/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 * Copyright 2016 Jason King
 */

/*
 * Convert Algorithm names as strings to PKCS#11 Mech numbers and vice versa.
 */

#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <security/cryptoki.h>
#include <security/pkcs11t.h>

#include <cryptoutil.h>

/*
 * This table is a one-to-one mapping between mechanism names and numbers.
 * As such, it should not contain deprecated mechanism names (aliases).
 */
typedef struct {
        const char              *str;
        CK_MECHANISM_TYPE       mech;
} pkcs11_mapping_t;

/*
 * Note: elements in this table MUST be in numeric order,
 * since bsearch(3C) is used to search this table.
 */
static const pkcs11_mapping_t mapping[] = {
        { "CKM_RSA_PKCS_KEY_PAIR_GEN", CKM_RSA_PKCS_KEY_PAIR_GEN },
        { "CKM_RSA_PKCS", CKM_RSA_PKCS },
        { "CKM_RSA_9796", CKM_RSA_9796 },
        { "CKM_RSA_X_509", CKM_RSA_X_509 },
        { "CKM_MD2_RSA_PKCS", CKM_MD2_RSA_PKCS },
        { "CKM_MD5_RSA_PKCS", CKM_MD5_RSA_PKCS },
        { "CKM_SHA1_RSA_PKCS", CKM_SHA1_RSA_PKCS },
        { "CKM_RIPEMD128_RSA_PKCS", CKM_RIPEMD128_RSA_PKCS },
        { "CKM_RIPEMD160_RSA_PKCS", CKM_RIPEMD160_RSA_PKCS },
        { "CKM_RSA_PKCS_OAEP", CKM_RSA_PKCS_OAEP },
        { "CKM_RSA_X9_31_KEY_PAIR_GEN", CKM_RSA_X9_31_KEY_PAIR_GEN },
        { "CKM_RSA_X9_31", CKM_RSA_X9_31 },
        { "CKM_SHA1_RSA_X9_31", CKM_SHA1_RSA_X9_31 },
        { "CKM_RSA_PKCS_PSS", CKM_RSA_PKCS_PSS },
        { "CKM_SHA1_RSA_PKCS_PSS", CKM_SHA1_RSA_PKCS_PSS },
        { "CKM_DSA_KEY_PAIR_GEN", CKM_DSA_KEY_PAIR_GEN },
        { "CKM_DSA", CKM_DSA },
        { "CKM_DSA_SHA1", CKM_DSA_SHA1 },
        { "CKM_DSA_SHA224", CKM_DSA_SHA224 },
        { "CKM_DSA_SHA256", CKM_DSA_SHA256 },
        { "CKM_DSA_SHA384", CKM_DSA_SHA384 },
        { "CKM_DSA_SHA512", CKM_DSA_SHA512 },
        { "CKM_DH_PKCS_KEY_PAIR_GEN", CKM_DH_PKCS_KEY_PAIR_GEN },
        { "CKM_DH_PKCS_DERIVE", CKM_DH_PKCS_DERIVE },
        { "CKM_X9_42_DH_KEY_PAIR_GEN", CKM_X9_42_DH_KEY_PAIR_GEN },
        { "CKM_X9_42_DH_DERIVE", CKM_X9_42_DH_DERIVE },
        { "CKM_X9_42_DH_HYBRID_DERIVE", CKM_X9_42_DH_HYBRID_DERIVE },
        { "CKM_X9_42_MQV_DERIVE", CKM_X9_42_MQV_DERIVE },
        { "CKM_SHA256_RSA_PKCS", CKM_SHA256_RSA_PKCS },
        { "CKM_SHA384_RSA_PKCS", CKM_SHA384_RSA_PKCS },
        { "CKM_SHA512_RSA_PKCS", CKM_SHA512_RSA_PKCS },
        { "CKM_SHA256_RSA_PKCS_PSS", CKM_SHA256_RSA_PKCS_PSS },
        { "CKM_SHA384_RSA_PKCS_PSS", CKM_SHA384_RSA_PKCS_PSS },
        { "CKM_SHA512_RSA_PKCS_PSS", CKM_SHA512_RSA_PKCS_PSS },
        { "CKM_SHA224_RSA_PKCS", CKM_SHA224_RSA_PKCS },
        { "CKM_SHA224_RSA_PKCS_PSS", CKM_SHA224_RSA_PKCS_PSS },
        { "CKM_SHA512_224", CKM_SHA512_224 },
        { "CKM_SHA512_224_HMAC", CKM_SHA512_224_HMAC },
        { "CKM_SHA512_224_HMAC_GENERAL", CKM_SHA512_224_HMAC_GENERAL },
        { "CKM_SHA512_224_KEY_DERIVATION", CKM_SHA512_224_KEY_DERIVATION },
        { "CKM_SHA512_256", CKM_SHA512_256 },
        { "CKM_SHA512_256_HMAC", CKM_SHA512_256_HMAC },
        { "CKM_SHA512_256_HMAC_GENERAL", CKM_SHA512_256_HMAC_GENERAL },
        { "CKM_SHA512_256_KEY_DERIVATION", CKM_SHA512_256_KEY_DERIVATION },
        { "CKM_SHA512_T", CKM_SHA512_T },
        { "CKM_SHA512_T_HMAC", CKM_SHA512_T_HMAC },
        { "CKM_SHA512_T_HMAC_GENERAL", CKM_SHA512_T_HMAC_GENERAL },
        { "CKM_SHA512_T_KEY_DERIVATION", CKM_SHA512_T_KEY_DERIVATION },
        { "CKM_RC2_KEY_GEN", CKM_RC2_KEY_GEN },
        { "CKM_RC2_ECB", CKM_RC2_ECB },
        { "CKM_RC2_CBC", CKM_RC2_CBC },
        { "CKM_RC2_MAC", CKM_RC2_MAC },
        { "CKM_RC2_MAC_GENERAL", CKM_RC2_MAC_GENERAL },
        { "CKM_RC2_CBC_PAD", CKM_RC2_CBC_PAD },
        { "CKM_RC4_KEY_GEN", CKM_RC4_KEY_GEN },
        { "CKM_RC4", CKM_RC4 },
        { "CKM_DES_KEY_GEN", CKM_DES_KEY_GEN },
        { "CKM_DES_ECB", CKM_DES_ECB },
        { "CKM_DES_CBC", CKM_DES_CBC },
        { "CKM_DES_MAC", CKM_DES_MAC },
        { "CKM_DES_MAC_GENERAL", CKM_DES_MAC_GENERAL },
        { "CKM_DES_CBC_PAD", CKM_DES_CBC_PAD },
        { "CKM_DES2_KEY_GEN", CKM_DES2_KEY_GEN },
        { "CKM_DES3_KEY_GEN", CKM_DES3_KEY_GEN },
        { "CKM_DES3_ECB", CKM_DES3_ECB },
        { "CKM_DES3_CBC", CKM_DES3_CBC },
        { "CKM_DES3_MAC", CKM_DES3_MAC },
        { "CKM_DES3_MAC_GENERAL", CKM_DES3_MAC_GENERAL },
        { "CKM_DES3_CBC_PAD", CKM_DES3_CBC_PAD },
        { "CKM_DES3_CMAC_GENERAL", CKM_DES3_CMAC_GENERAL },
        { "CKM_DES3_CMAC", CKM_DES3_CMAC },
        { "CKM_CDMF_KEY_GEN", CKM_CDMF_KEY_GEN },
        { "CKM_CDMF_ECB", CKM_CDMF_ECB },
        { "CKM_CDMF_CBC", CKM_CDMF_CBC },
        { "CKM_CDMF_MAC", CKM_CDMF_MAC },
        { "CKM_CDMF_MAC_GENERAL", CKM_CDMF_MAC_GENERAL },
        { "CKM_CDMF_CBC_PAD", CKM_CDMF_CBC_PAD },
        { "CKM_DES_OFB64", CKM_DES_OFB64 },
        { "CKM_DES_OFB8", CKM_DES_OFB8 },
        { "CKM_DES_CFB64", CKM_DES_CFB64 },
        { "CKM_DES_CFB8", CKM_DES_CFB8 },
        { "CKM_MD2", CKM_MD2 },
        { "CKM_MD2_HMAC", CKM_MD2_HMAC },
        { "CKM_MD2_HMAC_GENERAL", CKM_MD2_HMAC_GENERAL },
        { "CKM_MD5", CKM_MD5 },
        { "CKM_MD5_HMAC", CKM_MD5_HMAC },
        { "CKM_MD5_HMAC_GENERAL", CKM_MD5_HMAC_GENERAL },
        { "CKM_SHA_1", CKM_SHA_1 },
        { "CKM_SHA_1_HMAC", CKM_SHA_1_HMAC },
        { "CKM_SHA_1_HMAC_GENERAL", CKM_SHA_1_HMAC_GENERAL },
        { "CKM_RIPEMD128", CKM_RIPEMD128 },
        { "CKM_RIPEMD128_HMAC", CKM_RIPEMD128_HMAC },
        { "CKM_RIPEMD128_HMAC_GENERAL", CKM_RIPEMD128_HMAC_GENERAL },
        { "CKM_RIPEMD160", CKM_RIPEMD160 },
        { "CKM_RIPEMD160_HMAC", CKM_RIPEMD160_HMAC },
        { "CKM_RIPEMD160_HMAC_GENERAL", CKM_RIPEMD160_HMAC_GENERAL },
        { "CKM_SHA256", CKM_SHA256 },
        { "CKM_SHA256_HMAC", CKM_SHA256_HMAC },
        { "CKM_SHA256_HMAC_GENERAL", CKM_SHA256_HMAC_GENERAL },
        { "CKM_SHA224", CKM_SHA224 },
        { "CKM_SHA224_HMAC", CKM_SHA224_HMAC },
        { "CKM_SHA224_HMAC_GENERAL", CKM_SHA224_HMAC_GENERAL },
        { "CKM_SHA384", CKM_SHA384 },
        { "CKM_SHA384_HMAC", CKM_SHA384_HMAC },
        { "CKM_SHA384_HMAC_GENERAL", CKM_SHA384_HMAC_GENERAL },
        { "CKM_SHA512", CKM_SHA512 },
        { "CKM_SHA512_HMAC", CKM_SHA512_HMAC },
        { "CKM_SHA512_HMAC_GENERAL", CKM_SHA512_HMAC_GENERAL },
        { "CKM_SECURID_KEY_GEN", CKM_SECURID_KEY_GEN },
        { "CKM_SECURID", CKM_SECURID },
        { "CKM_HOTP_KEY_GEN", CKM_HOTP_KEY_GEN },
        { "CKM_HOTP", CKM_HOTP },
        { "CKM_ACTI", CKM_ACTI },
        { "CKM_ACTI_KEY_GEN", CKM_ACTI_KEY_GEN },
        { "CKM_CAST_KEY_GEN", CKM_CAST_KEY_GEN },
        { "CKM_CAST_ECB", CKM_CAST_ECB },
        { "CKM_CAST_CBC", CKM_CAST_CBC },
        { "CKM_CAST_MAC", CKM_CAST_MAC },
        { "CKM_CAST_MAC_GENERAL", CKM_CAST_MAC_GENERAL },
        { "CKM_CAST_CBC_PAD", CKM_CAST_CBC_PAD },
        { "CKM_CAST3_KEY_GEN", CKM_CAST3_KEY_GEN },
        { "CKM_CAST3_ECB", CKM_CAST3_ECB },
        { "CKM_CAST3_CBC", CKM_CAST3_CBC },
        { "CKM_CAST3_MAC", CKM_CAST3_MAC },
        { "CKM_CAST3_MAC_GENERAL", CKM_CAST3_MAC_GENERAL },
        { "CKM_CAST3_CBC_PAD", CKM_CAST3_CBC_PAD },
        { "CKM_CAST5_KEY_GEN", CKM_CAST5_KEY_GEN },
        { "CKM_CAST128_KEY_GEN", CKM_CAST128_KEY_GEN },
        { "CKM_CAST5_ECB", CKM_CAST5_ECB },
        { "CKM_CAST128_ECB", CKM_CAST128_ECB },
        { "CKM_CAST5_CBC", CKM_CAST5_CBC },
        { "CKM_CAST128_CBC", CKM_CAST128_CBC },
        { "CKM_CAST5_MAC", CKM_CAST5_MAC },
        { "CKM_CAST128_MAC", CKM_CAST128_MAC },
        { "CKM_CAST5_MAC_GENERAL", CKM_CAST5_MAC_GENERAL },
        { "CKM_CAST128_MAC_GENERAL", CKM_CAST128_MAC_GENERAL },
        { "CKM_CAST5_CBC_PAD", CKM_CAST5_CBC_PAD },
        { "CKM_CAST128_CBC_PAD", CKM_CAST128_CBC_PAD },
        { "CKM_RC5_KEY_GEN", CKM_RC5_KEY_GEN },
        { "CKM_RC5_ECB", CKM_RC5_ECB },
        { "CKM_RC5_CBC", CKM_RC5_CBC },
        { "CKM_RC5_MAC", CKM_RC5_MAC },
        { "CKM_RC5_MAC_GENERAL", CKM_RC5_MAC_GENERAL },
        { "CKM_RC5_CBC_PAD", CKM_RC5_CBC_PAD },
        { "CKM_IDEA_KEY_GEN", CKM_IDEA_KEY_GEN },
        { "CKM_IDEA_ECB", CKM_IDEA_ECB },
        { "CKM_IDEA_CBC", CKM_IDEA_CBC },
        { "CKM_IDEA_MAC", CKM_IDEA_MAC },
        { "CKM_IDEA_MAC_GENERAL", CKM_IDEA_MAC_GENERAL },
        { "CKM_IDEA_CBC_PAD", CKM_IDEA_CBC_PAD },
        { "CKM_GENERIC_SECRET_KEY_GEN", CKM_GENERIC_SECRET_KEY_GEN },
        { "CKM_CONCATENATE_BASE_AND_KEY", CKM_CONCATENATE_BASE_AND_KEY },
        { "CKM_CONCATENATE_BASE_AND_DATA", CKM_CONCATENATE_BASE_AND_DATA },
        { "CKM_CONCATENATE_DATA_AND_BASE", CKM_CONCATENATE_DATA_AND_BASE },
        { "CKM_XOR_BASE_AND_DATA", CKM_XOR_BASE_AND_DATA },
        { "CKM_EXTRACT_KEY_FROM_KEY", CKM_EXTRACT_KEY_FROM_KEY },
        { "CKM_SSL3_PRE_MASTER_KEY_GEN", CKM_SSL3_PRE_MASTER_KEY_GEN },
        { "CKM_SSL3_MASTER_KEY_DERIVE", CKM_SSL3_MASTER_KEY_DERIVE },
        { "CKM_SSL3_KEY_AND_MAC_DERIVE", CKM_SSL3_KEY_AND_MAC_DERIVE },
        { "CKM_SSL3_MASTER_KEY_DERIVE_DH", CKM_SSL3_MASTER_KEY_DERIVE_DH },
        { "CKM_TLS_PRE_MASTER_KEY_GEN", CKM_TLS_PRE_MASTER_KEY_GEN },
        { "CKM_TLS_MASTER_KEY_DERIVE", CKM_TLS_MASTER_KEY_DERIVE },
        { "CKM_TLS_KEY_AND_MAC_DERIVE", CKM_TLS_KEY_AND_MAC_DERIVE },
        { "CKM_TLS_MASTER_KEY_DERIVE_DH", CKM_TLS_MASTER_KEY_DERIVE_DH },
        { "CKM_TLS_PRF", CKM_TLS_PRF },
        { "CKM_SSL3_MD5_MAC", CKM_SSL3_MD5_MAC },
        { "CKM_SSL3_SHA1_MAC", CKM_SSL3_SHA1_MAC },
        { "CKM_MD5_KEY_DERIVATION", CKM_MD5_KEY_DERIVATION },
        { "CKM_MD2_KEY_DERIVATION", CKM_MD2_KEY_DERIVATION },
        { "CKM_SHA1_KEY_DERIVATION", CKM_SHA1_KEY_DERIVATION },
        { "CKM_SHA256_KEY_DERIVATION", CKM_SHA256_KEY_DERIVATION },
        { "CKM_SHA384_KEY_DERIVATION", CKM_SHA384_KEY_DERIVATION },
        { "CKM_SHA512_KEY_DERIVATION", CKM_SHA512_KEY_DERIVATION },
        { "CKM_SHA224_KEY_DERIVATION", CKM_SHA224_KEY_DERIVATION },
        { "CKM_PBE_MD2_DES_CBC", CKM_PBE_MD2_DES_CBC },
        { "CKM_PBE_MD5_DES_CBC", CKM_PBE_MD5_DES_CBC },
        { "CKM_PBE_MD5_CAST_CBC", CKM_PBE_MD5_CAST_CBC },
        { "CKM_PBE_MD5_CAST3_CBC", CKM_PBE_MD5_CAST3_CBC },
        { "CKM_PBE_MD5_CAST5_CBC", CKM_PBE_MD5_CAST5_CBC },
        { "CKM_PBE_MD5_CAST128_CBC", CKM_PBE_MD5_CAST128_CBC },
        { "CKM_PBE_SHA1_CAST5_CBC", CKM_PBE_SHA1_CAST5_CBC },
        { "CKM_PBE_SHA1_CAST128_CBC", CKM_PBE_SHA1_CAST128_CBC },
        { "CKM_PBE_SHA1_RC4_128", CKM_PBE_SHA1_RC4_128 },
        { "CKM_PBE_SHA1_RC4_40", CKM_PBE_SHA1_RC4_40 },
        { "CKM_PBE_SHA1_DES3_EDE_CBC", CKM_PBE_SHA1_DES3_EDE_CBC },
        { "CKM_PBE_SHA1_DES2_EDE_CBC", CKM_PBE_SHA1_DES2_EDE_CBC },
        { "CKM_PBE_SHA1_RC2_128_CBC", CKM_PBE_SHA1_RC2_128_CBC },
        { "CKM_PBE_SHA1_RC2_40_CBC", CKM_PBE_SHA1_RC2_40_CBC },
        { "CKM_PKCS5_PBKD2", CKM_PKCS5_PBKD2 },
        { "CKM_PBA_SHA1_WITH_SHA1_HMAC", CKM_PBA_SHA1_WITH_SHA1_HMAC },
        { "CKM_WTLS_PRE_MASTER_KEY_GEN", CKM_WTLS_PRE_MASTER_KEY_GEN },
        { "CKM_WTLS_MASTER_KEY_DERIVE", CKM_WTLS_MASTER_KEY_DERIVE },
        { "CKM_WTLS_MASTER_KEY_DERIVE_DH_ECC",
            CKM_WTLS_MASTER_KEY_DERIVE_DH_ECC },
        { "CKM_WTLS_PRF", CKM_WTLS_PRF },
        { "CKM_WTLS_SERVER_KEY_AND_MAC_DERIVE",
            CKM_WTLS_SERVER_KEY_AND_MAC_DERIVE },
        { "CKM_WTLS_CLIENT_KEY_AND_MAC_DERIVE",
            CKM_WTLS_CLIENT_KEY_AND_MAC_DERIVE },
        { "CKM_TLS10_MAC_SERVER", CKM_TLS10_MAC_SERVER },
        { "CKM_TLS10_MAC_CLIENT", CKM_TLS10_MAC_CLIENT },
        { "CKM_TLS12_MAC", CKM_TLS12_MAC },
        { "CKM_TLS12_KDF", CKM_TLS12_KDF },
        { "CKM_TLS12_MASTER_KEY_DERIVE", CKM_TLS12_MASTER_KEY_DERIVE },
        { "CKM_TLS12_KEY_AND_MAC_DERIVE", CKM_TLS12_KEY_AND_MAC_DERIVE },
        { "CKM_TLS12_MASTER_KEY_DERIVE_DH", CKM_TLS12_MASTER_KEY_DERIVE_DH },
        { "CKM_TLS12_KEY_SAFE_DERIVE", CKM_TLS12_KEY_SAFE_DERIVE },
        { "CKM_TLS_MAC", CKM_TLS_MAC },
        { "CKM_TLS_KDF", CKM_TLS_KDF },
        { "CKM_KEY_WRAP_LYNKS", CKM_KEY_WRAP_LYNKS },
        { "CKM_KEY_WRAP_SET_OAEP", CKM_KEY_WRAP_SET_OAEP },
        { "CKM_CMS_SIG", CKM_CMS_SIG },
        { "CKM_KIP_DERIVE", CKM_KIP_DERIVE },
        { "CKM_KIP_WRAP", CKM_KIP_WRAP },
        { "CKM_KIP_MAC", CKM_KIP_MAC },
        { "CKM_CAMELLIA_KEY_GEN", CKM_CAMELLIA_KEY_GEN },
        { "CKM_CAMELLIA_ECB", CKM_CAMELLIA_ECB },
        { "CKM_CAMELLIA_CBC", CKM_CAMELLIA_CBC },
        { "CKM_CAMELLIA_MAC", CKM_CAMELLIA_MAC },
        { "CKM_CAMELLIA_MAC_GENERAL", CKM_CAMELLIA_MAC_GENERAL },
        { "CKM_CAMELLIA_CBC_PAD", CKM_CAMELLIA_CBC_PAD },
        { "CKM_CAMELLIA_ECB_ENCRYPT_DATA", CKM_CAMELLIA_ECB_ENCRYPT_DATA },
        { "CKM_CAMELLIA_CBC_ENCRYPT_DATA", CKM_CAMELLIA_CBC_ENCRYPT_DATA },
        { "CKM_CAMELLIA_CTR", CKM_CAMELLIA_CTR },
        { "CKM_ARIA_KEY_GEN", CKM_ARIA_KEY_GEN },
        { "CKM_ARIA_ECB", CKM_ARIA_ECB },
        { "CKM_ARIA_CBC", CKM_ARIA_CBC },
        { "CKM_ARIA_MAC", CKM_ARIA_MAC },
        { "CKM_ARIA_MAC_GENERAL", CKM_ARIA_MAC_GENERAL },
        { "CKM_ARIA_CBC_PAD", CKM_ARIA_CBC_PAD },
        { "CKM_ARIA_ECB_ENCRYPT_DATA", CKM_ARIA_ECB_ENCRYPT_DATA },
        { "CKM_ARIA_CBC_ENCRYPT_DATA", CKM_ARIA_CBC_ENCRYPT_DATA },
        { "CKM_SEED_KEY_GEN", CKM_SEED_KEY_GEN },
        { "CKM_SEED_ECB", CKM_SEED_ECB },
        { "CKM_SEED_CBC", CKM_SEED_CBC },
        { "CKM_SEED_MAC", CKM_SEED_MAC },
        { "CKM_SEED_MAC_GENERAL", CKM_SEED_MAC_GENERAL },
        { "CKM_SEED_CBC_PAD", CKM_SEED_CBC_PAD },
        { "CKM_SEED_ECB_ENCRYPT_DATA", CKM_SEED_ECB_ENCRYPT_DATA },
        { "CKM_SEED_CBC_ENCRYPT_DATA", CKM_SEED_CBC_ENCRYPT_DATA },
        { "CKM_SKIPJACK_KEY_GEN", CKM_SKIPJACK_KEY_GEN },
        { "CKM_SKIPJACK_ECB64", CKM_SKIPJACK_ECB64 },
        { "CKM_SKIPJACK_CBC64", CKM_SKIPJACK_CBC64 },
        { "CKM_SKIPJACK_OFB64", CKM_SKIPJACK_OFB64 },
        { "CKM_SKIPJACK_CFB64", CKM_SKIPJACK_CFB64 },
        { "CKM_SKIPJACK_CFB32", CKM_SKIPJACK_CFB32 },
        { "CKM_SKIPJACK_CFB16", CKM_SKIPJACK_CFB16 },
        { "CKM_SKIPJACK_CFB8", CKM_SKIPJACK_CFB8 },
        { "CKM_SKIPJACK_WRAP", CKM_SKIPJACK_WRAP },
        { "CKM_SKIPJACK_PRIVATE_WRAP", CKM_SKIPJACK_PRIVATE_WRAP },
        { "CKM_SKIPJACK_RELAYX", CKM_SKIPJACK_RELAYX },
        { "CKM_KEA_KEY_PAIR_GEN", CKM_KEA_KEY_PAIR_GEN },
        { "CKM_KEA_KEY_DERIVE", CKM_KEA_KEY_DERIVE },
        { "CKM_KEA_DERIVE", CKM_KEA_DERIVE },
        { "CKM_FORTEZZA_TIMESTAMP", CKM_FORTEZZA_TIMESTAMP },
        { "CKM_BATON_KEY_GEN", CKM_BATON_KEY_GEN },
        { "CKM_BATON_ECB128", CKM_BATON_ECB128 },
        { "CKM_BATON_ECB96", CKM_BATON_ECB96 },
        { "CKM_BATON_CBC128", CKM_BATON_CBC128 },
        { "CKM_BATON_COUNTER", CKM_BATON_COUNTER },
        { "CKM_BATON_SHUFFLE", CKM_BATON_SHUFFLE },
        { "CKM_BATON_WRAP", CKM_BATON_WRAP },
        { "CKM_ECDSA_KEY_PAIR_GEN", CKM_ECDSA_KEY_PAIR_GEN },
        { "CKM_EC_KEY_PAIR_GEN", CKM_EC_KEY_PAIR_GEN },
        { "CKM_ECDSA", CKM_ECDSA },
        { "CKM_ECDSA_SHA1", CKM_ECDSA_SHA1 },
        { "CKM_ECDSA_SHA224", CKM_ECDSA_SHA224 },
        { "CKM_ECDSA_SHA256", CKM_ECDSA_SHA256 },
        { "CKM_ECDSA_SHA384", CKM_ECDSA_SHA384 },
        { "CKM_ECDSA_SHA512", CKM_ECDSA_SHA512 },
        { "CKM_ECDH1_DERIVE", CKM_ECDH1_DERIVE },
        { "CKM_ECDH1_COFACTOR_DERIVE", CKM_ECDH1_COFACTOR_DERIVE },
        { "CKM_ECMQV_DERIVE", CKM_ECMQV_DERIVE },
        { "CKM_ECDH_AES_KEY_WRAP", CKM_ECDH_AES_KEY_WRAP },
        { "CKM_RSA_AES_KEY_WRAP", CKM_RSA_AES_KEY_WRAP },
        { "CKM_JUNIPER_KEY_GEN", CKM_JUNIPER_KEY_GEN },
        { "CKM_JUNIPER_ECB128", CKM_JUNIPER_ECB128 },
        { "CKM_JUNIPER_CBC128", CKM_JUNIPER_CBC128 },
        { "CKM_JUNIPER_COUNTER", CKM_JUNIPER_COUNTER },
        { "CKM_JUNIPER_SHUFFLE", CKM_JUNIPER_SHUFFLE },
        { "CKM_JUNIPER_WRAP", CKM_JUNIPER_WRAP },
        { "CKM_FASTHASH", CKM_FASTHASH },
        { "CKM_AES_KEY_GEN", CKM_AES_KEY_GEN },
        { "CKM_AES_ECB", CKM_AES_ECB },
        { "CKM_AES_CBC", CKM_AES_CBC },
        { "CKM_AES_MAC", CKM_AES_MAC },
        { "CKM_AES_MAC_GENERAL", CKM_AES_MAC_GENERAL },
        { "CKM_AES_CBC_PAD", CKM_AES_CBC_PAD },
        { "CKM_AES_CTR", CKM_AES_CTR },
        { "CKM_AES_GCM", CKM_AES_GCM },
        { "CKM_AES_CCM", CKM_AES_CCM },
        { "CKM_AES_CTS", CKM_AES_CTS },
        { "CKM_AES_CMAC", CKM_AES_CMAC },
        { "CKM_AES_CMAC_GENERAL", CKM_AES_CMAC_GENERAL },
        { "CKM_AES_XCBC_MAC", CKM_AES_XCBC_MAC },
        { "CKM_AES_XCBC_MAC_96", CKM_AES_XCBC_MAC_96 },
        { "CKM_AES_GMAC", CKM_AES_GMAC },
        { "CKM_BLOWFISH_KEY_GEN", CKM_BLOWFISH_KEY_GEN },
        { "CKM_BLOWFISH_CBC", CKM_BLOWFISH_CBC },
        { "CKM_TWOFISH_KEY_GEN", CKM_TWOFISH_KEY_GEN },
        { "CKM_TWOFISH_CBC", CKM_TWOFISH_CBC },
        { "CKM_BLOWFISH_CBC_PAD", CKM_BLOWFISH_CBC_PAD },
        { "CKM_TWOFISH_CBC_PAD", CKM_TWOFISH_CBC_PAD },
        { "CKM_DES_ECB_ENCRYPT_DATA", CKM_DES_ECB_ENCRYPT_DATA },
        { "CKM_DES_CBC_ENCRYPT_DATA", CKM_DES_CBC_ENCRYPT_DATA },
        { "CKM_DES3_ECB_ENCRYPT_DATA", CKM_DES3_ECB_ENCRYPT_DATA },
        { "CKM_DES3_CBC_ENCRYPT_DATA", CKM_DES3_CBC_ENCRYPT_DATA },
        { "CKM_AES_ECB_ENCRYPT_DATA", CKM_AES_ECB_ENCRYPT_DATA },
        { "CKM_AES_CBC_ENCRYPT_DATA", CKM_AES_CBC_ENCRYPT_DATA },
        { "CKM_GOSTR3410_KEY_PAIR_GEN", CKM_GOSTR3410_KEY_PAIR_GEN },
        { "CKM_GOSTR3410", CKM_GOSTR3410 },
        { "CKM_GOSTR3410_WITH_GOSTR3411", CKM_GOSTR3410_WITH_GOSTR3411 },
        { "CKM_GOSTR3410_KEY_WRAP", CKM_GOSTR3410_KEY_WRAP },
        { "CKM_GOSTR3410_DERIVE", CKM_GOSTR3410_DERIVE },
        { "CKM_GOSTR3411", CKM_GOSTR3411 },
        { "CKM_GOSTR3411_HMAC", CKM_GOSTR3411_HMAC },
        { "CKM_GOST28147_KEY_GEN", CKM_GOST28147_KEY_GEN },
        { "CKM_GOST28147_ECB", CKM_GOST28147_ECB },
        { "CKM_GOST28147", CKM_GOST28147 },
        { "CKM_GOST28147_MAC", CKM_GOST28147_MAC },
        { "CKM_GOST28147_KEY_WRAP", CKM_GOST28147_KEY_WRAP },
        { "CKM_DSA_PARAMETER_GEN", CKM_DSA_PARAMETER_GEN },
        { "CKM_DH_PKCS_PARAMETER_GEN", CKM_DH_PKCS_PARAMETER_GEN },
        { "CKM_X9_42_DH_PARAMETER_GEN", CKM_X9_42_DH_PARAMETER_GEN },
        { "CKM_DSA_PROBABLISTIC_PARAMETER_GEN",
            CKM_DSA_PROBABLISTIC_PARAMETER_GEN },
        { "CKM_DSA_SHAWE_TAYLOR_PARAMETER_GEN",
            CKM_DSA_SHAWE_TAYLOR_PARAMETER_GEN },
        { "CKM_AES_OFB", CKM_AES_OFB },
        { "CKM_AES_CFB64", CKM_AES_CFB64 },
        { "CKM_AES_CFB8", CKM_AES_CFB8 },
        { "CKM_AES_CFB128", CKM_AES_CFB128 },
        { "CKM_AES_CFB1", CKM_AES_CFB1 },
        { "CKM_AES_KEY_WRAP", CKM_AES_KEY_WRAP },
        { "CKM_AES_KEY_WRAP_PAD", CKM_AES_KEY_WRAP_PAD },
        { "CKM_RSA_PKCS_TPM_1_1", CKM_RSA_PKCS_TPM_1_1 },
        { "CKM_RSA_PKCS_OAEP_TPM_1_1", CKM_RSA_PKCS_OAEP_TPM_1_1 },
        /*
         * Values >= 0x8000000 (CKM_VENDOR_DEFINED) are represented
         * as strings with hexadecimal numbers (e.g., "0x8123456").
         */
        { NULL, 0 }
};


/*
 * pkcs11_mech_comp - compare two pkcs11_mapping_t structures
 *
 * Return a strcmp-like result (positive, zero, or negative).
 * For use with bsearch(3C) in pkcs11_mech2str().
 */
static int
pkcs11_mech_comp(const void *mapping1, const void *mapping2)
{
        return (((pkcs11_mapping_t *)mapping1)->mech -
            ((pkcs11_mapping_t *)mapping2)->mech);
}


/*
 * pkcs11_mech2str - convert PKCS#11 mech to a string
 *
 * Anything below CKM_VENDOR_DEFINED that wasn't in the mapping table
 * at build time causes NULL to be returned.  Anything above it also
 * returns NULL since we have no way to know its real name.
 */
const char
*pkcs11_mech2str(CK_MECHANISM_TYPE mech)
{
        pkcs11_mapping_t        target;
        pkcs11_mapping_t        *result = NULL;

        if (mech >= CKM_VENDOR_DEFINED) {
                return (NULL);
        }

        /* Search for the mechanism number using bsearch(3C) */
        target.mech = mech;
        target.str = NULL;
        result = (pkcs11_mapping_t *)bsearch((void *)&target, (void *)mapping,
            (sizeof (mapping) / sizeof (pkcs11_mapping_t)) - 1,
            sizeof (pkcs11_mapping_t), pkcs11_mech_comp);
        if (result != NULL) {
                return (result->str);
        }

        return (NULL);
}

/*
 * pkcs11_str2mech - convert a string into a PKCS#11 mech number.
 *
 * Since there isn't a reserved value for an invalid mech we return
 * CKR_MECHANISM_INVALID for anything we don't recognise.
 * The value in mech isn't meaningful in these cases.
 */
CK_RV
pkcs11_str2mech(char *mech_str, CK_MECHANISM_TYPE_PTR mech)
{
        int     i;
        int     compare_off = 0;

        if (mech_str == NULL)
                return (CKR_MECHANISM_INVALID);

        if (strncasecmp(mech_str, "0x", 2) == 0) {
                long long llnum;
                cryptodebug("pkcs11_str2mech: hex string passed in: %s",
                    mech_str);
                llnum = strtoll(mech_str, NULL, 16);
                if ((llnum >= CKM_VENDOR_DEFINED) && (llnum <= UINT_MAX)) {
                        *mech = llnum;
                        return (CKR_OK);
                } else {
                        return (CKR_MECHANISM_INVALID);
                }
        }

        /* If there's no CKM_ prefix, then ignore it in comparisons */
        if (strncasecmp(mech_str, "CKM_", 4) != 0) {
                cryptodebug("pkcs11_str2mech: no CKM_ prefix: %s", mech_str);
                cryptodebug("pkcs11_str2mech: with prefix: CKM_%s", mech_str);
                compare_off = 4;
        }

        /* Linear search for a matching string */
        for (i = 0; mapping[i].str; i++) {
                if (strcasecmp(&mapping[i].str[compare_off], mech_str) == 0) {
                        *mech = mapping[i].mech;
                        return (CKR_OK);
                }
        }

        return (CKR_MECHANISM_INVALID);
}