epan/dissectors/packet-pkcs1.c

   1 /* Do not modify this file. Changes will be overwritten.                      */
   2 /* Generated automatically by the ASN.1 to Wireshark dissector compiler       */
   3 /* packet-pkcs1.c                                                             */
   4 /* asn2wrs.py -b -q -L -p pkcs1 -c ./pkcs1.cnf -s ./packet-pkcs1-template -D . -O ../.. PKIXAlgs-2009.asn */
   5
   6 /* packet-pkcs1.c
   7  * Routines for PKCS#1/RFC2313 packet dissection
   8  *  Ronnie Sahlberg 2004
   9  *
  10  * Wireshark - Network traffic analyzer
  11  * By Gerald Combs <gerald@wireshark.org>
  12  * Copyright 1998 Gerald Combs
  13  *
  14  * SPDX-License-Identifier: GPL-2.0-or-later
  15  */
  16
  17 #include "config.h"
  18
  19 #include <epan/packet.h>
  20 #include <epan/oids.h>
  21 #include <epan/asn1.h>
  22 #include <wsutil/array.h>
  23
  24 #include "packet-ber.h"
  25 #include "packet-pkcs1.h"
  26 #include "packet-x509af.h"
  27
  28 #define PNAME  "PKCS#1"
  29 #define PSNAME "PKCS-1"
  30 #define PFNAME "pkcs-1"
  31
  32 void proto_register_pkcs1(void);
  33 void proto_reg_handoff_pkcs1(void);
  34
  35 /* Initialize the protocol and registered fields */
  36 static int proto_pkcs1;
  37 static int hf_pkcs1_DSA_Params_PDU;               /* DSA_Params */
  38 static int hf_pkcs1_DomainParameters_PDU;         /* DomainParameters */
  39 static int hf_pkcs1_KEA_Params_Id_PDU;            /* KEA_Params_Id */
  40 static int hf_pkcs1_HashAlgorithm_PDU;            /* HashAlgorithm */
  41 static int hf_pkcs1_RSASSA_PSS_params_PDU;        /* RSASSA_PSS_params */
  42 static int hf_pkcs1_ECParameters_PDU;             /* ECParameters */
  43 static int hf_pkcs1_Prime_p_PDU;                  /* Prime_p */
  44 static int hf_pkcs1_modulus;                      /* INTEGER */
  45 static int hf_pkcs1_publicExponent;               /* INTEGER */
  46 static int hf_pkcs1_digestAlgorithm;              /* DigestAlgorithmIdentifier */
  47 static int hf_pkcs1_digest;                       /* Digest */
  48 static int hf_pkcs1_p;                            /* INTEGER */
  49 static int hf_pkcs1_q;                            /* INTEGER */
  50 static int hf_pkcs1_g;                            /* INTEGER */
  51 static int hf_pkcs1_j;                            /* INTEGER */
  52 static int hf_pkcs1_validationParams;             /* ValidationParams */
  53 static int hf_pkcs1_seed;                         /* BIT_STRING */
  54 static int hf_pkcs1_pgenCounter;                  /* INTEGER */
  55 static int hf_pkcs1_hashAlgorithm;                /* HashAlgorithm */
  56 static int hf_pkcs1_maskGenAlgorithm;             /* MaskGenAlgorithm */
  57 static int hf_pkcs1_saltLength;                   /* INTEGER */
  58 static int hf_pkcs1_trailerField;                 /* INTEGER */
  59 static int hf_pkcs1_specifiedCurve;               /* SpecifiedECDomain */
  60 static int hf_pkcs1_namedCurve;                   /* OBJECT_IDENTIFIER */
  61 static int hf_pkcs1_version;                      /* ECPVer */
  62 static int hf_pkcs1_fieldID;                      /* FieldID */
  63 static int hf_pkcs1_curve;                        /* Curve */
  64 static int hf_pkcs1_base;                         /* ECPoint */
  65 static int hf_pkcs1_order;                        /* INTEGER */
  66 static int hf_pkcs1_cofactor;                     /* INTEGER */
  67 static int hf_pkcs1_fieldType;                    /* T_fieldType */
  68 static int hf_pkcs1_parameters;                   /* T_parameters */
  69 static int hf_pkcs1_a;                            /* FieldElement */
  70 static int hf_pkcs1_b;                            /* FieldElement */
  71 static int hf_pkcs1_r;                            /* INTEGER */
  72 static int hf_pkcs1_s;                            /* INTEGER */
  73
  74 /* Initialize the subtree pointers */
  75 static int ett_pkcs1_RSAPublicKey;
  76 static int ett_pkcs1_DigestInfo;
  77 static int ett_pkcs1_DSA_Params;
  78 static int ett_pkcs1_DomainParameters;
  79 static int ett_pkcs1_ValidationParams;
  80 static int ett_pkcs1_RSASSA_PSS_params;
  81 static int ett_pkcs1_ECParameters;
  82 static int ett_pkcs1_SpecifiedECDomain;
  83 static int ett_pkcs1_FieldID;
  84 static int ett_pkcs1_Curve;
  85 static int ett_pkcs1_DSA_Sig_Value;
  86 static int ett_pkcs1_ECDSA_Sig_Value;
  87
  88
  89
  90 static int
  91 dissect_pkcs1_INTEGER(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
  92   offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
  93                                                 NULL);
  94
  95   return offset;
  96 }
  97
  98
  99 static const ber_sequence_t RSAPublicKey_sequence[] = {
 100   { &hf_pkcs1_modulus       , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 101   { &hf_pkcs1_publicExponent, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 102   { NULL, 0, 0, 0, NULL }
 103 };
 104
 105 int
 106 dissect_pkcs1_RSAPublicKey(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 107   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 108                                    RSAPublicKey_sequence, hf_index, ett_pkcs1_RSAPublicKey);
 109
 110   return offset;
 111 }
 112
 113
 114
 115 static int
 116 dissect_pkcs1_DigestAlgorithmIdentifier(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 117   offset = dissect_x509af_AlgorithmIdentifier(implicit_tag, tvb, offset, actx, tree, hf_index);
 118
 119   return offset;
 120 }
 121
 122
 123
 124 static int
 125 dissect_pkcs1_Digest(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 126   offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
 127                                        NULL);
 128
 129   return offset;
 130 }
 131
 132
 133 static const ber_sequence_t DigestInfo_sequence[] = {
 134   { &hf_pkcs1_digestAlgorithm, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs1_DigestAlgorithmIdentifier },
 135   { &hf_pkcs1_digest        , BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_pkcs1_Digest },
 136   { NULL, 0, 0, 0, NULL }
 137 };
 138
 139 int
 140 dissect_pkcs1_DigestInfo(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 141   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 142                                    DigestInfo_sequence, hf_index, ett_pkcs1_DigestInfo);
 143
 144   return offset;
 145 }
 146
 147
 148 static const ber_sequence_t DSA_Params_sequence[] = {
 149   { &hf_pkcs1_p             , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 150   { &hf_pkcs1_q             , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 151   { &hf_pkcs1_g             , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 152   { NULL, 0, 0, 0, NULL }
 153 };
 154
 155 static int
 156 dissect_pkcs1_DSA_Params(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 157   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 158                                    DSA_Params_sequence, hf_index, ett_pkcs1_DSA_Params);
 159
 160   return offset;
 161 }
 162
 163
 164
 165
 166 static int
 167 dissect_pkcs1_BIT_STRING(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 168   offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset,
 169                                     NULL, 0, hf_index, -1,
 170                                     NULL);
 171
 172   return offset;
 173 }
 174
 175
 176 static const ber_sequence_t ValidationParams_sequence[] = {
 177   { &hf_pkcs1_seed          , BER_CLASS_UNI, BER_UNI_TAG_BITSTRING, BER_FLAGS_NOOWNTAG, dissect_pkcs1_BIT_STRING },
 178   { &hf_pkcs1_pgenCounter   , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 179   { NULL, 0, 0, 0, NULL }
 180 };
 181
 182 static int
 183 dissect_pkcs1_ValidationParams(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 184   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 185                                    ValidationParams_sequence, hf_index, ett_pkcs1_ValidationParams);
 186
 187   return offset;
 188 }
 189
 190
 191 static const ber_sequence_t DomainParameters_sequence[] = {
 192   { &hf_pkcs1_p             , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 193   { &hf_pkcs1_g             , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 194   { &hf_pkcs1_q             , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 195   { &hf_pkcs1_j             , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 196   { &hf_pkcs1_validationParams, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_pkcs1_ValidationParams },
 197   { NULL, 0, 0, 0, NULL }
 198 };
 199
 200 static int
 201 dissect_pkcs1_DomainParameters(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 202   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 203                                    DomainParameters_sequence, hf_index, ett_pkcs1_DomainParameters);
 204
 205   return offset;
 206 }
 207
 208
 209
 210
 211 static int
 212 dissect_pkcs1_KEA_Params_Id(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 213   offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
 214                                        NULL);
 215
 216   return offset;
 217 }
 218
 219
 220
 221 static int
 222 dissect_pkcs1_HashAlgorithm(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 223   offset = dissect_x509af_AlgorithmIdentifier(implicit_tag, tvb, offset, actx, tree, hf_index);
 224
 225   return offset;
 226 }
 227
 228
 229
 230 static int
 231 dissect_pkcs1_MaskGenAlgorithm(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 232   offset = dissect_x509af_AlgorithmIdentifier(implicit_tag, tvb, offset, actx, tree, hf_index);
 233
 234   return offset;
 235 }
 236
 237
 238 static const ber_sequence_t RSASSA_PSS_params_sequence[] = {
 239   { &hf_pkcs1_hashAlgorithm , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL, dissect_pkcs1_HashAlgorithm },
 240   { &hf_pkcs1_maskGenAlgorithm, BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_pkcs1_MaskGenAlgorithm },
 241   { &hf_pkcs1_saltLength    , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_pkcs1_INTEGER },
 242   { &hf_pkcs1_trailerField  , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_pkcs1_INTEGER },
 243   { NULL, 0, 0, 0, NULL }
 244 };
 245
 246 static int
 247 dissect_pkcs1_RSASSA_PSS_params(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 248   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 249                                    RSASSA_PSS_params_sequence, hf_index, ett_pkcs1_RSASSA_PSS_params);
 250
 251   return offset;
 252 }
 253
 254
 255
 256 static int
 257 dissect_pkcs1_ECPoint(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 258   offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
 259                                        NULL);
 260
 261   return offset;
 262 }
 263
 264
 265 static const value_string pkcs1_ECPVer_vals[] = {
 266   {   1, "ecpVer1" },
 267   { 0, NULL }
 268 };
 269
 270
 271 static int
 272 dissect_pkcs1_ECPVer(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 273   offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
 274                                                 NULL);
 275
 276   return offset;
 277 }
 278
 279
 280
 281 static int
 282 dissect_pkcs1_T_fieldType(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 283   offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &actx->external.direct_reference);
 284
 285   return offset;
 286 }
 287
 288
 289
 290 static int
 291 dissect_pkcs1_T_parameters(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 292   offset = call_ber_oid_callback(actx->external.direct_reference, tvb, offset, actx->pinfo, tree, NULL);
 293
 294
 295   return offset;
 296 }
 297
 298
 299 static const ber_sequence_t FieldID_sequence[] = {
 300   { &hf_pkcs1_fieldType     , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_pkcs1_T_fieldType },
 301   { &hf_pkcs1_parameters    , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_pkcs1_T_parameters },
 302   { NULL, 0, 0, 0, NULL }
 303 };
 304
 305 static int
 306 dissect_pkcs1_FieldID(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 307   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 308                                    FieldID_sequence, hf_index, ett_pkcs1_FieldID);
 309
 310   return offset;
 311 }
 312
 313
 314
 315 static int
 316 dissect_pkcs1_FieldElement(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 317   offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
 318                                        NULL);
 319
 320   return offset;
 321 }
 322
 323
 324 static const ber_sequence_t Curve_sequence[] = {
 325   { &hf_pkcs1_a             , BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_pkcs1_FieldElement },
 326   { &hf_pkcs1_b             , BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_pkcs1_FieldElement },
 327   { &hf_pkcs1_seed          , BER_CLASS_UNI, BER_UNI_TAG_BITSTRING, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_pkcs1_BIT_STRING },
 328   { NULL, 0, 0, 0, NULL }
 329 };
 330
 331 static int
 332 dissect_pkcs1_Curve(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 333   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 334                                    Curve_sequence, hf_index, ett_pkcs1_Curve);
 335
 336   return offset;
 337 }
 338
 339
 340 static const ber_sequence_t SpecifiedECDomain_sequence[] = {
 341   { &hf_pkcs1_version       , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_ECPVer },
 342   { &hf_pkcs1_fieldID       , BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs1_FieldID },
 343   { &hf_pkcs1_curve         , BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs1_Curve },
 344   { &hf_pkcs1_base          , BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_pkcs1_ECPoint },
 345   { &hf_pkcs1_order         , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 346   { &hf_pkcs1_cofactor      , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_pkcs1_INTEGER },
 347   { NULL, 0, 0, 0, NULL }
 348 };
 349
 350 static int
 351 dissect_pkcs1_SpecifiedECDomain(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 352   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
 353                                    SpecifiedECDomain_sequence, hf_index, ett_pkcs1_SpecifiedECDomain);
 354
 355   return offset;
 356 }
 357
 358
 359
 360 static int
 361 dissect_pkcs1_OBJECT_IDENTIFIER(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 362   offset = dissect_ber_object_identifier(implicit_tag, actx, tree, tvb, offset, hf_index, NULL);
 363
 364   return offset;
 365 }
 366
 367
 368 static const value_string pkcs1_ECParameters_vals[] = {
 369   {   0, "specifiedCurve" },
 370   {   1, "namedCurve" },
 371   { 0, NULL }
 372 };
 373
 374 static const ber_choice_t ECParameters_choice[] = {
 375   {   0, &hf_pkcs1_specifiedCurve, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs1_SpecifiedECDomain },
 376   {   1, &hf_pkcs1_namedCurve    , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_pkcs1_OBJECT_IDENTIFIER },
 377   { 0, NULL, 0, 0, 0, NULL }
 378 };
 379
 380 static int
 381 dissect_pkcs1_ECParameters(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 382   offset = dissect_ber_choice(actx, tree, tvb, offset,
 383                                  ECParameters_choice, hf_index, ett_pkcs1_ECParameters,
 384                                  NULL);
 385
 386   return offset;
 387 }
 388
 389
 390
 391 static int
 392 dissect_pkcs1_Prime_p(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
 393   offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
 394                                                 NULL);
 395
 396   return offset;
 397 }
 398
 399
 400
 401 /*--- PDUs ---*/
 402
 403 static int dissect_DSA_Params_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 404   int offset = 0;
 405   asn1_ctx_t asn1_ctx;
 406   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
 407   offset = dissect_pkcs1_DSA_Params(false, tvb, offset, &asn1_ctx, tree, hf_pkcs1_DSA_Params_PDU);
 408   return offset;
 409 }
 410 static int dissect_DomainParameters_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 411   int offset = 0;
 412   asn1_ctx_t asn1_ctx;
 413   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
 414   offset = dissect_pkcs1_DomainParameters(false, tvb, offset, &asn1_ctx, tree, hf_pkcs1_DomainParameters_PDU);
 415   return offset;
 416 }
 417 static int dissect_KEA_Params_Id_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 418   int offset = 0;
 419   asn1_ctx_t asn1_ctx;
 420   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
 421   offset = dissect_pkcs1_KEA_Params_Id(false, tvb, offset, &asn1_ctx, tree, hf_pkcs1_KEA_Params_Id_PDU);
 422   return offset;
 423 }
 424 static int dissect_HashAlgorithm_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 425   int offset = 0;
 426   asn1_ctx_t asn1_ctx;
 427   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
 428   offset = dissect_pkcs1_HashAlgorithm(false, tvb, offset, &asn1_ctx, tree, hf_pkcs1_HashAlgorithm_PDU);
 429   return offset;
 430 }
 431 static int dissect_RSASSA_PSS_params_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 432   int offset = 0;
 433   asn1_ctx_t asn1_ctx;
 434   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
 435   offset = dissect_pkcs1_RSASSA_PSS_params(false, tvb, offset, &asn1_ctx, tree, hf_pkcs1_RSASSA_PSS_params_PDU);
 436   return offset;
 437 }
 438 static int dissect_ECParameters_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 439   int offset = 0;
 440   asn1_ctx_t asn1_ctx;
 441   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
 442   offset = dissect_pkcs1_ECParameters(false, tvb, offset, &asn1_ctx, tree, hf_pkcs1_ECParameters_PDU);
 443   return offset;
 444 }
 445 static int dissect_Prime_p_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
 446   int offset = 0;
 447   asn1_ctx_t asn1_ctx;
 448   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, true, pinfo);
 449   offset = dissect_pkcs1_Prime_p(false, tvb, offset, &asn1_ctx, tree, hf_pkcs1_Prime_p_PDU);
 450   return offset;
 451 }
 452
 453
 454 /*--- proto_register_pkcs1 ----------------------------------------------*/
 455 void proto_register_pkcs1(void) {
 456
 457   /* List of fields */
 458   static hf_register_info hf[] = {
 459     { &hf_pkcs1_DSA_Params_PDU,
 460       { "DSA-Params", "pkcs1.DSA_Params_element",
 461         FT_NONE, BASE_NONE, NULL, 0,
 462         NULL, HFILL }},
 463     { &hf_pkcs1_DomainParameters_PDU,
 464       { "DomainParameters", "pkcs1.DomainParameters_element",
 465         FT_NONE, BASE_NONE, NULL, 0,
 466         NULL, HFILL }},
 467     { &hf_pkcs1_KEA_Params_Id_PDU,
 468       { "KEA-Params-Id", "pkcs1.KEA_Params_Id",
 469         FT_BYTES, BASE_NONE, NULL, 0,
 470         NULL, HFILL }},
 471     { &hf_pkcs1_HashAlgorithm_PDU,
 472       { "HashAlgorithm", "pkcs1.HashAlgorithm_element",
 473         FT_NONE, BASE_NONE, NULL, 0,
 474         NULL, HFILL }},
 475     { &hf_pkcs1_RSASSA_PSS_params_PDU,
 476       { "RSASSA-PSS-params", "pkcs1.RSASSA_PSS_params_element",
 477         FT_NONE, BASE_NONE, NULL, 0,
 478         NULL, HFILL }},
 479     { &hf_pkcs1_ECParameters_PDU,
 480       { "ECParameters", "pkcs1.ECParameters",
 481         FT_UINT32, BASE_DEC, VALS(pkcs1_ECParameters_vals), 0,
 482         NULL, HFILL }},
 483     { &hf_pkcs1_Prime_p_PDU,
 484       { "Prime-p", "pkcs1.Prime_p",
 485         FT_INT32, BASE_DEC, NULL, 0,
 486         NULL, HFILL }},
 487     { &hf_pkcs1_modulus,
 488       { "modulus", "pkcs1.modulus",
 489         FT_BYTES, BASE_NONE, NULL, 0,
 490         "INTEGER", HFILL }},
 491     { &hf_pkcs1_publicExponent,
 492       { "publicExponent", "pkcs1.publicExponent",
 493         FT_INT32, BASE_DEC, NULL, 0,
 494         "INTEGER", HFILL }},
 495     { &hf_pkcs1_digestAlgorithm,
 496       { "digestAlgorithm", "pkcs1.digestAlgorithm_element",
 497         FT_NONE, BASE_NONE, NULL, 0,
 498         "DigestAlgorithmIdentifier", HFILL }},
 499     { &hf_pkcs1_digest,
 500       { "digest", "pkcs1.digest",
 501         FT_BYTES, BASE_NONE, NULL, 0,
 502         NULL, HFILL }},
 503     { &hf_pkcs1_p,
 504       { "p", "pkcs1.p",
 505         FT_INT32, BASE_DEC, NULL, 0,
 506         "INTEGER", HFILL }},
 507     { &hf_pkcs1_q,
 508       { "q", "pkcs1.q",
 509         FT_INT32, BASE_DEC, NULL, 0,
 510         "INTEGER", HFILL }},
 511     { &hf_pkcs1_g,
 512       { "g", "pkcs1.g",
 513         FT_INT32, BASE_DEC, NULL, 0,
 514         "INTEGER", HFILL }},
 515     { &hf_pkcs1_j,
 516       { "j", "pkcs1.j",
 517         FT_INT32, BASE_DEC, NULL, 0,
 518         "INTEGER", HFILL }},
 519     { &hf_pkcs1_validationParams,
 520       { "validationParams", "pkcs1.validationParams_element",
 521         FT_NONE, BASE_NONE, NULL, 0,
 522         NULL, HFILL }},
 523     { &hf_pkcs1_seed,
 524       { "seed", "pkcs1.seed",
 525         FT_BYTES, BASE_NONE, NULL, 0,
 526         "BIT_STRING", HFILL }},
 527     { &hf_pkcs1_pgenCounter,
 528       { "pgenCounter", "pkcs1.pgenCounter",
 529         FT_INT32, BASE_DEC, NULL, 0,
 530         "INTEGER", HFILL }},
 531     { &hf_pkcs1_hashAlgorithm,
 532       { "hashAlgorithm", "pkcs1.hashAlgorithm_element",
 533         FT_NONE, BASE_NONE, NULL, 0,
 534         NULL, HFILL }},
 535     { &hf_pkcs1_maskGenAlgorithm,
 536       { "maskGenAlgorithm", "pkcs1.maskGenAlgorithm_element",
 537         FT_NONE, BASE_NONE, NULL, 0,
 538         NULL, HFILL }},
 539     { &hf_pkcs1_saltLength,
 540       { "saltLength", "pkcs1.saltLength",
 541         FT_INT32, BASE_DEC, NULL, 0,
 542         "INTEGER", HFILL }},
 543     { &hf_pkcs1_trailerField,
 544       { "trailerField", "pkcs1.trailerField",
 545         FT_INT32, BASE_DEC, NULL, 0,
 546         "INTEGER", HFILL }},
 547     { &hf_pkcs1_specifiedCurve,
 548       { "specifiedCurve", "pkcs1.specifiedCurve_element",
 549         FT_NONE, BASE_NONE, NULL, 0,
 550         "SpecifiedECDomain", HFILL }},
 551     { &hf_pkcs1_namedCurve,
 552       { "namedCurve", "pkcs1.namedCurve",
 553         FT_OID, BASE_NONE, NULL, 0,
 554         "OBJECT_IDENTIFIER", HFILL }},
 555     { &hf_pkcs1_version,
 556       { "version", "pkcs1.version",
 557         FT_INT32, BASE_DEC, VALS(pkcs1_ECPVer_vals), 0,
 558         "ECPVer", HFILL }},
 559     { &hf_pkcs1_fieldID,
 560       { "fieldID", "pkcs1.fieldID_element",
 561         FT_NONE, BASE_NONE, NULL, 0,
 562         NULL, HFILL }},
 563     { &hf_pkcs1_curve,
 564       { "curve", "pkcs1.curve_element",
 565         FT_NONE, BASE_NONE, NULL, 0,
 566         NULL, HFILL }},
 567     { &hf_pkcs1_base,
 568       { "base", "pkcs1.base",
 569         FT_BYTES, BASE_NONE, NULL, 0,
 570         "ECPoint", HFILL }},
 571     { &hf_pkcs1_order,
 572       { "order", "pkcs1.order",
 573         FT_INT32, BASE_DEC, NULL, 0,
 574         "INTEGER", HFILL }},
 575     { &hf_pkcs1_cofactor,
 576       { "cofactor", "pkcs1.cofactor",
 577         FT_INT32, BASE_DEC, NULL, 0,
 578         "INTEGER", HFILL }},
 579     { &hf_pkcs1_fieldType,
 580       { "fieldType", "pkcs1.fieldType",
 581         FT_OID, BASE_NONE, NULL, 0,
 582         NULL, HFILL }},
 583     { &hf_pkcs1_parameters,
 584       { "parameters", "pkcs1.parameters_element",
 585         FT_NONE, BASE_NONE, NULL, 0,
 586         NULL, HFILL }},
 587     { &hf_pkcs1_a,
 588       { "a", "pkcs1.a",
 589         FT_BYTES, BASE_NONE, NULL, 0,
 590         "FieldElement", HFILL }},
 591     { &hf_pkcs1_b,
 592       { "b", "pkcs1.b",
 593         FT_BYTES, BASE_NONE, NULL, 0,
 594         "FieldElement", HFILL }},
 595     { &hf_pkcs1_r,
 596       { "r", "pkcs1.r",
 597         FT_INT32, BASE_DEC, NULL, 0,
 598         "INTEGER", HFILL }},
 599     { &hf_pkcs1_s,
 600       { "s", "pkcs1.s",
 601         FT_INT32, BASE_DEC, NULL, 0,
 602         "INTEGER", HFILL }},
 603   };
 604
 605   /* List of subtrees */
 606   static int *ett[] = {
 607     &ett_pkcs1_RSAPublicKey,
 608     &ett_pkcs1_DigestInfo,
 609     &ett_pkcs1_DSA_Params,
 610     &ett_pkcs1_DomainParameters,
 611     &ett_pkcs1_ValidationParams,
 612     &ett_pkcs1_RSASSA_PSS_params,
 613     &ett_pkcs1_ECParameters,
 614     &ett_pkcs1_SpecifiedECDomain,
 615     &ett_pkcs1_FieldID,
 616     &ett_pkcs1_Curve,
 617     &ett_pkcs1_DSA_Sig_Value,
 618     &ett_pkcs1_ECDSA_Sig_Value,
 619   };
 620
 621   /* Register protocol */
 622   proto_pkcs1 = proto_register_protocol(PNAME, PSNAME, PFNAME);
 623
 624   /* Register fields and subtrees */
 625   proto_register_field_array(proto_pkcs1, hf, array_length(hf));
 626   proto_register_subtree_array(ett, array_length(ett));
 627
 628 }
 629
 630
 631 /*--- proto_reg_handoff_pkcs1 -------------------------------------------*/
 632 void proto_reg_handoff_pkcs1(void) {
 633   register_ber_oid_dissector("1.2.840.10040.4.1", dissect_DSA_Params_PDU, proto_pkcs1, "id-dsa");
 634   register_ber_oid_dissector("1.2.840.10046.2.1", dissect_DomainParameters_PDU, proto_pkcs1, "dhpublicnumber");
 635   register_ber_oid_dissector("2.16.840.1.101.2.1.1.22", dissect_KEA_Params_Id_PDU, proto_pkcs1, "id-keyExchangeAlgorithm");
 636   register_ber_oid_dissector("1.2.840.10045.2.1", dissect_ECParameters_PDU, proto_pkcs1, "id-ecPublicKey");
 637   register_ber_oid_dissector("1.3.132.1.12", dissect_ECParameters_PDU, proto_pkcs1, "id-ecDH");
 638   register_ber_oid_dissector("1.2.840.10045.2.13", dissect_ECParameters_PDU, proto_pkcs1, "id-ecMQV");
 639   register_ber_oid_dissector("1.2.840.113549.1.1.10", dissect_RSASSA_PSS_params_PDU, proto_pkcs1, "id-RSASSA-PSS");
 640   register_ber_oid_dissector("1.2.840.113549.1.1.8", dissect_HashAlgorithm_PDU, proto_pkcs1, "id-mgf1");
 641   register_ber_oid_dissector("1.2.840.10045.1.1", dissect_Prime_p_PDU, proto_pkcs1, "prime-field");
 642
 643
 644         register_ber_oid_dissector("1.2.840.113549.2.2", dissect_ber_oid_NULL_callback, proto_pkcs1, "md2");
 645         register_ber_oid_dissector("1.2.840.113549.2.4", dissect_ber_oid_NULL_callback, proto_pkcs1, "md4");
 646         register_ber_oid_dissector("1.2.840.113549.2.5", dissect_ber_oid_NULL_callback, proto_pkcs1, "md5");
 647
 648         register_ber_oid_dissector("1.2.840.113549.1.1.1", dissect_ber_oid_NULL_callback, proto_pkcs1, "rsaEncryption");
 649         register_ber_oid_dissector("1.2.840.113549.1.1.2", dissect_ber_oid_NULL_callback, proto_pkcs1, "md2WithRSAEncryption");
 650         register_ber_oid_dissector("1.2.840.113549.1.1.3", dissect_ber_oid_NULL_callback, proto_pkcs1, "md4WithRSAEncryption");
 651         register_ber_oid_dissector("1.2.840.113549.1.1.4", dissect_ber_oid_NULL_callback, proto_pkcs1, "md5WithRSAEncryption");
 652
 653
 654         /* these two are not from RFC2313  but pulled in from
 655            http://www.alvestrand.no/objectid/1.2.840.113549.1.1.html
 656         */
 657         register_ber_oid_dissector("1.2.840.113549.1.1.5", dissect_ber_oid_NULL_callback, proto_pkcs1, "sha1WithRSAEncryption");
 658         register_ber_oid_dissector("1.2.840.113549.1.1.6", dissect_ber_oid_NULL_callback, proto_pkcs1, "rsaOAEPEncryptionSET");
 659
 660         /* these sha2 algorithms are from RFC3447 */
 661         register_ber_oid_dissector("1.2.840.113549.1.1.11", dissect_ber_oid_NULL_callback, proto_pkcs1, "sha256WithRSAEncryption");
 662         register_ber_oid_dissector("1.2.840.113549.1.1.12", dissect_ber_oid_NULL_callback, proto_pkcs1, "sha384WithRSAEncryption");
 663         register_ber_oid_dissector("1.2.840.113549.1.1.13", dissect_ber_oid_NULL_callback, proto_pkcs1, "sha512WithRSAEncryption");
 664         register_ber_oid_dissector("1.2.840.113549.1.1.14", dissect_ber_oid_NULL_callback, proto_pkcs1, "sha224WithRSAEncryption");
 665
 666         /* ECDSA SHA-1 algorithm from RFC 3279 */
 667         register_ber_oid_dissector("1.2.840.10045.4.1", dissect_ber_oid_NULL_callback, proto_pkcs1, "ecdsa-with-SHA1");
 668
 669         /* SM2-with-SM3 from GM/T 0006 Cryptographic application identifier criterion specification */
 670         register_ber_oid_dissector("1.2.156.10197.1.501", dissect_ber_oid_NULL_callback, proto_pkcs1, "SM2-with-SM3");
 671
 672         /* ECDSA SHA2 algorithms from X9.62, RFC5480, RFC 5758, RFC 5912 */
 673         register_ber_oid_dissector("1.2.840.10045.4.3.1", dissect_ber_oid_NULL_callback, proto_pkcs1, "ecdsa-with-SHA224");
 674         register_ber_oid_dissector("1.2.840.10045.4.3.2", dissect_ber_oid_NULL_callback, proto_pkcs1, "ecdsa-with-SHA256");
 675         register_ber_oid_dissector("1.2.840.10045.4.3.3", dissect_ber_oid_NULL_callback, proto_pkcs1, "ecdsa-with-SHA384");
 676         register_ber_oid_dissector("1.2.840.10045.4.3.4", dissect_ber_oid_NULL_callback, proto_pkcs1, "ecdsa-with-SHA512");
 677
 678         /* DSA SHA2 algorithms from FIPS186-3, RFC5480, RFC 5758, RFC 5912 */
 679         register_ber_oid_dissector("2.16.840.1.101.3.4.3.1", dissect_ber_oid_NULL_callback, proto_pkcs1, "id-dsa-with-sha224");
 680         register_ber_oid_dissector("2.16.840.1.101.3.4.3.2", dissect_ber_oid_NULL_callback, proto_pkcs1, "id-dsa-with-sha256");
 681
 682         oid_add_from_string("secp192r1","1.2.840.10045.3.1.1");
 683         oid_add_from_string("sect163k1","1.3.132.0.1");
 684         oid_add_from_string("sect163r2","1.3.132.0.15");
 685         oid_add_from_string("secp224r1","1.3.132.0.33");
 686         oid_add_from_string("sect233k1","1.3.132.0.26");
 687         oid_add_from_string("sect233r1","1.3.132.0.27");
 688         oid_add_from_string("secp256r1","1.2.840.10045.3.1.7");
 689         oid_add_from_string("sect283k1","1.3.132.0.16");
 690         oid_add_from_string("sect283r1","1.3.132.0.17");
 691         oid_add_from_string("secp384r1","1.3.132.0.34");
 692         oid_add_from_string("sect409k1","1.3.132.0.36");
 693         oid_add_from_string("sect409r1","1.3.132.0.37");
 694         oid_add_from_string("secp521r1","1.3.132.0.35");
 695         oid_add_from_string("sect571k1","1.3.132.0.38");
 696         oid_add_from_string("sect571r1","1.3.132.0.39");
 697
 698         /* SM2 from GM/T 0006 Cryptographic application identifier criterion specification */
 699         oid_add_from_string("sm2","1.2.156.10197.1.301");
 700
 701         /* sha2 family, see RFC3447 and http://www.oid-info.com/get/2.16.840.1.101.3.4.2 */
 702         oid_add_from_string("sha256", "2.16.840.1.101.3.4.2.1");
 703         oid_add_from_string("sha384", "2.16.840.1.101.3.4.2.2");
 704         oid_add_from_string("sha512", "2.16.840.1.101.3.4.2.3");
 705         oid_add_from_string("sha224", "2.16.840.1.101.3.4.2.4");
 706
 707         /* SM3 from GM/T 0006 Cryptographic application identifier criterion specification */
 708         oid_add_from_string("sm3","1.2.156.10197.1.401");
 709
 710         /* PQC digital signature algorithms from OQS-OpenSSL,
 711                 see https://github.com/open-quantum-safe/openssl/blob/OQS-OpenSSL_1_1_1-stable/oqs-template/oqs-sig-info.md */
 712         oid_add_from_string("dilithium2", "1.3.6.1.4.1.2.267.7.4.4");
 713         oid_add_from_string("p256_dilithium2", "1.3.9999.2.7.1");
 714         oid_add_from_string("rsa3072_dilithium2", "1.3.9999.2.7.2");
 715         oid_add_from_string("dilithium3", "1.3.6.1.4.1.2.267.7.6.5");
 716         oid_add_from_string("p384_dilithium3", "1.3.9999.2.7.3");
 717         oid_add_from_string("dilithium5", "1.3.6.1.4.1.2.267.7.8.7");
 718         oid_add_from_string("p521_dilithium5", "1.3.9999.2.7.4");
 719         oid_add_from_string("dilithium2_aes", "1.3.6.1.4.1.2.267.11.4.4");
 720         oid_add_from_string("p256_dilithium2_aes", "1.3.9999.2.11.1");
 721         oid_add_from_string("rsa3072_dilithium2_aes", "1.3.9999.2.11.2");
 722         oid_add_from_string("dilithium3_aes", "1.3.6.1.4.1.2.267.11.6.5");
 723         oid_add_from_string("p384_dilithium3_aes", "1.3.9999.2.11.3");
 724         oid_add_from_string("dilithium5_aes", "1.3.6.1.4.1.2.267.11.8.7");
 725         oid_add_from_string("p521_dilithium5_aes", "1.3.9999.2.11.4");
 726         oid_add_from_string("falcon512", "1.3.9999.3.1");
 727         oid_add_from_string("p256_falcon512", "1.3.9999.3.2");
 728         oid_add_from_string("rsa3072_falcon512", "1.3.9999.3.3");
 729         oid_add_from_string("falcon1024", "1.3.9999.3.4");
 730         oid_add_from_string("p521_falcon1024", "1.3.9999.3.5");
 731         oid_add_from_string("picnicl1full", "1.3.6.1.4.1.311.89.2.1.7");
 732         oid_add_from_string("p256_picnicl1full", "1.3.6.1.4.1.311.89.2.1.8");
 733         oid_add_from_string("rsa3072_picnicl1full", "1.3.6.1.4.1.311.89.2.1.9");
 734         oid_add_from_string("picnic3l1", "1.3.6.1.4.1.311.89.2.1.21");
 735         oid_add_from_string("p256_picnic3l1", "1.3.6.1.4.1.311.89.2.1.22");
 736         oid_add_from_string("rsa3072_picnic3l1", "1.3.6.1.4.1.311.89.2.1.23");
 737         oid_add_from_string("rainbowIclassic", "1.3.9999.5.1.1.1");
 738         oid_add_from_string("p256_rainbowIclassic", "1.3.9999.5.1.2.1");
 739         oid_add_from_string("rsa3072_rainbowIclassic", "1.3.9999.5.1.3.1");
 740         oid_add_from_string("rainbowVclassic", "1.3.9999.5.3.1.1");
 741         oid_add_from_string("p521_rainbowVclassic", "1.3.9999.5.3.2.1");
 742         oid_add_from_string("sphincsharaka128frobust", "1.3.9999.6.1.1");
 743         oid_add_from_string("p256_sphincsharaka128frobust", "1.3.9999.6.1.2");
 744         oid_add_from_string("rsa3072_sphincsharaka128frobust", "1.3.9999.6.1.3");
 745         oid_add_from_string("sphincssha256128frobust", "1.3.9999.6.4.1");
 746         oid_add_from_string("p256_sphincssha256128frobust", "1.3.9999.6.4.2");
 747         oid_add_from_string("rsa3072_sphincssha256128frobust", "1.3.9999.6.4.3");
 748         oid_add_from_string("sphincsshake256128frobust", "1.3.9999.6.7.1");
 749         oid_add_from_string("p256_sphincsshake256128frobust", "1.3.9999.6.7.2");
 750         oid_add_from_string("rsa3072_sphincsshake256128frobust", "1.3.9999.6.7.3");
 751
 752 }
 753