1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or https://opensource.org/licenses/CDDL-1.0. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_CRYPTO_API_H 27 #define _SYS_CRYPTO_API_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/zfs_context.h> 34 #include <sys/crypto/common.h> 35 36 typedef void *crypto_context_t; 37 typedef void *crypto_ctx_template_t; 38 39 /* 40 * Returns the mechanism type corresponding to a mechanism name. 41 */ 42 #define CRYPTO_MECH_INVALID ((uint64_t)-1) 43 extern crypto_mech_type_t crypto_mech2id(const char *name); 44 45 /* 46 * Create and destroy context templates. 47 */ 48 extern int crypto_create_ctx_template(crypto_mechanism_t *mech, 49 crypto_key_t *key, crypto_ctx_template_t *tmpl); 50 extern void crypto_destroy_ctx_template(crypto_ctx_template_t tmpl); 51 52 /* 53 * Single and multi-part MAC operations. 54 */ 55 extern int crypto_mac(crypto_mechanism_t *mech, crypto_data_t *data, 56 crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *mac); 57 extern int crypto_mac_init(crypto_mechanism_t *mech, crypto_key_t *key, 58 crypto_ctx_template_t tmpl, crypto_context_t *ctxp); 59 extern int crypto_mac_update(crypto_context_t ctx, crypto_data_t *data); 60 extern int crypto_mac_final(crypto_context_t ctx, crypto_data_t *data); 61 62 /* 63 * Single-part encryption/decryption operations. 64 */ 65 extern int crypto_encrypt(crypto_mechanism_t *mech, crypto_data_t *plaintext, 66 crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *ciphertext); 67 extern int crypto_decrypt(crypto_mechanism_t *mech, crypto_data_t *ciphertext, 68 crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *plaintext); 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif /* _SYS_CRYPTO_API_H */ 75