Doug Anson / mbedTLSLibrary

mbed TLS library

Dependents:   HTTPClient-SSL WS_SERVER

include/polarssl/x509.h@0:137634ff4186, 2015-06-11 (annotated)

Committer:
ansond
Date:
Thu Jun 11 03:27:03 2015 +0000
Revision:
0:137634ff4186
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ansond 0:137634ff4186 1 /**
ansond 0:137634ff4186 2 * \file x509.h
ansond 0:137634ff4186 3 *
ansond 0:137634ff4186 4 * \brief X.509 generic defines and structures
ansond 0:137634ff4186 5 *
ansond 0:137634ff4186 6 * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
ansond 0:137634ff4186 7 *
ansond 0:137634ff4186 8 * This file is part of mbed TLS (https://tls.mbed.org)
ansond 0:137634ff4186 9 *
ansond 0:137634ff4186 10 * This program is free software; you can redistribute it and/or modify
ansond 0:137634ff4186 11 * it under the terms of the GNU General Public License as published by
ansond 0:137634ff4186 12 * the Free Software Foundation; either version 2 of the License, or
ansond 0:137634ff4186 13 * (at your option) any later version.
ansond 0:137634ff4186 14 *
ansond 0:137634ff4186 15 * This program is distributed in the hope that it will be useful,
ansond 0:137634ff4186 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ansond 0:137634ff4186 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ansond 0:137634ff4186 18 * GNU General Public License for more details.
ansond 0:137634ff4186 19 *
ansond 0:137634ff4186 20 * You should have received a copy of the GNU General Public License along
ansond 0:137634ff4186 21 * with this program; if not, write to the Free Software Foundation, Inc.,
ansond 0:137634ff4186 22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
ansond 0:137634ff4186 23 */
ansond 0:137634ff4186 24 #ifndef POLARSSL_X509_H
ansond 0:137634ff4186 25 #define POLARSSL_X509_H
ansond 0:137634ff4186 26
ansond 0:137634ff4186 27 #if !defined(POLARSSL_CONFIG_FILE)
ansond 0:137634ff4186 28 #include "config.h"
ansond 0:137634ff4186 29 #else
ansond 0:137634ff4186 30 #include POLARSSL_CONFIG_FILE
ansond 0:137634ff4186 31 #endif
ansond 0:137634ff4186 32
ansond 0:137634ff4186 33 #include "asn1.h"
ansond 0:137634ff4186 34 #include "pk.h"
ansond 0:137634ff4186 35
ansond 0:137634ff4186 36 #if defined(POLARSSL_RSA_C)
ansond 0:137634ff4186 37 #include "rsa.h"
ansond 0:137634ff4186 38 #endif
ansond 0:137634ff4186 39
ansond 0:137634ff4186 40 /**
ansond 0:137634ff4186 41 * \addtogroup x509_module
ansond 0:137634ff4186 42 * \{
ansond 0:137634ff4186 43 */
ansond 0:137634ff4186 44
ansond 0:137634ff4186 45 #if !defined(POLARSSL_X509_MAX_INTERMEDIATE_CA)
ansond 0:137634ff4186 46 /**
ansond 0:137634ff4186 47 * Maximum number of intermediate CAs in a verification chain.
ansond 0:137634ff4186 48 * That is, maximum length of the chain, excluding the end-entity certificate
ansond 0:137634ff4186 49 * and the trusted root certificate.
ansond 0:137634ff4186 50 *
ansond 0:137634ff4186 51 * Set this to a low value to prevent an adversary from making you waste
ansond 0:137634ff4186 52 * resources verifying an overlong certificate chain.
ansond 0:137634ff4186 53 */
ansond 0:137634ff4186 54 #define POLARSSL_X509_MAX_INTERMEDIATE_CA 8
ansond 0:137634ff4186 55 #endif
ansond 0:137634ff4186 56
ansond 0:137634ff4186 57 /**
ansond 0:137634ff4186 58 * \name X509 Error codes
ansond 0:137634ff4186 59 * \{
ansond 0:137634ff4186 60 */
ansond 0:137634ff4186 61 #define POLARSSL_ERR_X509_FEATURE_UNAVAILABLE -0x2080 /**< Unavailable feature, e.g. RSA hashing/encryption combination. */
ansond 0:137634ff4186 62 #define POLARSSL_ERR_X509_UNKNOWN_OID -0x2100 /**< Requested OID is unknown. */
ansond 0:137634ff4186 63 #define POLARSSL_ERR_X509_INVALID_FORMAT -0x2180 /**< The CRT/CRL/CSR format is invalid, e.g. different type expected. */
ansond 0:137634ff4186 64 #define POLARSSL_ERR_X509_INVALID_VERSION -0x2200 /**< The CRT/CRL/CSR version element is invalid. */
ansond 0:137634ff4186 65 #define POLARSSL_ERR_X509_INVALID_SERIAL -0x2280 /**< The serial tag or value is invalid. */
ansond 0:137634ff4186 66 #define POLARSSL_ERR_X509_INVALID_ALG -0x2300 /**< The algorithm tag or value is invalid. */
ansond 0:137634ff4186 67 #define POLARSSL_ERR_X509_INVALID_NAME -0x2380 /**< The name tag or value is invalid. */
ansond 0:137634ff4186 68 #define POLARSSL_ERR_X509_INVALID_DATE -0x2400 /**< The date tag or value is invalid. */
ansond 0:137634ff4186 69 #define POLARSSL_ERR_X509_INVALID_SIGNATURE -0x2480 /**< The signature tag or value invalid. */
ansond 0:137634ff4186 70 #define POLARSSL_ERR_X509_INVALID_EXTENSIONS -0x2500 /**< The extension tag or value is invalid. */
ansond 0:137634ff4186 71 #define POLARSSL_ERR_X509_UNKNOWN_VERSION -0x2580 /**< CRT/CRL/CSR has an unsupported version number. */
ansond 0:137634ff4186 72 #define POLARSSL_ERR_X509_UNKNOWN_SIG_ALG -0x2600 /**< Signature algorithm (oid) is unsupported. */
ansond 0:137634ff4186 73 #define POLARSSL_ERR_X509_SIG_MISMATCH -0x2680 /**< Signature algorithms do not match. (see \c ::x509_crt sig_oid) */
ansond 0:137634ff4186 74 #define POLARSSL_ERR_X509_CERT_VERIFY_FAILED -0x2700 /**< Certificate verification failed, e.g. CRL, CA or signature check failed. */
ansond 0:137634ff4186 75 #define POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT -0x2780 /**< Format not recognized as DER or PEM. */
ansond 0:137634ff4186 76 #define POLARSSL_ERR_X509_BAD_INPUT_DATA -0x2800 /**< Input invalid. */
ansond 0:137634ff4186 77 #define POLARSSL_ERR_X509_MALLOC_FAILED -0x2880 /**< Allocation of memory failed. */
ansond 0:137634ff4186 78 #define POLARSSL_ERR_X509_FILE_IO_ERROR -0x2900 /**< Read/write of file failed. */
ansond 0:137634ff4186 79 /* \} name */
ansond 0:137634ff4186 80
ansond 0:137634ff4186 81 /**
ansond 0:137634ff4186 82 * \name X509 Verify codes
ansond 0:137634ff4186 83 * \{
ansond 0:137634ff4186 84 */
ansond 0:137634ff4186 85 /* Reminder: update x509_crt_verify_strings[] in library/x509_crt.c */
ansond 0:137634ff4186 86 #define BADCERT_EXPIRED 0x01 /**< The certificate validity has expired. */
ansond 0:137634ff4186 87 #define BADCERT_REVOKED 0x02 /**< The certificate has been revoked (is on a CRL). */
ansond 0:137634ff4186 88 #define BADCERT_CN_MISMATCH 0x04 /**< The certificate Common Name (CN) does not match with the expected CN. */
ansond 0:137634ff4186 89 #define BADCERT_NOT_TRUSTED 0x08 /**< The certificate is not correctly signed by the trusted CA. */
ansond 0:137634ff4186 90 #define BADCRL_NOT_TRUSTED 0x10 /**< The CRL is not correctly signed by the trusted CA. */
ansond 0:137634ff4186 91 #define BADCRL_EXPIRED 0x20 /**< The CRL is expired. */
ansond 0:137634ff4186 92 #define BADCERT_MISSING 0x40 /**< Certificate was missing. */
ansond 0:137634ff4186 93 #define BADCERT_SKIP_VERIFY 0x80 /**< Certificate verification was skipped. */
ansond 0:137634ff4186 94 #define BADCERT_OTHER 0x0100 /**< Other reason (can be used by verify callback) */
ansond 0:137634ff4186 95 #define BADCERT_FUTURE 0x0200 /**< The certificate validity starts in the future. */
ansond 0:137634ff4186 96 #define BADCRL_FUTURE 0x0400 /**< The CRL is from the future */
ansond 0:137634ff4186 97 #define BADCERT_KEY_USAGE 0x0800 /**< Usage does not match the keyUsage extension. */
ansond 0:137634ff4186 98 #define BADCERT_EXT_KEY_USAGE 0x1000 /**< Usage does not match the extendedKeyUsage extension. */
ansond 0:137634ff4186 99 #define BADCERT_NS_CERT_TYPE 0x2000 /**< Usage does not match the nsCertType extension. */
ansond 0:137634ff4186 100 /* \} name */
ansond 0:137634ff4186 101 /* \} addtogroup x509_module */
ansond 0:137634ff4186 102
ansond 0:137634ff4186 103 /*
ansond 0:137634ff4186 104 * X.509 v3 Key Usage Extension flags
ansond 0:137634ff4186 105 */
ansond 0:137634ff4186 106 #define KU_DIGITAL_SIGNATURE (0x80) /* bit 0 */
ansond 0:137634ff4186 107 #define KU_NON_REPUDIATION (0x40) /* bit 1 */
ansond 0:137634ff4186 108 #define KU_KEY_ENCIPHERMENT (0x20) /* bit 2 */
ansond 0:137634ff4186 109 #define KU_DATA_ENCIPHERMENT (0x10) /* bit 3 */
ansond 0:137634ff4186 110 #define KU_KEY_AGREEMENT (0x08) /* bit 4 */
ansond 0:137634ff4186 111 #define KU_KEY_CERT_SIGN (0x04) /* bit 5 */
ansond 0:137634ff4186 112 #define KU_CRL_SIGN (0x02) /* bit 6 */
ansond 0:137634ff4186 113
ansond 0:137634ff4186 114 /*
ansond 0:137634ff4186 115 * Netscape certificate types
ansond 0:137634ff4186 116 * (http://www.mozilla.org/projects/security/pki/nss/tech-notes/tn3.html)
ansond 0:137634ff4186 117 */
ansond 0:137634ff4186 118
ansond 0:137634ff4186 119 #define NS_CERT_TYPE_SSL_CLIENT (0x80) /* bit 0 */
ansond 0:137634ff4186 120 #define NS_CERT_TYPE_SSL_SERVER (0x40) /* bit 1 */
ansond 0:137634ff4186 121 #define NS_CERT_TYPE_EMAIL (0x20) /* bit 2 */
ansond 0:137634ff4186 122 #define NS_CERT_TYPE_OBJECT_SIGNING (0x10) /* bit 3 */
ansond 0:137634ff4186 123 #define NS_CERT_TYPE_RESERVED (0x08) /* bit 4 */
ansond 0:137634ff4186 124 #define NS_CERT_TYPE_SSL_CA (0x04) /* bit 5 */
ansond 0:137634ff4186 125 #define NS_CERT_TYPE_EMAIL_CA (0x02) /* bit 6 */
ansond 0:137634ff4186 126 #define NS_CERT_TYPE_OBJECT_SIGNING_CA (0x01) /* bit 7 */
ansond 0:137634ff4186 127
ansond 0:137634ff4186 128 /*
ansond 0:137634ff4186 129 * X.509 extension types
ansond 0:137634ff4186 130 *
ansond 0:137634ff4186 131 * Comments refer to the status for using certificates. Status can be
ansond 0:137634ff4186 132 * different for writing certificates or reading CRLs or CSRs.
ansond 0:137634ff4186 133 */
ansond 0:137634ff4186 134 #define EXT_AUTHORITY_KEY_IDENTIFIER (1 << 0)
ansond 0:137634ff4186 135 #define EXT_SUBJECT_KEY_IDENTIFIER (1 << 1)
ansond 0:137634ff4186 136 #define EXT_KEY_USAGE (1 << 2) /* Parsed but not used */
ansond 0:137634ff4186 137 #define EXT_CERTIFICATE_POLICIES (1 << 3)
ansond 0:137634ff4186 138 #define EXT_POLICY_MAPPINGS (1 << 4)
ansond 0:137634ff4186 139 #define EXT_SUBJECT_ALT_NAME (1 << 5) /* Supported (DNS) */
ansond 0:137634ff4186 140 #define EXT_ISSUER_ALT_NAME (1 << 6)
ansond 0:137634ff4186 141 #define EXT_SUBJECT_DIRECTORY_ATTRS (1 << 7)
ansond 0:137634ff4186 142 #define EXT_BASIC_CONSTRAINTS (1 << 8) /* Supported */
ansond 0:137634ff4186 143 #define EXT_NAME_CONSTRAINTS (1 << 9)
ansond 0:137634ff4186 144 #define EXT_POLICY_CONSTRAINTS (1 << 10)
ansond 0:137634ff4186 145 #define EXT_EXTENDED_KEY_USAGE (1 << 11) /* Parsed but not used */
ansond 0:137634ff4186 146 #define EXT_CRL_DISTRIBUTION_POINTS (1 << 12)
ansond 0:137634ff4186 147 #define EXT_INIHIBIT_ANYPOLICY (1 << 13)
ansond 0:137634ff4186 148 #define EXT_FRESHEST_CRL (1 << 14)
ansond 0:137634ff4186 149
ansond 0:137634ff4186 150 #define EXT_NS_CERT_TYPE (1 << 16) /* Parsed (and then ?) */
ansond 0:137634ff4186 151
ansond 0:137634ff4186 152 /*
ansond 0:137634ff4186 153 * Storage format identifiers
ansond 0:137634ff4186 154 * Recognized formats: PEM and DER
ansond 0:137634ff4186 155 */
ansond 0:137634ff4186 156 #define X509_FORMAT_DER 1
ansond 0:137634ff4186 157 #define X509_FORMAT_PEM 2
ansond 0:137634ff4186 158
ansond 0:137634ff4186 159 #define X509_MAX_DN_NAME_SIZE 256 /**< Maximum value size of a DN entry */
ansond 0:137634ff4186 160
ansond 0:137634ff4186 161 #ifdef __cplusplus
ansond 0:137634ff4186 162 extern "C" {
ansond 0:137634ff4186 163 #endif
ansond 0:137634ff4186 164
ansond 0:137634ff4186 165 /**
ansond 0:137634ff4186 166 * \addtogroup x509_module
ansond 0:137634ff4186 167 * \{ */
ansond 0:137634ff4186 168
ansond 0:137634ff4186 169 /**
ansond 0:137634ff4186 170 * \name Structures for parsing X.509 certificates, CRLs and CSRs
ansond 0:137634ff4186 171 * \{
ansond 0:137634ff4186 172 */
ansond 0:137634ff4186 173
ansond 0:137634ff4186 174 /**
ansond 0:137634ff4186 175 * Type-length-value structure that allows for ASN1 using DER.
ansond 0:137634ff4186 176 */
ansond 0:137634ff4186 177 typedef asn1_buf x509_buf;
ansond 0:137634ff4186 178
ansond 0:137634ff4186 179 /**
ansond 0:137634ff4186 180 * Container for ASN1 bit strings.
ansond 0:137634ff4186 181 */
ansond 0:137634ff4186 182 typedef asn1_bitstring x509_bitstring;
ansond 0:137634ff4186 183
ansond 0:137634ff4186 184 /**
ansond 0:137634ff4186 185 * Container for ASN1 named information objects.
ansond 0:137634ff4186 186 * It allows for Relative Distinguished Names (e.g. cn=polarssl,ou=code,etc.).
ansond 0:137634ff4186 187 */
ansond 0:137634ff4186 188 typedef asn1_named_data x509_name;
ansond 0:137634ff4186 189
ansond 0:137634ff4186 190 /**
ansond 0:137634ff4186 191 * Container for a sequence of ASN.1 items
ansond 0:137634ff4186 192 */
ansond 0:137634ff4186 193 typedef asn1_sequence x509_sequence;
ansond 0:137634ff4186 194
ansond 0:137634ff4186 195 /** Container for date and time (precision in seconds). */
ansond 0:137634ff4186 196 typedef struct _x509_time
ansond 0:137634ff4186 197 {
ansond 0:137634ff4186 198 int year, mon, day; /**< Date. */
ansond 0:137634ff4186 199 int hour, min, sec; /**< Time. */
ansond 0:137634ff4186 200 }
ansond 0:137634ff4186 201 x509_time;
ansond 0:137634ff4186 202
ansond 0:137634ff4186 203 /** \} name Structures for parsing X.509 certificates, CRLs and CSRs */
ansond 0:137634ff4186 204 /** \} addtogroup x509_module */
ansond 0:137634ff4186 205
ansond 0:137634ff4186 206 /**
ansond 0:137634ff4186 207 * \brief Store the certificate DN in printable form into buf;
ansond 0:137634ff4186 208 * no more than size characters will be written.
ansond 0:137634ff4186 209 *
ansond 0:137634ff4186 210 * \param buf Buffer to write to
ansond 0:137634ff4186 211 * \param size Maximum size of buffer
ansond 0:137634ff4186 212 * \param dn The X509 name to represent
ansond 0:137634ff4186 213 *
ansond 0:137634ff4186 214 * \return The amount of data written to the buffer, or -1 in
ansond 0:137634ff4186 215 * case of an error.
ansond 0:137634ff4186 216 */
ansond 0:137634ff4186 217 int x509_dn_gets( char *buf, size_t size, const x509_name *dn );
ansond 0:137634ff4186 218
ansond 0:137634ff4186 219 /**
ansond 0:137634ff4186 220 * \brief Store the certificate serial in printable form into buf;
ansond 0:137634ff4186 221 * no more than size characters will be written.
ansond 0:137634ff4186 222 *
ansond 0:137634ff4186 223 * \param buf Buffer to write to
ansond 0:137634ff4186 224 * \param size Maximum size of buffer
ansond 0:137634ff4186 225 * \param serial The X509 serial to represent
ansond 0:137634ff4186 226 *
ansond 0:137634ff4186 227 * \return The amount of data written to the buffer, or -1 in
ansond 0:137634ff4186 228 * case of an error.
ansond 0:137634ff4186 229 */
ansond 0:137634ff4186 230 int x509_serial_gets( char *buf, size_t size, const x509_buf *serial );
ansond 0:137634ff4186 231
ansond 0:137634ff4186 232 #if ! defined(POLARSSL_DEPRECATED_REMOVED)
ansond 0:137634ff4186 233 #if defined(POLARSSL_DEPRECATED_WARNING)
ansond 0:137634ff4186 234 #define DEPRECATED __attribute__((deprecated))
ansond 0:137634ff4186 235 #else
ansond 0:137634ff4186 236 #define DEPRECATED
ansond 0:137634ff4186 237 #endif
ansond 0:137634ff4186 238 /**
ansond 0:137634ff4186 239 * \brief Give an known OID, return its descriptive string.
ansond 0:137634ff4186 240 *
ansond 0:137634ff4186 241 * \deprecated Use oid_get_extended_key_usage() instead.
ansond 0:137634ff4186 242 *
ansond 0:137634ff4186 243 * \warning Only works for extended_key_usage OIDs!
ansond 0:137634ff4186 244 *
ansond 0:137634ff4186 245 * \param oid buffer containing the oid
ansond 0:137634ff4186 246 *
ansond 0:137634ff4186 247 * \return Return a string if the OID is known,
ansond 0:137634ff4186 248 * or NULL otherwise.
ansond 0:137634ff4186 249 */
ansond 0:137634ff4186 250 const char *x509_oid_get_description( x509_buf *oid ) DEPRECATED;
ansond 0:137634ff4186 251
ansond 0:137634ff4186 252 /**
ansond 0:137634ff4186 253 * \brief Give an OID, return a string version of its OID number.
ansond 0:137634ff4186 254 *
ansond 0:137634ff4186 255 * \deprecated Use oid_get_numeric_string() instead.
ansond 0:137634ff4186 256 *
ansond 0:137634ff4186 257 * \param buf Buffer to write to
ansond 0:137634ff4186 258 * \param size Maximum size of buffer
ansond 0:137634ff4186 259 * \param oid Buffer containing the OID
ansond 0:137634ff4186 260 *
ansond 0:137634ff4186 261 * \return Length of the string written (excluding final NULL) or
ansond 0:137634ff4186 262 * POLARSSL_ERR_OID_BUF_TO_SMALL in case of error
ansond 0:137634ff4186 263 */
ansond 0:137634ff4186 264 int x509_oid_get_numeric_string( char *buf, size_t size, x509_buf *oid ) DEPRECATED;
ansond 0:137634ff4186 265 #undef DEPRECATED
ansond 0:137634ff4186 266 #endif /* POLARSSL_DEPRECATED_REMOVED */
ansond 0:137634ff4186 267
ansond 0:137634ff4186 268 /**
ansond 0:137634ff4186 269 * \brief Check a given x509_time against the system time and check
ansond 0:137634ff4186 270 * if it is not expired.
ansond 0:137634ff4186 271 *
ansond 0:137634ff4186 272 * \param time x509_time to check
ansond 0:137634ff4186 273 *
ansond 0:137634ff4186 274 * \return 0 if the x509_time is still valid,
ansond 0:137634ff4186 275 * 1 otherwise.
ansond 0:137634ff4186 276 */
ansond 0:137634ff4186 277 int x509_time_expired( const x509_time *time );
ansond 0:137634ff4186 278
ansond 0:137634ff4186 279 /**
ansond 0:137634ff4186 280 * \brief Check a given x509_time against the system time and check
ansond 0:137634ff4186 281 * if it is not from the future.
ansond 0:137634ff4186 282 *
ansond 0:137634ff4186 283 * \param time x509_time to check
ansond 0:137634ff4186 284 *
ansond 0:137634ff4186 285 * \return 0 if the x509_time is already valid,
ansond 0:137634ff4186 286 * 1 otherwise.
ansond 0:137634ff4186 287 */
ansond 0:137634ff4186 288 int x509_time_future( const x509_time *time );
ansond 0:137634ff4186 289
ansond 0:137634ff4186 290 /**
ansond 0:137634ff4186 291 * \brief Checkup routine
ansond 0:137634ff4186 292 *
ansond 0:137634ff4186 293 * \return 0 if successful, or 1 if the test failed
ansond 0:137634ff4186 294 */
ansond 0:137634ff4186 295 int x509_self_test( int verbose );
ansond 0:137634ff4186 296
ansond 0:137634ff4186 297 /*
ansond 0:137634ff4186 298 * Internal module functions. You probably do not want to use these unless you
ansond 0:137634ff4186 299 * know you do.
ansond 0:137634ff4186 300 */
ansond 0:137634ff4186 301 int x509_get_name( unsigned char **p, const unsigned char *end,
ansond 0:137634ff4186 302 x509_name *cur );
ansond 0:137634ff4186 303 int x509_get_alg_null( unsigned char **p, const unsigned char *end,
ansond 0:137634ff4186 304 x509_buf *alg );
ansond 0:137634ff4186 305 int x509_get_alg( unsigned char **p, const unsigned char *end,
ansond 0:137634ff4186 306 x509_buf *alg, x509_buf *params );
ansond 0:137634ff4186 307 #if defined(POLARSSL_X509_RSASSA_PSS_SUPPORT)
ansond 0:137634ff4186 308 int x509_get_rsassa_pss_params( const x509_buf *params,
ansond 0:137634ff4186 309 md_type_t *md_alg, md_type_t *mgf_md,
ansond 0:137634ff4186 310 int *salt_len );
ansond 0:137634ff4186 311 #endif
ansond 0:137634ff4186 312 int x509_get_sig( unsigned char **p, const unsigned char *end, x509_buf *sig );
ansond 0:137634ff4186 313 int x509_get_sig_alg( const x509_buf *sig_oid, const x509_buf *sig_params,
ansond 0:137634ff4186 314 md_type_t *md_alg, pk_type_t *pk_alg,
ansond 0:137634ff4186 315 void **sig_opts );
ansond 0:137634ff4186 316 int x509_get_time( unsigned char **p, const unsigned char *end,
ansond 0:137634ff4186 317 x509_time *time );
ansond 0:137634ff4186 318 int x509_get_serial( unsigned char **p, const unsigned char *end,
ansond 0:137634ff4186 319 x509_buf *serial );
ansond 0:137634ff4186 320 int x509_get_ext( unsigned char **p, const unsigned char *end,
ansond 0:137634ff4186 321 x509_buf *ext, int tag );
ansond 0:137634ff4186 322 int x509_sig_alg_gets( char *buf, size_t size, const x509_buf *sig_oid,
ansond 0:137634ff4186 323 pk_type_t pk_alg, md_type_t md_alg,
ansond 0:137634ff4186 324 const void *sig_opts );
ansond 0:137634ff4186 325 int x509_key_size_helper( char *buf, size_t size, const char *name );
ansond 0:137634ff4186 326 int x509_string_to_names( asn1_named_data **head, const char *name );
ansond 0:137634ff4186 327 int x509_set_extension( asn1_named_data **head, const char *oid, size_t oid_len,
ansond 0:137634ff4186 328 int critical, const unsigned char *val,
ansond 0:137634ff4186 329 size_t val_len );
ansond 0:137634ff4186 330 int x509_write_extensions( unsigned char **p, unsigned char *start,
ansond 0:137634ff4186 331 asn1_named_data *first );
ansond 0:137634ff4186 332 int x509_write_names( unsigned char **p, unsigned char *start,
ansond 0:137634ff4186 333 asn1_named_data *first );
ansond 0:137634ff4186 334 int x509_write_sig( unsigned char **p, unsigned char *start,
ansond 0:137634ff4186 335 const char *oid, size_t oid_len,
ansond 0:137634ff4186 336 unsigned char *sig, size_t size );
ansond 0:137634ff4186 337
ansond 0:137634ff4186 338 #ifdef __cplusplus
ansond 0:137634ff4186 339 }
ansond 0:137634ff4186 340 #endif
ansond 0:137634ff4186 341
ansond 0:137634ff4186 342 #endif /* x509.h */
ansond 0:137634ff4186 343