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Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78
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1476 changed files with 616554 additions and 4 deletions
117
trunk/3rdparty/openssl-1.1-fit/crypto/rsa/rsa_x931.c
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117
trunk/3rdparty/openssl-1.1-fit/crypto/rsa/rsa_x931.c
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/*
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* Copyright 2005-2017 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/bn.h>
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#include <openssl/rsa.h>
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#include <openssl/objects.h>
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int RSA_padding_add_X931(unsigned char *to, int tlen,
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const unsigned char *from, int flen)
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{
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int j;
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unsigned char *p;
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/*
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* Absolute minimum amount of padding is 1 header nibble, 1 padding
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* nibble and 2 trailer bytes: but 1 hash if is already in 'from'.
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*/
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j = tlen - flen - 2;
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if (j < 0) {
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RSAerr(RSA_F_RSA_PADDING_ADD_X931, RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
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return -1;
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}
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p = (unsigned char *)to;
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/* If no padding start and end nibbles are in one byte */
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if (j == 0) {
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*p++ = 0x6A;
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} else {
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*p++ = 0x6B;
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if (j > 1) {
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memset(p, 0xBB, j - 1);
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p += j - 1;
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}
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*p++ = 0xBA;
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}
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memcpy(p, from, (unsigned int)flen);
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p += flen;
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*p = 0xCC;
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return 1;
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}
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int RSA_padding_check_X931(unsigned char *to, int tlen,
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const unsigned char *from, int flen, int num)
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{
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int i = 0, j;
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const unsigned char *p;
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p = from;
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if ((num != flen) || ((*p != 0x6A) && (*p != 0x6B))) {
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RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_HEADER);
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return -1;
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}
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if (*p++ == 0x6B) {
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j = flen - 3;
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for (i = 0; i < j; i++) {
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unsigned char c = *p++;
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if (c == 0xBA)
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break;
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if (c != 0xBB) {
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RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_PADDING);
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return -1;
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}
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}
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j -= i;
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if (i == 0) {
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RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_PADDING);
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return -1;
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}
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} else {
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j = flen - 2;
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}
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if (p[j] != 0xCC) {
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RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_TRAILER);
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return -1;
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}
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memcpy(to, p, (unsigned int)j);
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return j;
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}
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/* Translate between X931 hash ids and NIDs */
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int RSA_X931_hash_id(int nid)
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{
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switch (nid) {
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case NID_sha1:
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return 0x33;
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case NID_sha256:
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return 0x34;
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case NID_sha384:
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return 0x36;
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case NID_sha512:
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return 0x35;
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}
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return -1;
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}
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