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 http://www.opensolaris.org/os/licensing. 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 /* 23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _DH_IMPL_H 27 #define _DH_IMPL_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/types.h> 34 #include <bignum.h> 35 36 #define MIN_DH_KEYLENGTH_IN_BYTES 8 37 #define MAX_DH_KEYLENGTH_IN_BYTES 512 38 #define DH_MIN_KEY_LEN 64 39 #define DH_MAX_KEY_LEN 4096 40 41 #ifdef _KERNEL 42 43 #include <sys/sunddi.h> 44 #include <sys/crypto/common.h> 45 46 #define CK_RV ulong_t 47 48 #define CKR_OK CRYPTO_SUCCESS 49 #define CKR_ARGUMENTS_BAD CRYPTO_ARGUMENTS_BAD 50 #define CKR_ATTRIBUTE_TYPE_INVALID CRYPTO_ATTRIBUTE_TYPE_INVALID 51 #define CKR_ATTRIBUTE_VALUE_INVALID CRYPTO_ATTRIBUTE_VALUE_INVALID 52 #define CKR_DEVICE_ERROR CRYPTO_DEVICE_ERROR 53 #define CKR_GENERAL_ERROR CRYPTO_GENERAL_ERROR 54 #define CKR_HOST_MEMORY CRYPTO_HOST_MEMORY 55 #define CKR_KEY_SIZE_RANGE CRYPTO_KEY_SIZE_RANGE 56 57 int random_get_bytes(uint8_t *ran_out, size_t ran_len); 58 int random_get_pseudo_bytes(uint8_t *ran_out, size_t ran_len); 59 60 #else 61 62 #include <security/cryptoki.h> 63 #include <security/pkcs11t.h> 64 65 #endif /* _KERNEL */ 66 67 68 /* DH key using BIGNUM representations */ 69 typedef struct { 70 int size; /* key size in bits */ 71 BIGNUM p; /* p (prime) */ 72 BIGNUM g; /* g (base) */ 73 BIGNUM x; /* private value (random) */ 74 BIGNUM y; /* public value (= g^x mod p) */ 75 } DHkey; 76 77 /* DH key using byte string representations, useful for parameter lists */ 78 typedef struct { 79 uint32_t prime_bits; /* size */ 80 uchar_t *prime; /* p */ 81 uint32_t base_bytes; 82 uchar_t *base; /* g */ 83 uint32_t value_bits; /* for both x and y */ 84 uchar_t *private_x; /* x */ 85 uchar_t *public_y; /* y */ 86 int (*rfunc)(void *, size_t); /* random function */ 87 } DHbytekey; 88 89 90 CK_RV dh_genkey_pair(DHbytekey *bkey); 91 92 CK_RV dh_key_derive(DHbytekey *bkey, uint32_t key_type, 93 uchar_t *secretkey, uint32_t *secretkey_len, int flag); 94 95 #ifdef __cplusplus 96 } 97 #endif 98 99 #endif /* _DH_IMPL_H */ 100