSA_WITH_DES_CBC_SHA), S_RSA, K_ECDH, C_DES, B_DES, M_SHA, 0, 0, 0, },
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{0,CS(TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA), S_RSA, K_ECDH, C_3DES, B_3DES, M_SHA, 1, 0, 0, },
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{0,CS(TLS_ECDH_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_ECDH, C_AES, B_128, M_SHA, 1, 0, 0, },
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{0,CS(TLS_ECDH_RSA_WITH_AES_256_CBC_SHA), S_RSA, K_ECDH, C_AES, B_256, M_SHA, 1, 0, 0, },
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{0,CS(TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA), S_ECDSA, K_ECDHE, C_AES, B_128, M_SHA, 1, 0, 0, },
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{0,CS(TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA), S_RSA, K_ECDHE, C_AES, B_128, M_SHA, 1, 0, 0, },
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#endif /* NSS_ENABLE_ECC */
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/* SSL 2 table */
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{0,CK(SSL_CK_RC4_128_WITH_MD5), S_RSA, K_RSA, C_RC4, B_128, M_MD5, 0, 0, 0, },
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{0,CK(SSL_CK_RC2_128_CBC_WITH_MD5), S_RSA, K_RSA, C_RC2, B_128, M_MD5, 0, 0, 0, },
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{0,CK(SSL_CK_DES_192_EDE3_CBC_WITH_MD5), S_RSA, K_RSA, C_3DES,B_3DES,M_MD5, 0, 0, 0, },
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{0,CK(SSL_CK_DES_64_CBC_WITH_MD5), S_RSA, K_RSA, C_DES, B_DES, M_MD5, 0, 0, 0, },
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{0,CK(SSL_CK_RC4_128_EXPORT40_WITH_MD5), S_RSA, K_RSA, C_RC4, B_40, M_MD5, 0, 1, 0, },
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{0,CK(SSL_CK_RC2_128_CBC_EXPORT40_WITH_MD5), S_RSA, K_RSA, C_RC2, B_40, M_MD5, 0, 1, 0, }
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};
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#define NUM_SUITEINFOS ((sizeof suiteInfo) / (sizeof suiteInfo[0]))
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SECStatus SSL_GetCipherSuiteInfo(PRUint16 cipherSuite,
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SSLCipherSuiteInfo *info, PRUintn len)
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{
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unsigned int i;
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len = PR_MIN(len, sizeof suiteInfo[0]);
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if (!info || len < sizeof suiteInfo[0].length) {
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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return SECFailure;
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}
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for (i = 0; i < NUM_SUITEINFOS; i++) {
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if (suiteInfo[i].cipherSuite == cipherSuite) {
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memcpy(info, &suiteInfo[i], len);
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info->length = len;
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return SECSuccess;
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}
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}
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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return SECFailure;
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}
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/* This function might be a candidate to be public.
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* Disables all export ciphers in the default set of enabled ciphers.
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*/
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SECStatus
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SSL_DisableDefaultExportCipherSuites(void)
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{
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const SSLCipherSuiteInfo * pInfo = suiteInfo;
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unsigned int i;
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SECStatus rv;
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for (i = 0; i < NUM_SUITEINFOS; ++i, ++pInfo) {
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if (pInfo->isExportable) {
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rv = SSL_CipherPrefSetDefault(pInfo->cipherSuite, PR_FALSE);
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PORT_Assert(rv == SECSuccess);
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}
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}
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return SECSuccess;
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}
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/* This function might be a candidate to be public,
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* except that it takes an sslSocket pointer as an argument.
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* A Public version would take a PRFileDesc pointer.
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* Disables all export ciphers in the default set of enabled ciphers.
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*/
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SECStatus
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SSL_DisableExportCipherSuites(PRFileDesc * fd)
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{
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const SSLCipherSuiteInfo * pInfo = suiteInfo;
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unsigned int i;
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SECStatus rv;
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for (i = 0; i < NUM_SUITEINFOS; ++i, ++pInfo) {
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if (pInfo->isExportable) {
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rv = SSL_CipherPrefSet(fd, pInfo->cipherSuite, PR_FALSE);
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PORT_Assert(rv == SECSuccess);
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}
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}
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return SECSuccess;
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}
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/* Tells us if the named suite is exportable
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* returns false for unknown suites.
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*/
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PRBool
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SSL_IsExportCipherSuite(PRUint16 cipherSuite)
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{
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unsigned int i;
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for (i = 0; i < NUM_SUITEINFOS; i++) {
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if (suiteInfo[i].cipherSuite == cipherSuite) {
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return (PRBool)(suiteInfo[i].isExportable);
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}
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}
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return PR_FALSE;
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}
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