/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include <openssl/asn1.h> #include <assert.h> #include <limits.h> #include <string.h> #include <openssl/bytestring.h> #include <openssl/err.h> #include <openssl/mem.h> #include "../internal.h" ASN1_INTEGER *ASN1_INTEGER_dup(const ASN1_INTEGER *x) { … } int ASN1_INTEGER_cmp(const ASN1_INTEGER *x, const ASN1_INTEGER *y) { … } // negate_twos_complement negates |len| bytes from |buf| in-place, interpreted // as a signed, big-endian two's complement value. static void negate_twos_complement(uint8_t *buf, size_t len) { … } static int is_all_zeros(const uint8_t *in, size_t len) { … } int i2c_ASN1_INTEGER(const ASN1_INTEGER *in, unsigned char **outp) { … } ASN1_INTEGER *c2i_ASN1_INTEGER(ASN1_INTEGER **out, const unsigned char **inp, long len) { … } int ASN1_INTEGER_set_int64(ASN1_INTEGER *a, int64_t v) { … } int ASN1_ENUMERATED_set_int64(ASN1_ENUMERATED *a, int64_t v) { … } int ASN1_INTEGER_set(ASN1_INTEGER *a, long v) { … } int ASN1_ENUMERATED_set(ASN1_ENUMERATED *a, long v) { … } static int asn1_string_set_uint64(ASN1_STRING *out, uint64_t v, int type) { … } int ASN1_INTEGER_set_uint64(ASN1_INTEGER *out, uint64_t v) { … } int ASN1_ENUMERATED_set_uint64(ASN1_ENUMERATED *out, uint64_t v) { … } static int asn1_string_get_abs_uint64(uint64_t *out, const ASN1_STRING *a, int type) { … } static int asn1_string_get_uint64(uint64_t *out, const ASN1_STRING *a, int type) { … } int ASN1_INTEGER_get_uint64(uint64_t *out, const ASN1_INTEGER *a) { … } int ASN1_ENUMERATED_get_uint64(uint64_t *out, const ASN1_ENUMERATED *a) { … } static int asn1_string_get_int64(int64_t *out, const ASN1_STRING *a, int type) { … } int ASN1_INTEGER_get_int64(int64_t *out, const ASN1_INTEGER *a) { … } int ASN1_ENUMERATED_get_int64(int64_t *out, const ASN1_ENUMERATED *a) { … } static long asn1_string_get_long(const ASN1_STRING *a, int type) { … } long ASN1_INTEGER_get(const ASN1_INTEGER *a) { … } long ASN1_ENUMERATED_get(const ASN1_ENUMERATED *a) { … } static ASN1_STRING *bn_to_asn1_string(const BIGNUM *bn, ASN1_STRING *ai, int type) { … } ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai) { … } ASN1_ENUMERATED *BN_to_ASN1_ENUMERATED(const BIGNUM *bn, ASN1_ENUMERATED *ai) { … } static BIGNUM *asn1_string_to_bn(const ASN1_STRING *ai, BIGNUM *bn, int type) { … } BIGNUM *ASN1_INTEGER_to_BN(const ASN1_INTEGER *ai, BIGNUM *bn) { … } BIGNUM *ASN1_ENUMERATED_to_BN(const ASN1_ENUMERATED *ai, BIGNUM *bn) { … }