/*
 * 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.
 */

#ifndef _SYS_CRYPTO_SPI_H
#define _SYS_CRYPTO_SPI_H

/*
 * CSPI: Cryptographic Service Provider Interface.
 */

#include <sys/types.h>
#include <sys/dditypes.h>
#include <sys/ddi.h>
#include <sys/kmem.h>
#include <sys/crypto/common.h>

#ifdef  __cplusplus
extern "C" {
#endif

#ifdef  _KERNEL

#define CRYPTO_SPI_VERSION_1    1
#define CRYPTO_SPI_VERSION_2    2
#define CRYPTO_SPI_VERSION_3    3
#define CRYPTO_SPI_VERSION_4    4

/*
 * Provider-private handle. This handle is specified by a provider
 * when it registers by means of the pi_provider_handle field of
 * the crypto_provider_info structure, and passed to the provider
 * when its entry points are invoked.
 */
typedef void *crypto_provider_handle_t;

/*
 * Context templates can be used to by software providers to pre-process
 * keying material, such as key schedules. They are allocated by
 * a software provider create_ctx_template(9E) entry point, and passed
 * as argument to initialization and atomic provider entry points.
 */
typedef void *crypto_spi_ctx_template_t;

/*
 * Request handles are used by the kernel to identify an asynchronous
 * request being processed by a provider. It is passed by the kernel
 * to a hardware provider when submitting a request, and must be
 * specified by a provider when calling crypto_op_notification(9F)
 */
typedef void *crypto_req_handle_t;

/* Values for cc_flags field */
#define CRYPTO_INIT_OPSTATE     0x00000001 /* allocate and init cc_opstate */
#define CRYPTO_USE_OPSTATE      0x00000002 /* .. start using it as context */

/*
 * The context structure is passed from the kernel to a provider.
 * It contains the information needed to process a multi-part or
 * single part operation. The context structure is not used
 * by atomic operations.
 *
 * Parameters needed to perform a cryptographic operation, such
 * as keys, mechanisms, input and output buffers, are passed
 * as separate arguments to Provider routines.
 */
typedef struct crypto_ctx {
        crypto_provider_handle_t cc_provider;
        crypto_session_id_t     cc_session;
        void                    *cc_provider_private;   /* owned by provider */
        void                    *cc_framework_private;  /* owned by framework */
        uint32_t                cc_flags;               /* flags */
        void                    *cc_opstate;            /* state */
} crypto_ctx_t;

/*
 * Extended provider information.
 */

/*
 * valid values for ei_flags field of extended info structure
 * They match the RSA Security, Inc PKCS#11 tokenInfo flags.
 */
#define CRYPTO_EXTF_RNG                                 0x00000001
#define CRYPTO_EXTF_WRITE_PROTECTED                     0x00000002
#define CRYPTO_EXTF_LOGIN_REQUIRED                      0x00000004
#define CRYPTO_EXTF_USER_PIN_INITIALIZED                0x00000008
#define CRYPTO_EXTF_CLOCK_ON_TOKEN                      0x00000040
#define CRYPTO_EXTF_PROTECTED_AUTHENTICATION_PATH       0x00000100
#define CRYPTO_EXTF_DUAL_CRYPTO_OPERATIONS              0x00000200
#define CRYPTO_EXTF_TOKEN_INITIALIZED                   0x00000400
#define CRYPTO_EXTF_USER_PIN_COUNT_LOW                  0x00010000
#define CRYPTO_EXTF_USER_PIN_FINAL_TRY                  0x00020000
#define CRYPTO_EXTF_USER_PIN_LOCKED                     0x00040000
#define CRYPTO_EXTF_USER_PIN_TO_BE_CHANGED              0x00080000
#define CRYPTO_EXTF_SO_PIN_COUNT_LOW                    0x00100000
#define CRYPTO_EXTF_SO_PIN_FINAL_TRY                    0x00200000
#define CRYPTO_EXTF_SO_PIN_LOCKED                       0x00400000
#define CRYPTO_EXTF_SO_PIN_TO_BE_CHANGED                0x00800000

/*
 * The crypto_control_ops structure contains pointers to control
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_control_ops {
        void (*provider_status)(crypto_provider_handle_t, uint_t *);
} crypto_control_ops_t;

/*
 * The crypto_ctx_ops structure contains points to context and context
 * templates management operations for cryptographic providers. It is
 * passed through the crypto_ops(9S) structure when providers register
 * with the kernel using crypto_register_provider(9F).
 */
typedef struct crypto_ctx_ops {
        int (*create_ctx_template)(crypto_provider_handle_t,
            crypto_mechanism_t *, crypto_key_t *,
            crypto_spi_ctx_template_t *, size_t *, crypto_req_handle_t);
        int (*free_context)(crypto_ctx_t *);
} crypto_ctx_ops_t;

/*
 * The crypto_digest_ops structure contains pointers to digest
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_digest_ops {
        int (*digest_init)(crypto_ctx_t *, crypto_mechanism_t *,
            crypto_req_handle_t);
        int (*digest)(crypto_ctx_t *, crypto_data_t *, crypto_data_t *,
            crypto_req_handle_t);
        int (*digest_update)(crypto_ctx_t *, crypto_data_t *,
            crypto_req_handle_t);
        int (*digest_key)(crypto_ctx_t *, crypto_key_t *, crypto_req_handle_t);
        int (*digest_final)(crypto_ctx_t *, crypto_data_t *,
            crypto_req_handle_t);
        int (*digest_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_data_t *,
            crypto_data_t *, crypto_req_handle_t);
} crypto_digest_ops_t;

/*
 * The crypto_cipher_ops structure contains pointers to encryption
 * and decryption operations for cryptographic providers.  It is
 * passed through the crypto_ops(9S) structure when providers register
 * with the kernel using crypto_register_provider(9F).
 */
typedef struct crypto_cipher_ops {
        int (*encrypt_init)(crypto_ctx_t *,
            crypto_mechanism_t *, crypto_key_t *,
            crypto_spi_ctx_template_t, crypto_req_handle_t);
        int (*encrypt)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*encrypt_update)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*encrypt_final)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*encrypt_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
            crypto_data_t *, crypto_spi_ctx_template_t, crypto_req_handle_t);

        int (*decrypt_init)(crypto_ctx_t *,
            crypto_mechanism_t *, crypto_key_t *,
            crypto_spi_ctx_template_t, crypto_req_handle_t);
        int (*decrypt)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*decrypt_update)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*decrypt_final)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*decrypt_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
            crypto_data_t *, crypto_spi_ctx_template_t, crypto_req_handle_t);
} crypto_cipher_ops_t;

/*
 * The crypto_mac_ops structure contains pointers to MAC
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_mac_ops {
        int (*mac_init)(crypto_ctx_t *,
            crypto_mechanism_t *, crypto_key_t *,
            crypto_spi_ctx_template_t, crypto_req_handle_t);
        int (*mac)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*mac_update)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*mac_final)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*mac_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
            crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
        int (*mac_verify_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
            crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
} crypto_mac_ops_t;

/*
 * The crypto_sign_ops structure contains pointers to signing
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_sign_ops {
        int (*sign_init)(crypto_ctx_t *,
            crypto_mechanism_t *, crypto_key_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
        int (*sign)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*sign_update)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*sign_final)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*sign_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
            crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
        int (*sign_recover_init)(crypto_ctx_t *, crypto_mechanism_t *,
            crypto_key_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
        int (*sign_recover)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*sign_recover_atomic)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
            crypto_data_t *, crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
} crypto_sign_ops_t;

/*
 * The crypto_verify_ops structure contains pointers to verify
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_verify_ops {
        int (*verify_init)(crypto_ctx_t *,
            crypto_mechanism_t *, crypto_key_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
        int (*verify)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*verify_update)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*verify_final)(crypto_ctx_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*verify_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
            crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
        int (*verify_recover_init)(crypto_ctx_t *, crypto_mechanism_t *,
            crypto_key_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
        int (*verify_recover)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*verify_recover_atomic)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
            crypto_data_t *, crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_req_handle_t);
} crypto_verify_ops_t;

/*
 * The crypto_dual_ops structure contains pointers to dual
 * cipher and sign/verify operations for cryptographic providers.
 * It is passed through the crypto_ops(9S) structure when
 * providers register with the kernel using
 * crypto_register_provider(9F).
 */
typedef struct crypto_dual_ops {
        int (*digest_encrypt_update)(
            crypto_ctx_t *, crypto_ctx_t *, crypto_data_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*decrypt_digest_update)(
            crypto_ctx_t *, crypto_ctx_t *, crypto_data_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*sign_encrypt_update)(
            crypto_ctx_t *, crypto_ctx_t *, crypto_data_t *,
            crypto_data_t *, crypto_req_handle_t);
        int (*decrypt_verify_update)(
            crypto_ctx_t *, crypto_ctx_t *, crypto_data_t *,
            crypto_data_t *, crypto_req_handle_t);
} crypto_dual_ops_t;

/*
 * The crypto_dual_cipher_mac_ops structure contains pointers to dual
 * cipher and MAC operations for cryptographic providers.
 * It is passed through the crypto_ops(9S) structure when
 * providers register with the kernel using
 * crypto_register_provider(9F).
 */
typedef struct crypto_dual_cipher_mac_ops {
        int (*encrypt_mac_init)(crypto_ctx_t *,
            crypto_mechanism_t *, crypto_key_t *, crypto_mechanism_t *,
            crypto_key_t *, crypto_spi_ctx_template_t,
            crypto_spi_ctx_template_t, crypto_req_handle_t);
        int (*encrypt_mac)(crypto_ctx_t *,
            crypto_data_t *, crypto_dual_data_t *, crypto_data_t *,
            crypto_req_handle_t);
        int (*encrypt_mac_update)(crypto_ctx_t *,
            crypto_data_t *, crypto_dual_data_t *, crypto_req_handle_t);
        int (*encrypt_mac_final)(crypto_ctx_t *,
            crypto_dual_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*encrypt_mac_atomic)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_mechanism_t *,
            crypto_key_t *, crypto_data_t *, crypto_dual_data_t *,
            crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_spi_ctx_template_t, crypto_req_handle_t);

        int (*mac_decrypt_init)(crypto_ctx_t *,
            crypto_mechanism_t *, crypto_key_t *, crypto_mechanism_t *,
            crypto_key_t *, crypto_spi_ctx_template_t,
            crypto_spi_ctx_template_t, crypto_req_handle_t);
        int (*mac_decrypt)(crypto_ctx_t *,
            crypto_dual_data_t *, crypto_data_t *, crypto_data_t *,
            crypto_req_handle_t);
        int (*mac_decrypt_update)(crypto_ctx_t *,
            crypto_dual_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*mac_decrypt_final)(crypto_ctx_t *,
            crypto_data_t *, crypto_data_t *, crypto_req_handle_t);
        int (*mac_decrypt_atomic)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
            crypto_mechanism_t *, crypto_key_t *, crypto_dual_data_t *,
            crypto_data_t *, crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_spi_ctx_template_t, crypto_req_handle_t);
        int (*mac_verify_decrypt_atomic)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
            crypto_mechanism_t *, crypto_key_t *, crypto_dual_data_t *,
            crypto_data_t *, crypto_data_t *, crypto_spi_ctx_template_t,
            crypto_spi_ctx_template_t, crypto_req_handle_t);
} crypto_dual_cipher_mac_ops_t;

/*
 * The crypto_random_number_ops structure contains pointers to random
 * number operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_random_number_ops {
        int (*seed_random)(crypto_provider_handle_t, crypto_session_id_t,
            uchar_t *, size_t, uint_t, uint32_t, crypto_req_handle_t);
        int (*generate_random)(crypto_provider_handle_t, crypto_session_id_t,
            uchar_t *, size_t, crypto_req_handle_t);
} crypto_random_number_ops_t;

/*
 * Flag values for seed_random.
 */
#define CRYPTO_SEED_NOW         0x00000001

/*
 * The crypto_session_ops structure contains pointers to session
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_session_ops {
        int (*session_open)(crypto_provider_handle_t, crypto_session_id_t *,
            crypto_req_handle_t);
        int (*session_close)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_req_handle_t);
        int (*session_login)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_user_type_t, char *, size_t, crypto_req_handle_t);
        int (*session_logout)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_req_handle_t);
} crypto_session_ops_t;

/*
 * The crypto_object_ops structure contains pointers to object
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_object_ops {
        int (*object_create)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
            crypto_req_handle_t);
        int (*object_copy)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_object_id_t, crypto_object_attribute_t *, uint_t,
            crypto_object_id_t *, crypto_req_handle_t);
        int (*object_destroy)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_object_id_t, crypto_req_handle_t);
        int (*object_get_size)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_object_id_t, size_t *, crypto_req_handle_t);
        int (*object_get_attribute_value)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_object_id_t,
            crypto_object_attribute_t *, uint_t, crypto_req_handle_t);
        int (*object_set_attribute_value)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_object_id_t,
            crypto_object_attribute_t *,  uint_t, crypto_req_handle_t);
        int (*object_find_init)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_object_attribute_t *, uint_t, void **,
            crypto_req_handle_t);
        int (*object_find)(crypto_provider_handle_t, void *,
            crypto_object_id_t *, uint_t, uint_t *, crypto_req_handle_t);
        int (*object_find_final)(crypto_provider_handle_t, void *,
            crypto_req_handle_t);
} crypto_object_ops_t;

/*
 * The crypto_key_ops structure contains pointers to key
 * operations for cryptographic providers.  It is passed through
 * the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_key_ops {
        int (*key_generate)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_object_attribute_t *, uint_t,
            crypto_object_id_t *, crypto_req_handle_t);
        int (*key_generate_pair)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_object_attribute_t *, uint_t,
            crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
            crypto_object_id_t *, crypto_req_handle_t);
        int (*key_wrap)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_object_id_t *,
            uchar_t *, size_t *, crypto_req_handle_t);
        int (*key_unwrap)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, uchar_t *, size_t *,
            crypto_object_attribute_t *, uint_t,
            crypto_object_id_t *, crypto_req_handle_t);
        int (*key_derive)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_object_attribute_t *,
            uint_t, crypto_object_id_t *, crypto_req_handle_t);
        int (*key_check)(crypto_provider_handle_t, crypto_mechanism_t *,
            crypto_key_t *);
} crypto_key_ops_t;

/*
 * The crypto_provider_management_ops structure contains pointers
 * to management operations for cryptographic providers.  It is passed
 * through the crypto_ops(9S) structure when providers register with the
 * kernel using crypto_register_provider(9F).
 */
typedef struct crypto_provider_management_ops {
        int (*ext_info)(crypto_provider_handle_t,
            crypto_provider_ext_info_t *, crypto_req_handle_t);
        int (*init_token)(crypto_provider_handle_t, char *, size_t,
            char *, crypto_req_handle_t);
        int (*init_pin)(crypto_provider_handle_t, crypto_session_id_t,
            char *, size_t, crypto_req_handle_t);
        int (*set_pin)(crypto_provider_handle_t, crypto_session_id_t,
            char *, size_t, char *, size_t, crypto_req_handle_t);
} crypto_provider_management_ops_t;

typedef struct crypto_mech_ops {
        int (*copyin_mechanism)(crypto_provider_handle_t,
            crypto_mechanism_t *, crypto_mechanism_t *, int *, int);
        int (*copyout_mechanism)(crypto_provider_handle_t,
            crypto_mechanism_t *, crypto_mechanism_t *, int *, int);
        int (*free_mechanism)(crypto_provider_handle_t, crypto_mechanism_t *);
} crypto_mech_ops_t;

typedef struct crypto_nostore_key_ops {
        int (*nostore_key_generate)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_mechanism_t *,
            crypto_object_attribute_t *, uint_t, crypto_object_attribute_t *,
            uint_t, crypto_req_handle_t);
        int (*nostore_key_generate_pair)(crypto_provider_handle_t,
            crypto_session_id_t, crypto_mechanism_t *,
            crypto_object_attribute_t *, uint_t, crypto_object_attribute_t *,
            uint_t, crypto_object_attribute_t *, uint_t,
            crypto_object_attribute_t *, uint_t, crypto_req_handle_t);
        int (*nostore_key_derive)(crypto_provider_handle_t, crypto_session_id_t,
            crypto_mechanism_t *, crypto_key_t *, crypto_object_attribute_t *,
            uint_t, crypto_object_attribute_t *, uint_t, crypto_req_handle_t);
} crypto_nostore_key_ops_t;

/*
 * crypto_fips140_ops provides a function for FIPS 140 Power-On Self Test for
 * those providers that are part of the Cryptographic Framework bounday.  See
 * crypto_fips140_ops(9s) for details.
 */
typedef struct crypto_fips140_ops {
        void (*fips140_post)(int *);
} crypto_fips140_ops_t;

/*
 * The crypto_ops(9S) structure contains the structures containing
 * the pointers to functions implemented by cryptographic providers.
 * It is specified as part of the crypto_provider_info(9S)
 * supplied by a provider when it registers with the kernel
 * by calling crypto_register_provider(9F).
 */
typedef struct crypto_ops_v1 {
        crypto_control_ops_t                    *co_control_ops;
        crypto_digest_ops_t                     *co_digest_ops;
        crypto_cipher_ops_t                     *co_cipher_ops;
        crypto_mac_ops_t                        *co_mac_ops;
        crypto_sign_ops_t                       *co_sign_ops;
        crypto_verify_ops_t                     *co_verify_ops;
        crypto_dual_ops_t                       *co_dual_ops;
        crypto_dual_cipher_mac_ops_t            *co_dual_cipher_mac_ops;
        crypto_random_number_ops_t              *co_random_ops;
        crypto_session_ops_t                    *co_session_ops;
        crypto_object_ops_t                     *co_object_ops;
        crypto_key_ops_t                        *co_key_ops;
        crypto_provider_management_ops_t        *co_provider_ops;
        crypto_ctx_ops_t                        *co_ctx_ops;
} crypto_ops_v1_t;

typedef struct crypto_ops_v2 {
        crypto_ops_v1_t                         v1_ops;
        crypto_mech_ops_t                       *co_mech_ops;
} crypto_ops_v2_t;

typedef struct crypto_ops_v3 {
        crypto_ops_v2_t                         v2_ops;
        crypto_nostore_key_ops_t                *co_nostore_key_ops;
} crypto_ops_v3_t;

typedef struct crypto_ops_v4 {
        crypto_ops_v3_t                         v3_ops;
        crypto_fips140_ops_t                    *co_fips140_ops;
} crypto_ops_v4_t;

typedef struct crypto_ops {
        union {
                crypto_ops_v4_t cou_v4;
                crypto_ops_v3_t cou_v3;
                crypto_ops_v2_t cou_v2;
                crypto_ops_v1_t cou_v1;
        } cou;
} crypto_ops_t;

#define co_control_ops                  cou.cou_v1.co_control_ops
#define co_digest_ops                   cou.cou_v1.co_digest_ops
#define co_cipher_ops                   cou.cou_v1.co_cipher_ops
#define co_mac_ops                      cou.cou_v1.co_mac_ops
#define co_sign_ops                     cou.cou_v1.co_sign_ops
#define co_verify_ops                   cou.cou_v1.co_verify_ops
#define co_dual_ops                     cou.cou_v1.co_dual_ops
#define co_dual_cipher_mac_ops          cou.cou_v1.co_dual_cipher_mac_ops
#define co_random_ops                   cou.cou_v1.co_random_ops
#define co_session_ops                  cou.cou_v1.co_session_ops
#define co_object_ops                   cou.cou_v1.co_object_ops
#define co_key_ops                      cou.cou_v1.co_key_ops
#define co_provider_ops                 cou.cou_v1.co_provider_ops
#define co_ctx_ops                      cou.cou_v1.co_ctx_ops
#define co_mech_ops                     cou.cou_v2.co_mech_ops
#define co_nostore_key_ops              cou.cou_v3.co_nostore_key_ops
#define co_fips140_ops                  cou.cou_v4.co_fips140_ops

/*
 * Provider device specification passed during registration.
 *
 * Software providers set the pi_provider_type field of provider_info_t
 * to CRYPTO_SW_PROVIDER, and set the pd_sw field of
 * crypto_provider_dev_t to the address of their modlinkage.
 *
 * Hardware providers set the pi_provider_type field of provider_info_t
 * to CRYPTO_HW_PROVIDER, and set the pd_hw field of
 * crypto_provider_dev_t to the dev_info structure corresponding
 * to the device instance being registered.
 *
 * Logical providers set the pi_provider_type field of provider_info_t
 * to CRYPTO_LOGICAL_PROVIDER, and set the pd_hw field of
 * crypto_provider_dev_t to the dev_info structure corresponding
 * to the device instance being registered.
 */

typedef union crypto_provider_dev {
        struct modlinkage       *pd_sw; /* for CRYPTO_SW_PROVIDER */
        dev_info_t              *pd_hw; /* for CRYPTO_HW_PROVIDER */
} crypto_provider_dev_t;

#endif /* _KERNEL */

/*
 * The mechanism info structure crypto_mech_info_t contains a function group
 * bit mask cm_func_group_mask. This field, of type crypto_func_group_t,
 * specifies the provider entry point that can be used a particular
 * mechanism. The function group mask is a combination of the following values.
 */

typedef uint32_t crypto_func_group_t;

#define CRYPTO_FG_ENCRYPT               0x00000001 /* encrypt_init() */
#define CRYPTO_FG_DECRYPT               0x00000002 /* decrypt_init() */
#define CRYPTO_FG_DIGEST                0x00000004 /* digest_init() */
#define CRYPTO_FG_SIGN                  0x00000008 /* sign_init() */
#define CRYPTO_FG_SIGN_RECOVER          0x00000010 /* sign_recover_init() */
#define CRYPTO_FG_VERIFY                0x00000020 /* verify_init() */
#define CRYPTO_FG_VERIFY_RECOVER        0x00000040 /* verify_recover_init() */
#define CRYPTO_FG_GENERATE              0x00000080 /* key_generate() */
#define CRYPTO_FG_GENERATE_KEY_PAIR     0x00000100 /* key_generate_pair() */
#define CRYPTO_FG_WRAP                  0x00000200 /* key_wrap() */
#define CRYPTO_FG_UNWRAP                0x00000400 /* key_unwrap() */
#define CRYPTO_FG_DERIVE                0x00000800 /* key_derive() */
#define CRYPTO_FG_MAC                   0x00001000 /* mac_init() */
#define CRYPTO_FG_ENCRYPT_MAC           0x00002000 /* encrypt_mac_init() */
#define CRYPTO_FG_MAC_DECRYPT           0x00004000 /* decrypt_mac_init() */
#define CRYPTO_FG_ENCRYPT_ATOMIC        0x00008000 /* encrypt_atomic() */
#define CRYPTO_FG_DECRYPT_ATOMIC        0x00010000 /* decrypt_atomic() */
#define CRYPTO_FG_MAC_ATOMIC            0x00020000 /* mac_atomic() */
#define CRYPTO_FG_DIGEST_ATOMIC         0x00040000 /* digest_atomic() */
#define CRYPTO_FG_SIGN_ATOMIC           0x00080000 /* sign_atomic() */
#define CRYPTO_FG_SIGN_RECOVER_ATOMIC   0x00100000 /* sign_recover_atomic() */
#define CRYPTO_FG_VERIFY_ATOMIC         0x00200000 /* verify_atomic() */
#define CRYPTO_FG_VERIFY_RECOVER_ATOMIC 0x00400000 /* verify_recover_atomic() */
#define CRYPTO_FG_ENCRYPT_MAC_ATOMIC    0x00800000 /* encrypt_mac_atomic() */
#define CRYPTO_FG_MAC_DECRYPT_ATOMIC    0x01000000 /* mac_decrypt_atomic() */
#define CRYPTO_FG_RESERVED              0x80000000

/*
 * Maximum length of the pi_provider_description field of the
 * crypto_provider_info structure.
 */
#define CRYPTO_PROVIDER_DESCR_MAX_LEN   64

#ifdef _KERNEL

/* Bit mask for all the simple operations */
#define CRYPTO_FG_SIMPLEOP_MASK (CRYPTO_FG_ENCRYPT | CRYPTO_FG_DECRYPT | \
    CRYPTO_FG_DIGEST | CRYPTO_FG_SIGN | CRYPTO_FG_VERIFY | CRYPTO_FG_MAC | \
    CRYPTO_FG_ENCRYPT_ATOMIC | CRYPTO_FG_DECRYPT_ATOMIC |               \
    CRYPTO_FG_MAC_ATOMIC | CRYPTO_FG_DIGEST_ATOMIC | CRYPTO_FG_SIGN_ATOMIC | \
    CRYPTO_FG_VERIFY_ATOMIC)

/* Bit mask for all the dual operations */
#define CRYPTO_FG_MAC_CIPHER_MASK       (CRYPTO_FG_ENCRYPT_MAC |        \
    CRYPTO_FG_MAC_DECRYPT | CRYPTO_FG_ENCRYPT_MAC_ATOMIC |              \
    CRYPTO_FG_MAC_DECRYPT_ATOMIC)

/* Add other combos to CRYPTO_FG_DUAL_MASK */
#define CRYPTO_FG_DUAL_MASK     CRYPTO_FG_MAC_CIPHER_MASK

/*
 * The crypto_mech_info structure specifies one of the mechanisms
 * supported by a cryptographic provider. The pi_mechanisms field of
 * the crypto_provider_info structure contains a pointer to an array
 * of crypto_mech_info's.
 */
typedef struct crypto_mech_info {
        crypto_mech_name_t      cm_mech_name;
        crypto_mech_type_t      cm_mech_number;
        crypto_func_group_t     cm_func_group_mask;
        ssize_t                 cm_min_key_length;
        ssize_t                 cm_max_key_length;
        uint32_t                cm_mech_flags;
} crypto_mech_info_t;

/* Alias the old name to the new name for compatibility. */
#define cm_keysize_unit cm_mech_flags

/*
 * crypto_kcf_provider_handle_t is a handle allocated by the kernel.
 * It is returned after the provider registers with
 * crypto_register_provider(), and must be specified by the provider
 * when calling crypto_unregister_provider(), and
 * crypto_provider_notification().
 */
typedef uint_t crypto_kcf_provider_handle_t;

/*
 * Provider information. Passed as argument to crypto_register_provider(9F).
 * Describes the provider and its capabilities. Multiple providers can
 * register for the same device instance. In this case, the same
 * pi_provider_dev must be specified with a different pi_provider_handle.
 */
typedef struct crypto_provider_info_v1 {
        uint_t                          pi_interface_version;
        char                            *pi_provider_description;
        crypto_provider_type_t          pi_provider_type;
        crypto_provider_dev_t           pi_provider_dev;
        crypto_provider_handle_t        pi_provider_handle;
        crypto_ops_t                    *pi_ops_vector;
        uint_t                          pi_mech_list_count;
        crypto_mech_info_t              *pi_mechanisms;
        uint_t                          pi_logical_provider_count;
        crypto_kcf_provider_handle_t    *pi_logical_providers;
} crypto_provider_info_v1_t;

typedef struct crypto_provider_info_v2 {
        crypto_provider_info_v1_t       v1_info;
        uint_t                          pi_flags;
} crypto_provider_info_v2_t;

typedef struct crypto_provider_info {
        union {
                crypto_provider_info_v2_t piu_v2;
                crypto_provider_info_v1_t piu_v1;
        } piu;
} crypto_provider_info_t;

#define pi_interface_version            piu.piu_v1.pi_interface_version
#define pi_provider_description         piu.piu_v1.pi_provider_description
#define pi_provider_type                piu.piu_v1.pi_provider_type
#define pi_provider_dev                 piu.piu_v1.pi_provider_dev
#define pi_provider_handle              piu.piu_v1.pi_provider_handle
#define pi_ops_vector                   piu.piu_v1.pi_ops_vector
#define pi_mech_list_count              piu.piu_v1.pi_mech_list_count
#define pi_mechanisms                   piu.piu_v1.pi_mechanisms
#define pi_logical_provider_count       piu.piu_v1.pi_logical_provider_count
#define pi_logical_providers            piu.piu_v1.pi_logical_providers
#define pi_flags                        piu.piu_v2.pi_flags

/* hidden providers can only be accessed via a logical provider */
#define CRYPTO_HIDE_PROVIDER            0x00000001
/*
 * provider can not do multi-part digest (updates) and has a limit
 * on maximum input data that it can digest. The provider sets
 * this value in crypto_provider_ext_info_t by implementing
 * the ext_info entry point in the co_provider_ops vector.
 */
#define CRYPTO_HASH_NO_UPDATE           0x00000002
/*
 * provider can not do multi-part HMAC (updates) and has a limit
 * on maximum input data that it can hmac. The provider sets
 * this value in crypto_provider_ext_info_t by implementing
 * the ext_info entry point in the co_provider_ops vector.
 */
#define CRYPTO_HMAC_NO_UPDATE           0x00000008

/* provider can handle the request without returning a CRYPTO_QUEUED */
#define CRYPTO_SYNCHRONOUS              0x00000004

#define CRYPTO_PIFLAGS_RESERVED2        0x40000000
#define CRYPTO_PIFLAGS_RESERVED1        0x80000000

/*
 * Provider status passed by a provider to crypto_provider_notification(9F)
 * and returned by the provider_status(9E) entry point.
 */
#define CRYPTO_PROVIDER_READY           0
#define CRYPTO_PROVIDER_BUSY            1
#define CRYPTO_PROVIDER_FAILED          2

/*
 * Functions exported by Solaris to cryptographic providers. Providers
 * call these functions to register and unregister, notify the kernel
 * of state changes, and notify the kernel when a asynchronous request
 * completed.
 */
extern int crypto_register_provider(crypto_provider_info_t *,
                crypto_kcf_provider_handle_t *);
extern int crypto_unregister_provider(crypto_kcf_provider_handle_t);
extern void crypto_provider_notification(crypto_kcf_provider_handle_t, uint_t);
extern void crypto_op_notification(crypto_req_handle_t, int);
extern int crypto_kmflag(crypto_req_handle_t);

#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_CRYPTO_SPI_H */