/* Do not modify this file. */ /* It is created automatically by the ASN.1 to Ethereal dissector compiler */ /* ./packet-pkcs1.c */ /* ../../tools/asn2eth.py -X -b -p pkcs1 -c pkcs1.cnf -s packet-pkcs1-template PKCS1.asn */ /* Input file: packet-pkcs1-template.c */ /* packet-pkcs1.c * Routines for PKCS#1/RFC2313 packet dissection * Ronnie Sahlberg 2004 * * $Id$ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include "packet-pkcs1.h" #include "packet-ber.h" #include "packet-x509af.h" #define PNAME "PKCS#1" #define PSNAME "PKCS-1" #define PFNAME "pkcs-1" /* Initialize the protocol and registered fields */ static int proto_pkcs1 = -1; /*--- Included file: packet-pkcs1-hf.c ---*/ static int hf_pkcs1_modulus = -1; /* INTEGER */ static int hf_pkcs1_publicExponent = -1; /* INTEGER */ static int hf_pkcs1_version = -1; /* Version */ static int hf_pkcs1_privateExponent = -1; /* INTEGER */ static int hf_pkcs1_prime1 = -1; /* INTEGER */ static int hf_pkcs1_prime2 = -1; /* INTEGER */ static int hf_pkcs1_exponent1 = -1; /* INTEGER */ static int hf_pkcs1_exponent2 = -1; /* INTEGER */ static int hf_pkcs1_coefficient = -1; /* INTEGER */ static int hf_pkcs1_digestAlgorithm = -1; /* DigestAlgorithmIdentifier */ static int hf_pkcs1_digest = -1; /* Digest */ /*--- End of included file: packet-pkcs1-hf.c ---*/ /* Initialize the subtree pointers */ /*--- Included file: packet-pkcs1-ett.c ---*/ static gint ett_pkcs1_RSAPublicKey = -1; static gint ett_pkcs1_RSAPrivateKey = -1; static gint ett_pkcs1_DigestInfo = -1; /*--- End of included file: packet-pkcs1-ett.c ---*/ /*--- Included file: packet-pkcs1-fn.c ---*/ /*--- Fields for imported types ---*/ static int dissect_pkcs1_INTEGER(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index, NULL); return offset; } static int dissect_modulus(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_modulus); } static int dissect_publicExponent(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_publicExponent); } static int dissect_privateExponent(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_privateExponent); } static int dissect_prime1(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_prime1); } static int dissect_prime2(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_prime2); } static int dissect_exponent1(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_exponent1); } static int dissect_exponent2(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_exponent2); } static int dissect_coefficient(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_coefficient); } static const ber_sequence_t RSAPublicKey_sequence[] = { { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_modulus }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_publicExponent }, { 0, 0, 0, NULL } }; int dissect_pkcs1_RSAPublicKey(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset, RSAPublicKey_sequence, hf_index, ett_pkcs1_RSAPublicKey); return offset; } static int dissect_pkcs1_Version(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index, NULL); return offset; } static int dissect_version(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_Version(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_version); } static const ber_sequence_t RSAPrivateKey_sequence[] = { { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_version }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_modulus }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_publicExponent }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_privateExponent }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_prime1 }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_prime2 }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_exponent1 }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_exponent2 }, { BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_coefficient }, { 0, 0, 0, NULL } }; int dissect_pkcs1_RSAPrivateKey(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset, RSAPrivateKey_sequence, hf_index, ett_pkcs1_RSAPrivateKey); return offset; } static int dissect_pkcs1_DigestAlgorithmIdentifier(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) { offset = dissect_x509af_AlgorithmIdentifier(implicit_tag, tvb, offset, pinfo, tree, hf_index); return offset; } static int dissect_digestAlgorithm(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_DigestAlgorithmIdentifier(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_digestAlgorithm); } static int dissect_pkcs1_Digest(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) { offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index, NULL); return offset; } static int dissect_digest(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) { return dissect_pkcs1_Digest(FALSE, tvb, offset, pinfo, tree, hf_pkcs1_digest); } static const ber_sequence_t DigestInfo_sequence[] = { { BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_digestAlgorithm }, { BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_digest }, { 0, 0, 0, NULL } }; int dissect_pkcs1_DigestInfo(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset, DigestInfo_sequence, hf_index, ett_pkcs1_DigestInfo); return offset; } /*--- End of included file: packet-pkcs1-fn.c ---*/ /*--- proto_register_pkcs1 ----------------------------------------------*/ void proto_register_pkcs1(void) { /* List of fields */ static hf_register_info hf[] = { /*--- Included file: packet-pkcs1-hfarr.c ---*/ { &hf_pkcs1_modulus, { "modulus", "pkcs1.modulus", FT_INT32, BASE_DEC, NULL, 0, "", HFILL }}, { &hf_pkcs1_publicExponent, { "publicExponent", "pkcs1.publicExponent", FT_INT32, BASE_DEC, NULL, 0, "", HFILL }}, { &hf_pkcs1_version, { "version", "pkcs1.version", FT_INT32, BASE_DEC, VALS(x509af_Version_vals), 0, "RSAPrivateKey/version", HFILL }}, { &hf_pkcs1_privateExponent, { "privateExponent", "pkcs1.privateExponent", FT_INT32, BASE_DEC, NULL, 0, "RSAPrivateKey/privateExponent", HFILL }}, { &hf_pkcs1_prime1, { "prime1", "pkcs1.prime1", FT_INT32, BASE_DEC, NULL, 0, "RSAPrivateKey/prime1", HFILL }}, { &hf_pkcs1_prime2, { "prime2", "pkcs1.prime2", FT_INT32, BASE_DEC, NULL, 0, "RSAPrivateKey/prime2", HFILL }}, { &hf_pkcs1_exponent1, { "exponent1", "pkcs1.exponent1", FT_INT32, BASE_DEC, NULL, 0, "RSAPrivateKey/exponent1", HFILL }}, { &hf_pkcs1_exponent2, { "exponent2", "pkcs1.exponent2", FT_INT32, BASE_DEC, NULL, 0, "RSAPrivateKey/exponent2", HFILL }}, { &hf_pkcs1_coefficient, { "coefficient", "pkcs1.coefficient", FT_INT32, BASE_DEC, NULL, 0, "RSAPrivateKey/coefficient", HFILL }}, { &hf_pkcs1_digestAlgorithm, { "digestAlgorithm", "pkcs1.digestAlgorithm", FT_NONE, BASE_NONE, NULL, 0, "DigestInfo/digestAlgorithm", HFILL }}, { &hf_pkcs1_digest, { "digest", "pkcs1.digest", FT_BYTES, BASE_HEX, NULL, 0, "DigestInfo/digest", HFILL }}, /*--- End of included file: packet-pkcs1-hfarr.c ---*/ }; /* List of subtrees */ static gint *ett[] = { /*--- Included file: packet-pkcs1-ettarr.c ---*/ &ett_pkcs1_RSAPublicKey, &ett_pkcs1_RSAPrivateKey, &ett_pkcs1_DigestInfo, /*--- End of included file: packet-pkcs1-ettarr.c ---*/ }; /* Register protocol */ proto_pkcs1 = proto_register_protocol(PNAME, PSNAME, PFNAME); /* Register fields and subtrees */ proto_register_field_array(proto_pkcs1, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } /*--- proto_reg_handoff_pkcs1 -------------------------------------------*/ void proto_reg_handoff_pkcs1(void) { register_ber_oid_dissector("1.2.840.113549.2.2", dissect_ber_oid_NULL_callback, proto_pkcs1, "md2"); register_ber_oid_dissector("1.2.840.113549.2.4", dissect_ber_oid_NULL_callback, proto_pkcs1, "md4"); register_ber_oid_dissector("1.2.840.113549.2.5", dissect_ber_oid_NULL_callback, proto_pkcs1, "md5"); register_ber_oid_dissector("1.2.840.113549.1.1.1", dissect_ber_oid_NULL_callback, proto_pkcs1, "rsaEncryption"); register_ber_oid_dissector("1.2.840.113549.1.1.2", dissect_ber_oid_NULL_callback, proto_pkcs1, "md2WithRSAEncryption"); register_ber_oid_dissector("1.2.840.113549.1.1.3", dissect_ber_oid_NULL_callback, proto_pkcs1, "md4WithRSAEncryption"); register_ber_oid_dissector("1.2.840.113549.1.1.4", dissect_ber_oid_NULL_callback, proto_pkcs1, "md5WithRSAEncryption"); /* these two are not from RFC2313 but pulled in from http://www.alvestrand.no/objectid/1.2.840.113549.1.1.html */ register_ber_oid_dissector("1.2.840.113549.1.1.5", dissect_ber_oid_NULL_callback, proto_pkcs1, "shaWithRSAEncryption"); register_ber_oid_dissector("1.2.840.113549.1.1.6", dissect_ber_oid_NULL_callback, proto_pkcs1, "rsaOAEPEncryptionSET"); }