1 /* $OpenBSD: asn1_locl.h,v 1.6 2015/10/02 15:04:45 beck 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 /* Internal ASN1 structures and functions: not for application use */ 60 61 /* ASN1 print context structure */ 62 63 struct asn1_pctx_st { 64 unsigned long flags; 65 unsigned long nm_flags; 66 unsigned long cert_flags; 67 unsigned long oid_flags; 68 unsigned long str_flags; 69 } /* ASN1_PCTX */; 70 71 /* ASN1 public key method structure */ 72 73 struct evp_pkey_asn1_method_st { 74 int pkey_id; 75 int pkey_base_id; 76 unsigned long pkey_flags; 77 78 char *pem_str; 79 char *info; 80 81 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub); 82 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk); 83 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); 84 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, 85 ASN1_PCTX *pctx); 86 87 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf); 88 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk); 89 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, 90 ASN1_PCTX *pctx); 91 92 int (*pkey_size)(const EVP_PKEY *pk); 93 int (*pkey_bits)(const EVP_PKEY *pk); 94 95 int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, 96 int derlen); 97 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder); 98 int (*param_missing)(const EVP_PKEY *pk); 99 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from); 100 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); 101 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, 102 ASN1_PCTX *pctx); 103 int (*sig_print)(BIO *out, const X509_ALGOR *sigalg, 104 const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx); 105 106 void (*pkey_free)(EVP_PKEY *pkey); 107 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2); 108 109 /* Legacy functions for old PEM */ 110 111 int (*old_priv_decode)(EVP_PKEY *pkey, const unsigned char **pder, 112 int derlen); 113 int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder); 114 /* Custom ASN1 signature verification */ 115 int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, 116 X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey); 117 int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, 118 X509_ALGOR *alg1, X509_ALGOR *alg2, ASN1_BIT_STRING *sig); 119 120 } /* EVP_PKEY_ASN1_METHOD */; 121 122 /* Method to handle CRL access. 123 * In general a CRL could be very large (several Mb) and can consume large 124 * amounts of resources if stored in memory by multiple processes. 125 * This method allows general CRL operations to be redirected to more 126 * efficient callbacks: for example a CRL entry database. 127 */ 128 129 #define X509_CRL_METHOD_DYNAMIC 1 130 131 struct x509_crl_method_st { 132 int flags; 133 int (*crl_init)(X509_CRL *crl); 134 int (*crl_free)(X509_CRL *crl); 135 int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret, 136 ASN1_INTEGER *ser, X509_NAME *issuer); 137 int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk); 138 }; 139 140 /* 141 * Unicode codepoint constants 142 */ 143 #define UNICODE_MAX 0x10FFFF 144 #define UNICODE_SURROGATE_MIN 0x00D800 145 #define UNICODE_SURROGATE_MAX 0x00DFFF 146 147 #define UNICODE_IS_SURROGATE(x) \ 148 ((x) >= UNICODE_SURROGATE_MIN && (x) <= UNICODE_SURROGATE_MAX) 149 150 int UTF8_getc(const unsigned char *str, int len, unsigned long *val); 151 int UTF8_putc(unsigned char *str, int len, unsigned long value); 152