1 /* $OpenBSD: asn1_locl.h,v 1.12 2019/10/24 16:36:10 jsing Exp $ */ 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3 * project 2006. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 59 __BEGIN_HIDDEN_DECLS 60 61 /* Internal ASN1 structures and functions: not for application use */ 62 63 ASN1_TYPE *ASN1_TYPE_pack_sequence(const ASN1_ITEM *it, void *s, ASN1_TYPE **t); 64 void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM *it, const ASN1_TYPE *t); 65 66 /* ASN1 print context structure */ 67 68 struct asn1_pctx_st { 69 unsigned long flags; 70 unsigned long nm_flags; 71 unsigned long cert_flags; 72 unsigned long oid_flags; 73 unsigned long str_flags; 74 } /* ASN1_PCTX */; 75 76 /* ASN1 public key method structure */ 77 78 struct evp_pkey_asn1_method_st { 79 int pkey_id; 80 int pkey_base_id; 81 unsigned long pkey_flags; 82 83 char *pem_str; 84 char *info; 85 86 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub); 87 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk); 88 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); 89 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, 90 ASN1_PCTX *pctx); 91 92 int (*priv_decode)(EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf); 93 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk); 94 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, 95 ASN1_PCTX *pctx); 96 97 int (*pkey_size)(const EVP_PKEY *pk); 98 int (*pkey_bits)(const EVP_PKEY *pk); 99 100 int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, 101 int derlen); 102 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder); 103 int (*param_missing)(const EVP_PKEY *pk); 104 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from); 105 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); 106 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, 107 ASN1_PCTX *pctx); 108 int (*sig_print)(BIO *out, const X509_ALGOR *sigalg, 109 const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx); 110 111 void (*pkey_free)(EVP_PKEY *pkey); 112 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2); 113 114 /* Legacy functions for old PEM */ 115 116 int (*old_priv_decode)(EVP_PKEY *pkey, const unsigned char **pder, 117 int derlen); 118 int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder); 119 /* Custom ASN1 signature verification */ 120 int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, 121 X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey); 122 int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, 123 X509_ALGOR *alg1, X509_ALGOR *alg2, ASN1_BIT_STRING *sig); 124 125 } /* EVP_PKEY_ASN1_METHOD */; 126 127 /* Method to handle CRL access. 128 * In general a CRL could be very large (several Mb) and can consume large 129 * amounts of resources if stored in memory by multiple processes. 130 * This method allows general CRL operations to be redirected to more 131 * efficient callbacks: for example a CRL entry database. 132 */ 133 134 #define X509_CRL_METHOD_DYNAMIC 1 135 136 struct x509_crl_method_st { 137 int flags; 138 int (*crl_init)(X509_CRL *crl); 139 int (*crl_free)(X509_CRL *crl); 140 int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret, 141 ASN1_INTEGER *ser, X509_NAME *issuer); 142 int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk); 143 }; 144 145 /* 146 * Unicode codepoint constants 147 */ 148 #define UNICODE_MAX 0x10FFFF 149 #define UNICODE_SURROGATE_MIN 0x00D800 150 #define UNICODE_SURROGATE_MAX 0x00DFFF 151 152 #define UNICODE_IS_SURROGATE(x) \ 153 ((x) >= UNICODE_SURROGATE_MIN && (x) <= UNICODE_SURROGATE_MAX) 154 155 int UTF8_getc(const unsigned char *str, int len, unsigned long *val); 156 int UTF8_putc(unsigned char *str, int len, unsigned long value); 157 158 __END_HIDDEN_DECLS 159