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 _RSA_IMPL_H 27 #define _RSA_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_RSA_KEYLENGTH_IN_BYTES 32 37 #define MAX_RSA_KEYLENGTH_IN_BYTES 512 38 #define RSA_MIN_KEY_LEN 256 /* RSA min key length in bits */ 39 #define RSA_MAX_KEY_LEN 4096 /* RSA max key length in bits */ 40 41 #ifdef _KERNEL 42 43 #include <sys/sunddi.h> 44 #include <sys/crypto/common.h> 45 46 #define CK_BYTE uchar_t 47 #define CK_ULONG ulong_t 48 #define CK_RV int 49 50 #define CKR_OK CRYPTO_SUCCESS 51 #define CKR_ARGUMENTS_BAD CRYPTO_ARGUMENTS_BAD 52 #define CKR_DATA_LEN_RANGE CRYPTO_DATA_LEN_RANGE 53 #define CKR_DEVICE_ERROR CRYPTO_DEVICE_ERROR 54 #define CKR_GENERAL_ERROR CRYPTO_GENERAL_ERROR 55 #define CKR_HOST_MEMORY CRYPTO_HOST_MEMORY 56 #define CKR_KEY_SIZE_RANGE CRYPTO_KEY_SIZE_RANGE 57 58 int random_get_bytes(uint8_t *ran_out, size_t ran_len); 59 int random_get_pseudo_bytes(uint8_t *ran_out, size_t ran_len); 60 61 #else 62 63 #include <security/cryptoki.h> 64 #include <security/pkcs11t.h> 65 66 #endif /* _KERNEL */ 67 68 #define MD5_DER_PREFIX_Len 18 69 #define SHA1_DER_PREFIX_Len 15 70 #define SHA1_DER_PREFIX_OID_Len 13 71 #define SHA2_DER_PREFIX_Len 19 72 #define DEFAULT_PUB_EXPO_Len 3 73 74 extern const CK_BYTE MD5_DER_PREFIX[MD5_DER_PREFIX_Len]; 75 extern const CK_BYTE SHA1_DER_PREFIX[SHA1_DER_PREFIX_Len]; 76 extern const CK_BYTE SHA1_DER_PREFIX_OID[SHA1_DER_PREFIX_OID_Len]; 77 extern const CK_BYTE SHA256_DER_PREFIX[SHA2_DER_PREFIX_Len]; 78 extern const CK_BYTE SHA384_DER_PREFIX[SHA2_DER_PREFIX_Len]; 79 extern const CK_BYTE SHA512_DER_PREFIX[SHA2_DER_PREFIX_Len]; 80 extern const CK_BYTE DEFAULT_PUB_EXPO[DEFAULT_PUB_EXPO_Len]; 81 82 83 /* RSA key using BIGNUM representations */ 84 typedef struct { 85 int size; /* key size in bits */ 86 BIGNUM p; /* p */ 87 BIGNUM q; /* q */ 88 BIGNUM n; /* n = p * q (the modulus) */ 89 BIGNUM d; /* private exponent */ 90 BIGNUM e; /* public exponent */ 91 BIGNUM dmodpminus1; /* d mod (p - 1) (exponent 1) */ 92 BIGNUM dmodqminus1; /* d mod (q - 1) (exponent 2) */ 93 BIGNUM pinvmodq; /* p^(-1) mod q (the coefficient) */ 94 BIGNUM p_rr; /* 2^(2*(32*p->len)) mod p */ 95 BIGNUM q_rr; /* 2^(2*(32*q->len)) mod q */ 96 BIGNUM n_rr; /* 2^(2*(32*n->len)) mod n */ 97 } RSAkey; 98 99 /* RSA key using byte string representations, useful for parameter lists */ 100 typedef struct { 101 uint32_t modulus_bits; /* size */ 102 uchar_t *modulus; /* n */ 103 uint32_t privexpo_bytes; 104 uchar_t *privexpo; /* d */ 105 uint32_t pubexpo_bytes; 106 uchar_t *pubexpo; /* e */ 107 uint32_t prime1_bytes; 108 uchar_t *prime1; /* p */ 109 uint32_t prime2_bytes; 110 uchar_t *prime2; /* q */ 111 uint32_t expo1_bytes; 112 uchar_t *expo1; /* = d mod (p - 1) */ 113 uint32_t expo2_bytes; 114 uchar_t *expo2; /* = d mod (q - 1) */ 115 uint32_t coeff_bytes; /* = q bytes, .... or = p bytes */ 116 uchar_t *coeff; /* = p^(-1) mod q, or = q^(-1) mod p */ 117 int (*rfunc)(void *, size_t); /* random function */ 118 } RSAbytekey; 119 120 121 CK_RV rsa_genkey_pair(RSAbytekey *bkey); 122 123 CK_RV rsa_encrypt(RSAbytekey *bkey, 124 uchar_t *msg, uint32_t msglen, uchar_t *encrmsg); 125 126 CK_RV rsa_decrypt(RSAbytekey *bkey, 127 uchar_t *encrmsg, uint32_t encrmsglen, uchar_t *msg); 128 129 #define rsa_sign(key, msg, len, sig) rsa_decrypt((key), (msg), (len), (sig)) 130 #define rsa_verify(key, msg, len, sig) rsa_encrypt((key), (msg), (len), (sig)) 131 132 #ifdef __cplusplus 133 } 134 #endif 135 136 #endif /* _RSA_IMPL_H */ 137