1#! /usr/bin/env perl 2# Copyright 2023-2024 The OpenSSL Project Authors. All Rights Reserved. 3# 4# Licensed under the Apache License 2.0 (the "License"). You may not use 5# this file except in compliance with the License. You can obtain a copy 6# in the file LICENSE in the source distribution or at 7# https://www.openssl.org/source/license.html 8 9package OpenSSL::paramnames; 10 11use strict; 12use warnings; 13 14require Exporter; 15our @ISA = qw(Exporter); 16our @EXPORT_OK = qw(generate_public_macros 17 generate_internal_macros 18 produce_decoder); 19 20my $case_sensitive = 1; 21 22my %params = ( 23# Well known parameter names that core passes to providers 24 'PROV_PARAM_CORE_VERSION' => "openssl-version",# utf8_ptr 25 'PROV_PARAM_CORE_PROV_NAME' => "provider-name", # utf8_ptr 26 'PROV_PARAM_CORE_MODULE_FILENAME' => "module-filename",# utf8_ptr 27 28# Well known parameter names that Providers can define 29 'PROV_PARAM_NAME' => "name", # utf8_ptr 30 'PROV_PARAM_VERSION' => "version", # utf8_ptr 31 'PROV_PARAM_BUILDINFO' => "buildinfo", # utf8_ptr 32 'PROV_PARAM_STATUS' => "status", # uint 33 'PROV_PARAM_SECURITY_CHECKS' => "security-checks", # uint 34 'PROV_PARAM_HMAC_KEY_CHECK' => "hmac-key-check", # uint 35 'PROV_PARAM_KMAC_KEY_CHECK' => "kmac-key-check", # uint 36 'PROV_PARAM_TLS1_PRF_EMS_CHECK' => "tls1-prf-ems-check", # uint 37 'PROV_PARAM_NO_SHORT_MAC' => "no-short-mac", # uint 38 'PROV_PARAM_DRBG_TRUNC_DIGEST' => "drbg-no-trunc-md", # uint 39 'PROV_PARAM_HKDF_DIGEST_CHECK' => "hkdf-digest-check", # uint 40 'PROV_PARAM_TLS13_KDF_DIGEST_CHECK' => "tls13-kdf-digest-check", # uint 41 'PROV_PARAM_TLS1_PRF_DIGEST_CHECK' => "tls1-prf-digest-check", # uint 42 'PROV_PARAM_SSHKDF_DIGEST_CHECK' => "sshkdf-digest-check", # uint 43 'PROV_PARAM_SSKDF_DIGEST_CHECK' => "sskdf-digest-check", # uint 44 'PROV_PARAM_X963KDF_DIGEST_CHECK' => "x963kdf-digest-check", # uint 45 'PROV_PARAM_DSA_SIGN_DISABLED' => "dsa-sign-disabled", # uint 46 'PROV_PARAM_TDES_ENCRYPT_DISABLED' => "tdes-encrypt-disabled", # uint 47 'PROV_PARAM_RSA_PSS_SALTLEN_CHECK' => "rsa-pss-saltlen-check", # uint 48 'PROV_PARAM_RSA_SIGN_X931_PAD_DISABLED' => "rsa-sign-x931-pad-disabled", # uint 49 'PROV_PARAM_RSA_PKCS15_PAD_DISABLED' => "rsa-pkcs15-pad-disabled", # uint 50 'PROV_PARAM_HKDF_KEY_CHECK' => "hkdf-key-check", # uint 51 'PROV_PARAM_KBKDF_KEY_CHECK' => "kbkdf-key-check", # uint 52 'PROV_PARAM_TLS13_KDF_KEY_CHECK' => "tls13-kdf-key-check", # uint 53 'PROV_PARAM_TLS1_PRF_KEY_CHECK' => "tls1-prf-key-check", # uint 54 'PROV_PARAM_SSHKDF_KEY_CHECK' => "sshkdf-key-check", # uint 55 'PROV_PARAM_SSKDF_KEY_CHECK' => "sskdf-key-check", # uint 56 'PROV_PARAM_X963KDF_KEY_CHECK' => "x963kdf-key-check", # uint 57 'PROV_PARAM_PBKDF2_LOWER_BOUND_CHECK' => "pbkdf2-lower-bound-check", # uint 58 'PROV_PARAM_ECDH_COFACTOR_CHECK' => "ecdh-cofactor-check", # uint 59 'PROV_PARAM_SIGNATURE_DIGEST_CHECK' => "signature-digest-check", # uint 60 61# Self test callback parameters 62 'PROV_PARAM_SELF_TEST_PHASE' => "st-phase",# utf8_string 63 'PROV_PARAM_SELF_TEST_TYPE' => "st-type", # utf8_string 64 'PROV_PARAM_SELF_TEST_DESC' => "st-desc", # utf8_string 65 66# Provider-native object abstractions 67# 68# These are used when a provider wants to pass object data or an object 69# reference back to libcrypto. This is only useful for provider functions 70# that take a callback to which an PARAM array with these parameters 71# can be passed. 72# 73# This set of parameter names is explained in detail in provider-object(7) 74# (doc/man7/provider-object.pod) 75 76 'OBJECT_PARAM_TYPE' => "type", # INTEGER 77 'OBJECT_PARAM_DATA_TYPE' => "data-type",# UTF8_STRING 78 'OBJECT_PARAM_DATA_STRUCTURE' => "data-structure",# UTF8_STRING 79 'OBJECT_PARAM_REFERENCE' => "reference",# OCTET_STRING 80 'OBJECT_PARAM_DATA' => "data",# OCTET_STRING or UTF8_STRING 81 'OBJECT_PARAM_DESC' => "desc", # UTF8_STRING 82 83# Algorithm parameters 84# If "engine",or "properties",are specified, they should always be paired 85# with the algorithm type. 86# Note these are common names that are shared by many types (such as kdf, mac, 87# and pkey) e.g: see MAC_PARAM_DIGEST below. 88 89 'ALG_PARAM_DIGEST' => "digest", # utf8_string 90 'ALG_PARAM_CIPHER' => "cipher", # utf8_string 91 'ALG_PARAM_ENGINE' => "engine", # utf8_string 92 'ALG_PARAM_MAC' => "mac", # utf8_string 93 'ALG_PARAM_PROPERTIES' => "properties", # utf8_string 94 'ALG_PARAM_FIPS_APPROVED_INDICATOR' => 'fips-indicator', # int, -1, 0 or 1 95 96 # For any operation that deals with AlgorithmIdentifier, they should 97 # implement both of these. 98 # ALG_PARAM_ALGORITHM_ID is intended to be gettable, and is the 99 # implementation's idea of what its full AlgID should look like. 100 # ALG_PARAM_ALGORITHM_ID_PARAMS is intended to be both settable 101 # and gettable, to allow the calling application to pass or get 102 # AlgID parameters to and from the provided implementation. 103 'ALG_PARAM_ALGORITHM_ID' => "algorithm-id", # octet_string (DER) 104 'ALG_PARAM_ALGORITHM_ID_PARAMS' => "algorithm-id-params", # octet_string 105 106# cipher parameters 107 'CIPHER_PARAM_PADDING' => "padding", # uint 108 'CIPHER_PARAM_USE_BITS' => "use-bits", # uint 109 'CIPHER_PARAM_TLS_VERSION' => "tls-version", # uint 110 'CIPHER_PARAM_TLS_MAC' => "tls-mac", # octet_ptr 111 'CIPHER_PARAM_TLS_MAC_SIZE' => "tls-mac-size",# size_t 112 'CIPHER_PARAM_MODE' => "mode", # uint 113 'CIPHER_PARAM_BLOCK_SIZE' => "blocksize", # size_t 114 'CIPHER_PARAM_AEAD' => "aead", # int, 0 or 1 115 'CIPHER_PARAM_CUSTOM_IV' => "custom-iv", # int, 0 or 1 116 'CIPHER_PARAM_CTS' => "cts", # int, 0 or 1 117 'CIPHER_PARAM_TLS1_MULTIBLOCK' => "tls-multi", # int, 0 or 1 118 'CIPHER_PARAM_HAS_RAND_KEY' => "has-randkey", # int, 0 or 1 119 'CIPHER_PARAM_KEYLEN' => "keylen", # size_t 120 'CIPHER_PARAM_IVLEN' => "ivlen", # size_t 121 'CIPHER_PARAM_IV' => "iv", # octet_string OR octet_ptr 122 'CIPHER_PARAM_UPDATED_IV' => "updated-iv", # octet_string OR octet_ptr 123 'CIPHER_PARAM_NUM' => "num", # uint 124 'CIPHER_PARAM_ROUNDS' => "rounds", # uint 125 'CIPHER_PARAM_AEAD_TAG' => "tag", # octet_string 126 'CIPHER_PARAM_AEAD_TLS1_AAD' => "tlsaad", # octet_string 127 'CIPHER_PARAM_AEAD_TLS1_AAD_PAD' => "tlsaadpad", # size_t 128 'CIPHER_PARAM_AEAD_TLS1_IV_FIXED' => "tlsivfixed", # octet_string 129 'CIPHER_PARAM_AEAD_TLS1_GET_IV_GEN' => "tlsivgen", # octet_string 130 'CIPHER_PARAM_AEAD_TLS1_SET_IV_INV' => "tlsivinv", # octet_string 131 'CIPHER_PARAM_AEAD_IVLEN' => '*CIPHER_PARAM_IVLEN', 132 'CIPHER_PARAM_AEAD_IV_GENERATED' => "iv-generated", # uint 133 'CIPHER_PARAM_AEAD_TAGLEN' => "taglen", # size_t 134 'CIPHER_PARAM_AEAD_MAC_KEY' => "mackey", # octet_string 135 'CIPHER_PARAM_RANDOM_KEY' => "randkey", # octet_string 136 'CIPHER_PARAM_RC2_KEYBITS' => "keybits", # size_t 137 'CIPHER_PARAM_SPEED' => "speed", # uint 138 'CIPHER_PARAM_CTS_MODE' => "cts_mode", # utf8_string 139 'CIPHER_PARAM_DECRYPT_ONLY' => "decrypt-only", # int, 0 or 1 140 'CIPHER_PARAM_FIPS_ENCRYPT_CHECK' => "encrypt-check", # int 141 'CIPHER_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 142 'CIPHER_PARAM_ALGORITHM_ID' => '*ALG_PARAM_ALGORITHM_ID', 143 # Historically, CIPHER_PARAM_ALGORITHM_ID_PARAMS_OLD was used. For the 144 # time being, the old libcrypto functions will use both, so old providers 145 # continue to work. 146 # New providers are encouraged to use CIPHER_PARAM_ALGORITHM_ID_PARAMS. 147 'CIPHER_PARAM_ALGORITHM_ID_PARAMS' => '*ALG_PARAM_ALGORITHM_ID_PARAMS', 148 'CIPHER_PARAM_ALGORITHM_ID_PARAMS_OLD' => "alg_id_param", # octet_string 149 'CIPHER_PARAM_XTS_STANDARD' => "xts_standard",# utf8_string 150 151 'CIPHER_PARAM_TLS1_MULTIBLOCK_MAX_SEND_FRAGMENT' => "tls1multi_maxsndfrag",# uint 152 'CIPHER_PARAM_TLS1_MULTIBLOCK_MAX_BUFSIZE' => "tls1multi_maxbufsz", # size_t 153 'CIPHER_PARAM_TLS1_MULTIBLOCK_INTERLEAVE' => "tls1multi_interleave",# uint 154 'CIPHER_PARAM_TLS1_MULTIBLOCK_AAD' => "tls1multi_aad", # octet_string 155 'CIPHER_PARAM_TLS1_MULTIBLOCK_AAD_PACKLEN' => "tls1multi_aadpacklen",# uint 156 'CIPHER_PARAM_TLS1_MULTIBLOCK_ENC' => "tls1multi_enc", # octet_string 157 'CIPHER_PARAM_TLS1_MULTIBLOCK_ENC_IN' => "tls1multi_encin", # octet_string 158 'CIPHER_PARAM_TLS1_MULTIBLOCK_ENC_LEN' => "tls1multi_enclen", # size_t 159 160# digest parameters 161 'DIGEST_PARAM_XOFLEN' => "xoflen", # size_t 162 'DIGEST_PARAM_SSL3_MS' => "ssl3-ms", # octet string 163 'DIGEST_PARAM_PAD_TYPE' => "pad-type", # uint 164 'DIGEST_PARAM_MICALG' => "micalg", # utf8 string 165 'DIGEST_PARAM_BLOCK_SIZE' => "blocksize", # size_t 166 'DIGEST_PARAM_SIZE' => "size", # size_t 167 'DIGEST_PARAM_XOF' => "xof", # int, 0 or 1 168 'DIGEST_PARAM_ALGID_ABSENT' => "algid-absent", # int, 0 or 1 169 170# MAC parameters 171 'MAC_PARAM_KEY' => "key", # octet string 172 'MAC_PARAM_IV' => "iv", # octet string 173 'MAC_PARAM_CUSTOM' => "custom", # utf8 string 174 'MAC_PARAM_SALT' => "salt", # octet string 175 'MAC_PARAM_XOF' => "xof", # int, 0 or 1 176 'MAC_PARAM_DIGEST_NOINIT' => "digest-noinit", # int, 0 or 1 177 'MAC_PARAM_DIGEST_ONESHOT' => "digest-oneshot",# int, 0 or 1 178 'MAC_PARAM_C_ROUNDS' => "c-rounds", # unsigned int 179 'MAC_PARAM_D_ROUNDS' => "d-rounds", # unsigned int 180 181# If "engine",or "properties",are specified, they should always be paired 182# with "cipher",or "digest". 183 184 'MAC_PARAM_CIPHER' => '*ALG_PARAM_CIPHER', # utf8 string 185 'MAC_PARAM_DIGEST' => '*ALG_PARAM_DIGEST', # utf8 string 186 'MAC_PARAM_PROPERTIES' => '*ALG_PARAM_PROPERTIES', # utf8 string 187 'MAC_PARAM_SIZE' => "size", # size_t 188 'MAC_PARAM_BLOCK_SIZE' => "block-size", # size_t 189 'MAC_PARAM_TLS_DATA_SIZE' => "tls-data-size", # size_t 190 'MAC_PARAM_FIPS_NO_SHORT_MAC' =>'*PROV_PARAM_NO_SHORT_MAC', 191 'MAC_PARAM_FIPS_KEY_CHECK' => '*PKEY_PARAM_FIPS_KEY_CHECK', 192 'MAC_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 193 'MAC_PARAM_FIPS_NO_SHORT_MAC' => '*PROV_PARAM_NO_SHORT_MAC', 194 195# KDF / PRF parameters 196 'KDF_PARAM_SECRET' => "secret", # octet string 197 'KDF_PARAM_KEY' => "key", # octet string 198 'KDF_PARAM_SALT' => "salt", # octet string 199 'KDF_PARAM_PASSWORD' => "pass", # octet string 200 'KDF_PARAM_PREFIX' => "prefix", # octet string 201 'KDF_PARAM_LABEL' => "label", # octet string 202 'KDF_PARAM_DATA' => "data", # octet string 203 'KDF_PARAM_DIGEST' => '*ALG_PARAM_DIGEST', # utf8 string 204 'KDF_PARAM_CIPHER' => '*ALG_PARAM_CIPHER', # utf8 string 205 'KDF_PARAM_MAC' => '*ALG_PARAM_MAC', # utf8 string 206 'KDF_PARAM_MAC_SIZE' => "maclen", # size_t 207 'KDF_PARAM_PROPERTIES' => '*ALG_PARAM_PROPERTIES', # utf8 string 208 'KDF_PARAM_ITER' => "iter", # unsigned int 209 'KDF_PARAM_MODE' => "mode", # utf8 string or int 210 'KDF_PARAM_PKCS5' => "pkcs5", # int 211 'KDF_PARAM_UKM' => "ukm", # octet string 212 'KDF_PARAM_CEK_ALG' => "cekalg", # utf8 string 213 'KDF_PARAM_SCRYPT_N' => "n", # uint64_t 214 'KDF_PARAM_SCRYPT_R' => "r", # uint32_t 215 'KDF_PARAM_SCRYPT_P' => "p", # uint32_t 216 'KDF_PARAM_SCRYPT_MAXMEM' => "maxmem_bytes", # uint64_t 217 'KDF_PARAM_INFO' => "info", # octet string 218 'KDF_PARAM_SEED' => "seed", # octet string 219 'KDF_PARAM_SSHKDF_XCGHASH' => "xcghash", # octet string 220 'KDF_PARAM_SSHKDF_SESSION_ID' => "session_id", # octet string 221 'KDF_PARAM_SSHKDF_TYPE' => "type", # int 222 'KDF_PARAM_SIZE' => "size", # size_t 223 'KDF_PARAM_CONSTANT' => "constant", # octet string 224 'KDF_PARAM_PKCS12_ID' => "id", # int 225 'KDF_PARAM_KBKDF_USE_L' => "use-l", # int 226 'KDF_PARAM_KBKDF_USE_SEPARATOR' => "use-separator", # int 227 'KDF_PARAM_KBKDF_R' => "r", # int 228 'KDF_PARAM_X942_ACVPINFO' => "acvp-info", 229 'KDF_PARAM_X942_PARTYUINFO' => "partyu-info", 230 'KDF_PARAM_X942_PARTYVINFO' => "partyv-info", 231 'KDF_PARAM_X942_SUPP_PUBINFO' => "supp-pubinfo", 232 'KDF_PARAM_X942_SUPP_PRIVINFO' => "supp-privinfo", 233 'KDF_PARAM_X942_USE_KEYBITS' => "use-keybits", 234 'KDF_PARAM_HMACDRBG_ENTROPY' => "entropy", 235 'KDF_PARAM_HMACDRBG_NONCE' => "nonce", 236 'KDF_PARAM_THREADS' => "threads", # uint32_t 237 'KDF_PARAM_EARLY_CLEAN' => "early_clean", # uint32_t 238 'KDF_PARAM_ARGON2_AD' => "ad", # octet string 239 'KDF_PARAM_ARGON2_LANES' => "lanes", # uint32_t 240 'KDF_PARAM_ARGON2_MEMCOST' => "memcost", # uint32_t 241 'KDF_PARAM_ARGON2_VERSION' => "version", # uint32_t 242 'KDF_PARAM_FIPS_EMS_CHECK' => "ems_check", # int 243 'KDF_PARAM_FIPS_DIGEST_CHECK' => '*PKEY_PARAM_FIPS_DIGEST_CHECK', 244 'KDF_PARAM_FIPS_KEY_CHECK' => '*PKEY_PARAM_FIPS_KEY_CHECK', 245 'KDF_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 246 247# Known RAND names 248 'RAND_PARAM_STATE' => "state", 249 'RAND_PARAM_STRENGTH' => "strength", 250 'RAND_PARAM_MAX_REQUEST' => "max_request", 251 'RAND_PARAM_TEST_ENTROPY' => "test_entropy", 252 'RAND_PARAM_TEST_NONCE' => "test_nonce", 253 'RAND_PARAM_GENERATE' => "generate", 254 'RAND_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 255 256# RAND/DRBG names 257 'DRBG_PARAM_RESEED_REQUESTS' => "reseed_requests", 258 'DRBG_PARAM_RESEED_TIME_INTERVAL' => "reseed_time_interval", 259 'DRBG_PARAM_MIN_ENTROPYLEN' => "min_entropylen", 260 'DRBG_PARAM_MAX_ENTROPYLEN' => "max_entropylen", 261 'DRBG_PARAM_MIN_NONCELEN' => "min_noncelen", 262 'DRBG_PARAM_MAX_NONCELEN' => "max_noncelen", 263 'DRBG_PARAM_MAX_PERSLEN' => "max_perslen", 264 'DRBG_PARAM_MAX_ADINLEN' => "max_adinlen", 265 'DRBG_PARAM_RESEED_COUNTER' => "reseed_counter", 266 'DRBG_PARAM_RESEED_TIME' => "reseed_time", 267 'DRBG_PARAM_PROPERTIES' => '*ALG_PARAM_PROPERTIES', 268 'DRBG_PARAM_DIGEST' => '*ALG_PARAM_DIGEST', 269 'DRBG_PARAM_CIPHER' => '*ALG_PARAM_CIPHER', 270 'DRBG_PARAM_MAC' => '*ALG_PARAM_MAC', 271 'DRBG_PARAM_USE_DF' => "use_derivation_function", 272 'DRBG_PARAM_FIPS_DIGEST_CHECK' => '*PKEY_PARAM_FIPS_DIGEST_CHECK', 273 'DRBG_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 274 275# DRBG call back parameters 276 'DRBG_PARAM_ENTROPY_REQUIRED' => "entropy_required", 277 'DRBG_PARAM_PREDICTION_RESISTANCE' => "prediction_resistance", 278 'DRBG_PARAM_MIN_LENGTH' => "minium_length", 279 'DRBG_PARAM_MAX_LENGTH' => "maxium_length", 280 'DRBG_PARAM_RANDOM_DATA' => "random_data", 281 'DRBG_PARAM_SIZE' => "size", 282 283# PKEY parameters 284# Common PKEY parameters 285 'PKEY_PARAM_BITS' => "bits",# integer 286 'PKEY_PARAM_MAX_SIZE' => "max-size",# integer 287 'PKEY_PARAM_SECURITY_BITS' => "security-bits",# integer 288 'PKEY_PARAM_DIGEST' => '*ALG_PARAM_DIGEST', 289 'PKEY_PARAM_CIPHER' => '*ALG_PARAM_CIPHER', # utf8 string 290 'PKEY_PARAM_ENGINE' => '*ALG_PARAM_ENGINE', # utf8 string 291 'PKEY_PARAM_PROPERTIES' => '*ALG_PARAM_PROPERTIES', 292 'PKEY_PARAM_DEFAULT_DIGEST' => "default-digest",# utf8 string 293 'PKEY_PARAM_MANDATORY_DIGEST' => "mandatory-digest",# utf8 string 294 'PKEY_PARAM_PAD_MODE' => "pad-mode", 295 'PKEY_PARAM_DIGEST_SIZE' => "digest-size", 296 'PKEY_PARAM_MASKGENFUNC' => "mgf", 297 'PKEY_PARAM_MGF1_DIGEST' => "mgf1-digest", 298 'PKEY_PARAM_MGF1_PROPERTIES' => "mgf1-properties", 299 'PKEY_PARAM_ENCODED_PUBLIC_KEY' => "encoded-pub-key", 300 'PKEY_PARAM_GROUP_NAME' => "group", 301 'PKEY_PARAM_DIST_ID' => "distid", 302 'PKEY_PARAM_PUB_KEY' => "pub", 303 'PKEY_PARAM_PRIV_KEY' => "priv", 304 'PKEY_PARAM_IMPLICIT_REJECTION' => "implicit-rejection", 305 'PKEY_PARAM_FIPS_DIGEST_CHECK' => "digest-check", 306 'PKEY_PARAM_FIPS_KEY_CHECK' => "key-check", 307 'PKEY_PARAM_ALGORITHM_ID' => '*ALG_PARAM_ALGORITHM_ID', 308 'PKEY_PARAM_ALGORITHM_ID_PARAMS' => '*ALG_PARAM_ALGORITHM_ID_PARAMS', 309 310# Diffie-Hellman/DSA Parameters 311 'PKEY_PARAM_FFC_P' => "p", 312 'PKEY_PARAM_FFC_G' => "g", 313 'PKEY_PARAM_FFC_Q' => "q", 314 'PKEY_PARAM_FFC_GINDEX' => "gindex", 315 'PKEY_PARAM_FFC_PCOUNTER' => "pcounter", 316 'PKEY_PARAM_FFC_SEED' => "seed", 317 'PKEY_PARAM_FFC_COFACTOR' => "j", 318 'PKEY_PARAM_FFC_H' => "hindex", 319 'PKEY_PARAM_FFC_VALIDATE_PQ' => "validate-pq", 320 'PKEY_PARAM_FFC_VALIDATE_G' => "validate-g", 321 'PKEY_PARAM_FFC_VALIDATE_LEGACY' => "validate-legacy", 322 323# Diffie-Hellman params 324 'PKEY_PARAM_DH_GENERATOR' => "safeprime-generator", 325 'PKEY_PARAM_DH_PRIV_LEN' => "priv_len", 326 327# Elliptic Curve Domain Parameters 328 'PKEY_PARAM_EC_PUB_X' => "qx", 329 'PKEY_PARAM_EC_PUB_Y' => "qy", 330 331# Elliptic Curve Explicit Domain Parameters 332 'PKEY_PARAM_EC_FIELD_TYPE' => "field-type", 333 'PKEY_PARAM_EC_P' => "p", 334 'PKEY_PARAM_EC_A' => "a", 335 'PKEY_PARAM_EC_B' => "b", 336 'PKEY_PARAM_EC_GENERATOR' => "generator", 337 'PKEY_PARAM_EC_ORDER' => "order", 338 'PKEY_PARAM_EC_COFACTOR' => "cofactor", 339 'PKEY_PARAM_EC_SEED' => "seed", 340 'PKEY_PARAM_EC_CHAR2_M' => "m", 341 'PKEY_PARAM_EC_CHAR2_TYPE' => "basis-type", 342 'PKEY_PARAM_EC_CHAR2_TP_BASIS' => "tp", 343 'PKEY_PARAM_EC_CHAR2_PP_K1' => "k1", 344 'PKEY_PARAM_EC_CHAR2_PP_K2' => "k2", 345 'PKEY_PARAM_EC_CHAR2_PP_K3' => "k3", 346 'PKEY_PARAM_EC_DECODED_FROM_EXPLICIT_PARAMS' => "decoded-from-explicit", 347 348# Elliptic Curve Key Parameters 349 'PKEY_PARAM_USE_COFACTOR_FLAG' => "use-cofactor-flag", 350 'PKEY_PARAM_USE_COFACTOR_ECDH' => '*PKEY_PARAM_USE_COFACTOR_FLAG', 351 352# RSA Keys 353# 354# n, e, d are the usual public and private key components 355# 356# rsa-num is the number of factors, including p and q 357# rsa-factor is used for each factor: p, q, r_i (i = 3, ...) 358# rsa-exponent is used for each exponent: dP, dQ, d_i (i = 3, ...) 359# rsa-coefficient is used for each coefficient: qInv, t_i (i = 3, ...) 360# 361# The number of rsa-factor items must be equal to the number of rsa-exponent 362# items, and the number of rsa-coefficients must be one less. 363# (the base i for the coefficients is 2, not 1, at least as implied by 364# RFC 8017) 365 366 'PKEY_PARAM_RSA_N' => "n", 367 'PKEY_PARAM_RSA_E' => "e", 368 'PKEY_PARAM_RSA_D' => "d", 369 'PKEY_PARAM_RSA_FACTOR' => "rsa-factor", 370 'PKEY_PARAM_RSA_EXPONENT' => "rsa-exponent", 371 'PKEY_PARAM_RSA_COEFFICIENT' => "rsa-coefficient", 372 'PKEY_PARAM_RSA_FACTOR1' => "rsa-factor1", 373 'PKEY_PARAM_RSA_FACTOR2' => "rsa-factor2", 374 'PKEY_PARAM_RSA_FACTOR3' => "rsa-factor3", 375 'PKEY_PARAM_RSA_FACTOR4' => "rsa-factor4", 376 'PKEY_PARAM_RSA_FACTOR5' => "rsa-factor5", 377 'PKEY_PARAM_RSA_FACTOR6' => "rsa-factor6", 378 'PKEY_PARAM_RSA_FACTOR7' => "rsa-factor7", 379 'PKEY_PARAM_RSA_FACTOR8' => "rsa-factor8", 380 'PKEY_PARAM_RSA_FACTOR9' => "rsa-factor9", 381 'PKEY_PARAM_RSA_FACTOR10' => "rsa-factor10", 382 'PKEY_PARAM_RSA_EXPONENT1' => "rsa-exponent1", 383 'PKEY_PARAM_RSA_EXPONENT2' => "rsa-exponent2", 384 'PKEY_PARAM_RSA_EXPONENT3' => "rsa-exponent3", 385 'PKEY_PARAM_RSA_EXPONENT4' => "rsa-exponent4", 386 'PKEY_PARAM_RSA_EXPONENT5' => "rsa-exponent5", 387 'PKEY_PARAM_RSA_EXPONENT6' => "rsa-exponent6", 388 'PKEY_PARAM_RSA_EXPONENT7' => "rsa-exponent7", 389 'PKEY_PARAM_RSA_EXPONENT8' => "rsa-exponent8", 390 'PKEY_PARAM_RSA_EXPONENT9' => "rsa-exponent9", 391 'PKEY_PARAM_RSA_EXPONENT10' => "rsa-exponent10", 392 'PKEY_PARAM_RSA_COEFFICIENT1' => "rsa-coefficient1", 393 'PKEY_PARAM_RSA_COEFFICIENT2' => "rsa-coefficient2", 394 'PKEY_PARAM_RSA_COEFFICIENT3' => "rsa-coefficient3", 395 'PKEY_PARAM_RSA_COEFFICIENT4' => "rsa-coefficient4", 396 'PKEY_PARAM_RSA_COEFFICIENT5' => "rsa-coefficient5", 397 'PKEY_PARAM_RSA_COEFFICIENT6' => "rsa-coefficient6", 398 'PKEY_PARAM_RSA_COEFFICIENT7' => "rsa-coefficient7", 399 'PKEY_PARAM_RSA_COEFFICIENT8' => "rsa-coefficient8", 400 'PKEY_PARAM_RSA_COEFFICIENT9' => "rsa-coefficient9", 401 402# Key generation parameters 403 'PKEY_PARAM_RSA_BITS' => '*PKEY_PARAM_BITS', 404 'PKEY_PARAM_RSA_PRIMES' => "primes", 405 'PKEY_PARAM_RSA_DIGEST' => '*PKEY_PARAM_DIGEST', 406 'PKEY_PARAM_RSA_DIGEST_PROPS' => '*PKEY_PARAM_PROPERTIES', 407 'PKEY_PARAM_RSA_MASKGENFUNC' => '*PKEY_PARAM_MASKGENFUNC', 408 'PKEY_PARAM_RSA_MGF1_DIGEST' => '*PKEY_PARAM_MGF1_DIGEST', 409 'PKEY_PARAM_RSA_PSS_SALTLEN' => "saltlen", 410 'PKEY_PARAM_RSA_DERIVE_FROM_PQ' => "rsa-derive-from-pq", 411 412# EC, X25519 and X448 Key generation parameters 413 'PKEY_PARAM_DHKEM_IKM' => "dhkem-ikm", 414 415# Key generation parameters 416 'PKEY_PARAM_FFC_TYPE' => "type", 417 'PKEY_PARAM_FFC_PBITS' => "pbits", 418 'PKEY_PARAM_FFC_QBITS' => "qbits", 419 'PKEY_PARAM_FFC_DIGEST' => '*PKEY_PARAM_DIGEST', 420 'PKEY_PARAM_FFC_DIGEST_PROPS' => '*PKEY_PARAM_PROPERTIES', 421 422 'PKEY_PARAM_EC_ENCODING' => "encoding",# utf8_string 423 'PKEY_PARAM_EC_POINT_CONVERSION_FORMAT' => "point-format", 424 'PKEY_PARAM_EC_GROUP_CHECK_TYPE' => "group-check", 425 'PKEY_PARAM_EC_INCLUDE_PUBLIC' => "include-public", 426 'PKEY_PARAM_FIPS_SIGN_CHECK' => "sign-check", 427 'PKEY_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 428 429# Key Exchange parameters 430 'EXCHANGE_PARAM_PAD' => "pad",# uint 431 'EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE' => "ecdh-cofactor-mode",# int 432 'EXCHANGE_PARAM_KDF_TYPE' => "kdf-type",# utf8_string 433 'EXCHANGE_PARAM_KDF_DIGEST' => "kdf-digest",# utf8_string 434 'EXCHANGE_PARAM_KDF_DIGEST_PROPS' => "kdf-digest-props",# utf8_string 435 'EXCHANGE_PARAM_KDF_OUTLEN' => "kdf-outlen",# size_t 436# The following parameter is an octet_string on set and an octet_ptr on get 437 'EXCHANGE_PARAM_KDF_UKM' => "kdf-ukm", 438 'EXCHANGE_PARAM_FIPS_DIGEST_CHECK' => '*PKEY_PARAM_FIPS_DIGEST_CHECK', 439 'EXCHANGE_PARAM_FIPS_KEY_CHECK' => '*PKEY_PARAM_FIPS_KEY_CHECK', 440 'EXCHANGE_PARAM_FIPS_ECDH_COFACTOR_CHECK' => '*PROV_PARAM_ECDH_COFACTOR_CHECK', 441 'EXCHANGE_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 442 443# Signature parameters 444 'SIGNATURE_PARAM_ALGORITHM_ID' => '*PKEY_PARAM_ALGORITHM_ID', 445 'SIGNATURE_PARAM_ALGORITHM_ID_PARAMS' => '*PKEY_PARAM_ALGORITHM_ID_PARAMS', 446 'SIGNATURE_PARAM_PAD_MODE' => '*PKEY_PARAM_PAD_MODE', 447 'SIGNATURE_PARAM_DIGEST' => '*PKEY_PARAM_DIGEST', 448 'SIGNATURE_PARAM_PROPERTIES' => '*PKEY_PARAM_PROPERTIES', 449 'SIGNATURE_PARAM_PSS_SALTLEN' => "saltlen", 450 'SIGNATURE_PARAM_MGF1_DIGEST' => '*PKEY_PARAM_MGF1_DIGEST', 451 'SIGNATURE_PARAM_MGF1_PROPERTIES' => '*PKEY_PARAM_MGF1_PROPERTIES', 452 'SIGNATURE_PARAM_DIGEST_SIZE' => '*PKEY_PARAM_DIGEST_SIZE', 453 'SIGNATURE_PARAM_NONCE_TYPE' => "nonce-type", 454 'SIGNATURE_PARAM_INSTANCE' => "instance", 455 'SIGNATURE_PARAM_CONTEXT_STRING' => "context-string", 456 'SIGNATURE_PARAM_FIPS_DIGEST_CHECK' => '*PKEY_PARAM_FIPS_DIGEST_CHECK', 457 'SIGNATURE_PARAM_FIPS_VERIFY_MESSAGE' => 'verify-message', 458 'SIGNATURE_PARAM_FIPS_KEY_CHECK' => '*PKEY_PARAM_FIPS_KEY_CHECK', 459 'SIGNATURE_PARAM_FIPS_SIGN_CHECK' => '*PKEY_PARAM_FIPS_SIGN_CHECK', 460 'SIGNATURE_PARAM_FIPS_RSA_PSS_SALTLEN_CHECK' => "rsa-pss-saltlen-check", 461 'SIGNATURE_PARAM_FIPS_SIGN_X931_PAD_CHECK' => "sign-x931-pad-check", 462 'SIGNATURE_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 463 'SIGNATURE_PARAM_SIGNATURE' => "signature", 464 465# Asym cipher parameters 466 'ASYM_CIPHER_PARAM_DIGEST' => '*PKEY_PARAM_DIGEST', 467 'ASYM_CIPHER_PARAM_PROPERTIES' => '*PKEY_PARAM_PROPERTIES', 468 'ASYM_CIPHER_PARAM_ENGINE' => '*PKEY_PARAM_ENGINE', 469 'ASYM_CIPHER_PARAM_PAD_MODE' => '*PKEY_PARAM_PAD_MODE', 470 'ASYM_CIPHER_PARAM_MGF1_DIGEST' => '*PKEY_PARAM_MGF1_DIGEST', 471 'ASYM_CIPHER_PARAM_MGF1_DIGEST_PROPS' => '*PKEY_PARAM_MGF1_PROPERTIES', 472 'ASYM_CIPHER_PARAM_OAEP_DIGEST' => '*ALG_PARAM_DIGEST', 473 'ASYM_CIPHER_PARAM_OAEP_DIGEST_PROPS' => "digest-props", 474# The following parameter is an octet_string on set and an octet_ptr on get 475 'ASYM_CIPHER_PARAM_OAEP_LABEL' => "oaep-label", 476 'ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION' => "tls-client-version", 477 'ASYM_CIPHER_PARAM_TLS_NEGOTIATED_VERSION' => "tls-negotiated-version", 478 'ASYM_CIPHER_PARAM_IMPLICIT_REJECTION' => "implicit-rejection", 479 'ASYM_CIPHER_PARAM_FIPS_RSA_PKCS15_PAD_DISABLED' => '*PROV_PARAM_RSA_PKCS15_PAD_DISABLED', 480 'ASYM_CIPHER_PARAM_FIPS_KEY_CHECK' => '*PKEY_PARAM_FIPS_KEY_CHECK', 481 'ASYM_CIPHER_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 482 483# Encoder / decoder parameters 484 485 'ENCODER_PARAM_CIPHER' => '*ALG_PARAM_CIPHER', 486 'ENCODER_PARAM_PROPERTIES' => '*ALG_PARAM_PROPERTIES', 487# Currently PVK only, but reusable for others as needed 488 'ENCODER_PARAM_ENCRYPT_LEVEL' => "encrypt-level", 489 'ENCODER_PARAM_SAVE_PARAMETERS' => "save-parameters",# integer 490 491 'DECODER_PARAM_PROPERTIES' => '*ALG_PARAM_PROPERTIES', 492 493# Passphrase callback parameters 494 'PASSPHRASE_PARAM_INFO' => "info", 495 496# Keygen callback parameters, from provider to libcrypto 497 'GEN_PARAM_POTENTIAL' => "potential",# integer 498 'GEN_PARAM_ITERATION' => "iteration",# integer 499 500# ACVP Test parameters : These should not be used normally 501 'PKEY_PARAM_RSA_TEST_XP1' => "xp1", 502 'PKEY_PARAM_RSA_TEST_XP2' => "xp2", 503 'PKEY_PARAM_RSA_TEST_XP' => "xp", 504 'PKEY_PARAM_RSA_TEST_XQ1' => "xq1", 505 'PKEY_PARAM_RSA_TEST_XQ2' => "xq2", 506 'PKEY_PARAM_RSA_TEST_XQ' => "xq", 507 'PKEY_PARAM_RSA_TEST_P1' => "p1", 508 'PKEY_PARAM_RSA_TEST_P2' => "p2", 509 'PKEY_PARAM_RSA_TEST_Q1' => "q1", 510 'PKEY_PARAM_RSA_TEST_Q2' => "q2", 511 'SIGNATURE_PARAM_KAT' => "kat", 512 513# KEM parameters 514 'KEM_PARAM_OPERATION' => "operation", 515 'KEM_PARAM_IKME' => "ikme", 516 'KEM_PARAM_FIPS_KEY_CHECK' => '*PKEY_PARAM_FIPS_KEY_CHECK', 517 'KEM_PARAM_FIPS_APPROVED_INDICATOR' => '*ALG_PARAM_FIPS_APPROVED_INDICATOR', 518 519# Capabilities 520 521# TLS-GROUP Capability 522 'CAPABILITY_TLS_GROUP_NAME' => "tls-group-name", 523 'CAPABILITY_TLS_GROUP_NAME_INTERNAL' => "tls-group-name-internal", 524 'CAPABILITY_TLS_GROUP_ID' => "tls-group-id", 525 'CAPABILITY_TLS_GROUP_ALG' => "tls-group-alg", 526 'CAPABILITY_TLS_GROUP_SECURITY_BITS' => "tls-group-sec-bits", 527 'CAPABILITY_TLS_GROUP_IS_KEM' => "tls-group-is-kem", 528 'CAPABILITY_TLS_GROUP_MIN_TLS' => "tls-min-tls", 529 'CAPABILITY_TLS_GROUP_MAX_TLS' => "tls-max-tls", 530 'CAPABILITY_TLS_GROUP_MIN_DTLS' => "tls-min-dtls", 531 'CAPABILITY_TLS_GROUP_MAX_DTLS' => "tls-max-dtls", 532 533# TLS-SIGALG Capability 534 'CAPABILITY_TLS_SIGALG_IANA_NAME' => "tls-sigalg-iana-name", 535 'CAPABILITY_TLS_SIGALG_CODE_POINT' => "tls-sigalg-code-point", 536 'CAPABILITY_TLS_SIGALG_NAME' => "tls-sigalg-name", 537 'CAPABILITY_TLS_SIGALG_OID' => "tls-sigalg-oid", 538 'CAPABILITY_TLS_SIGALG_SIG_NAME' => "tls-sigalg-sig-name", 539 'CAPABILITY_TLS_SIGALG_SIG_OID' => "tls-sigalg-sig-oid", 540 'CAPABILITY_TLS_SIGALG_HASH_NAME' => "tls-sigalg-hash-name", 541 'CAPABILITY_TLS_SIGALG_HASH_OID' => "tls-sigalg-hash-oid", 542 'CAPABILITY_TLS_SIGALG_KEYTYPE' => "tls-sigalg-keytype", 543 'CAPABILITY_TLS_SIGALG_KEYTYPE_OID' => "tls-sigalg-keytype-oid", 544 'CAPABILITY_TLS_SIGALG_SECURITY_BITS' => "tls-sigalg-sec-bits", 545 'CAPABILITY_TLS_SIGALG_MIN_TLS' => "tls-min-tls", 546 'CAPABILITY_TLS_SIGALG_MAX_TLS' => "tls-max-tls", 547 548# storemgmt parameters 549 550 551# Used by storemgmt_ctx_set_params(): 552# 553# - STORE_PARAM_EXPECT is an INTEGER, and the value is any of the 554# STORE_INFO numbers. This is used to set the expected type of 555# object loaded. 556# 557# - STORE_PARAM_SUBJECT, STORE_PARAM_ISSUER, 558# STORE_PARAM_SERIAL, STORE_PARAM_FINGERPRINT, 559# STORE_PARAM_DIGEST, STORE_PARAM_ALIAS 560# are used as search criteria. 561# (STORE_PARAM_DIGEST is used with STORE_PARAM_FINGERPRINT) 562 563 'STORE_PARAM_EXPECT' => "expect", # INTEGER 564 'STORE_PARAM_SUBJECT' => "subject", # DER blob => OCTET_STRING 565 'STORE_PARAM_ISSUER' => "name", # DER blob => OCTET_STRING 566 'STORE_PARAM_SERIAL' => "serial", # INTEGER 567 'STORE_PARAM_DIGEST' => "digest", # UTF8_STRING 568 'STORE_PARAM_FINGERPRINT' => "fingerprint", # OCTET_STRING 569 'STORE_PARAM_ALIAS' => "alias", # UTF8_STRING 570 571# You may want to pass properties for the provider implementation to use 572 'STORE_PARAM_PROPERTIES' => "properties", # utf8_string 573# DECODER input type if a decoder is used by the store 574 'STORE_PARAM_INPUT_TYPE' => "input-type", # UTF8_STRING 575 576 577# Libssl record layer 578 'LIBSSL_RECORD_LAYER_PARAM_OPTIONS' => "options", 579 'LIBSSL_RECORD_LAYER_PARAM_MODE' => "mode", 580 'LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD' => "read_ahead", 581 'LIBSSL_RECORD_LAYER_READ_BUFFER_LEN' => "read_buffer_len", 582 'LIBSSL_RECORD_LAYER_PARAM_USE_ETM' => "use_etm", 583 'LIBSSL_RECORD_LAYER_PARAM_STREAM_MAC' => "stream_mac", 584 'LIBSSL_RECORD_LAYER_PARAM_TLSTREE' => "tlstree", 585 'LIBSSL_RECORD_LAYER_PARAM_MAX_FRAG_LEN' => "max_frag_len", 586 'LIBSSL_RECORD_LAYER_PARAM_MAX_EARLY_DATA' => "max_early_data", 587 'LIBSSL_RECORD_LAYER_PARAM_BLOCK_PADDING' => "block_padding", 588 'LIBSSL_RECORD_LAYER_PARAM_HS_PADDING' => "hs_padding", 589); 590 591# Generate string based macros for public consumption 592sub generate_public_macros { 593 my @macros = (); 594 595 foreach my $name (keys %params) { 596 my $val = $params{$name}; 597 my $def = '# define OSSL_' . $name . ' '; 598 599 if (substr($val, 0, 1) eq '*') { 600 $def .= 'OSSL_' . substr($val, 1); 601 } else { 602 $def .= '"' . $val . '"'; 603 } 604 push(@macros, $def) 605 } 606 return join("\n", sort @macros); 607} 608 609# Generate number based macros for internal use 610# The numbers are unique per string 611sub generate_internal_macros { 612 my @macros = (); 613 my $count = 0; 614 my %reverse; 615 616 # Determine the number for each unique string 617 # Sort the names to improve the chance of cache coherency 618 foreach my $name (sort keys %params) { 619 my $val = $params{$name}; 620 621 if (substr($val, 0, 1) ne '*' and not defined $reverse{$val}) { 622 $reverse{$val} = $count++; 623 } 624 } 625 626 # Output the defines 627 foreach my $name (keys %params) { 628 my $val = $params{$name}; 629 my $def = '#define PIDX_' . $name . ' '; 630 631 if (substr($val, 0, 1) eq '*') { 632 $def .= 'PIDX_' . substr($val, 1); 633 } else { 634 $def .= $reverse{$val}; 635 } 636 push(@macros, $def) 637 } 638 return "#define NUM_PIDX $count\n\n" . join("\n", sort @macros); 639} 640 641sub generate_trie { 642 my %trie; 643 my $nodes = 0; 644 my $chars = 0; 645 646 foreach my $name (sort keys %params) { 647 my $val = $params{$name}; 648 if (substr($val, 0, 1) ne '*') { 649 my $cursor = \%trie; 650 651 $chars += length($val); 652 for my $i (0 .. length($val) - 1) { 653 my $c = substr($val, $i, 1); 654 655 if (not $case_sensitive) { 656 $c = '_' if $c eq '-'; 657 $c = lc $c; 658 } 659 660 if (not defined $$cursor{$c}) { 661 $cursor->{$c} = {}; 662 $nodes++; 663 } 664 $cursor = $cursor->{$c}; 665 } 666 $cursor->{'val'} = $name; 667 } 668 } 669 #print "\n\n/* $nodes nodes for $chars letters*/\n\n"; 670 return %trie; 671} 672 673sub generate_code_from_trie { 674 my $n = shift; 675 my $trieref = shift; 676 my $idt = " "; 677 my $indent0 = $idt x ($n + 1); 678 my $indent1 = $indent0 . $idt; 679 my $strcmp = $case_sensitive ? 'strcmp' : 'strcasecmp'; 680 681 print "int ossl_param_find_pidx(const char *s)\n{\n" if $n == 0; 682 683 if ($trieref->{'suffix'}) { 684 my $suf = $trieref->{'suffix'}; 685 686 printf "%sif ($strcmp(\"$suf\", s + $n) == 0", $indent0; 687 if (not $case_sensitive) { 688 $suf =~ tr/_/-/; 689 print " || $strcmp(\"$suf\", s + $n) == 0" 690 if ($suf ne $trieref->{'suffix'}); 691 } 692 printf ")\n%sreturn PIDX_%s;\n", $indent1, $trieref->{'name'}; 693 #printf "%sbreak;\n", $indent0; 694 return; 695 } 696 697 printf "%sswitch(s\[%d\]) {\n", $indent0, $n; 698 printf "%sdefault:\n", $indent0; 699 for my $l (sort keys %$trieref) { 700 if ($l eq 'val') { 701 printf "%sbreak;\n", $indent1; 702 printf "%scase '\\0':\n", $indent0; 703 printf "%sreturn PIDX_%s;\n", $indent1, $trieref->{'val'}; 704 } else { 705 printf "%sbreak;\n", $indent1; 706 printf "%scase '%s':", $indent0, $l; 707 if (not $case_sensitive) { 708 print " case '-':" if ($l eq '_'); 709 printf " case '%s':", uc $l if ($l =~ /[a-z]/); 710 } 711 print "\n"; 712 generate_code_from_trie($n + 1, $trieref->{$l}); 713 } 714 } 715 printf "%s}\n", $indent0; 716 print " return -1;\n}\n" if $n == 0; 717 return ""; 718} 719 720# Find long endings and cache what they resolve to 721sub locate_long_endings { 722 my $trieref = shift; 723 my @names = keys %$trieref; 724 my $num = @names; 725 726 return (1, '', $trieref->{$names[0]}) if ($num == 1 and $names[0] eq 'val'); 727 728 if ($num == 1) { 729 my ($res, $suffix, $name) = locate_long_endings($trieref->{$names[0]}); 730 my $e = $names[0] . $suffix; 731 if ($res) { 732 $trieref->{'suffix'} = $e; 733 $trieref->{'name'} = $name; 734 } 735 return $res, $e, $name; 736 } 737 738 for my $l (@names) { 739 if ($l ne 'val') { 740 my ($res, $suffix, $name) = locate_long_endings($trieref->{$l}); 741 } 742 } 743 return 0, ''; 744} 745 746sub produce_decoder { 747 my %t = generate_trie(); 748 my $s; 749 750 locate_long_endings(\%t); 751 752 open local *STDOUT, '>', \$s; 753 generate_code_from_trie(0, \%t); 754 return $s; 755} 756