From eb8dd9dca1228af0cd132f515509051ecfabf6f6 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 14 Apr 2025 17:32:06 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20250414'. --- src/lib/libcrypto/rsa/rsa_pk1.c | 283 ---------------------------------------- 1 file changed, 283 deletions(-) delete mode 100644 src/lib/libcrypto/rsa/rsa_pk1.c (limited to 'src/lib/libcrypto/rsa/rsa_pk1.c') diff --git a/src/lib/libcrypto/rsa/rsa_pk1.c b/src/lib/libcrypto/rsa/rsa_pk1.c deleted file mode 100644 index 8e56a8c4cd..0000000000 --- a/src/lib/libcrypto/rsa/rsa_pk1.c +++ /dev/null @@ -1,283 +0,0 @@ -/* $OpenBSD: rsa_pk1.c,v 1.17 2024/03/30 04:34:17 jsing Exp $ */ -/* 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 -#include -#include - -#include -#include -#include - -#include "bytestring.h" - -int -RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen, - const unsigned char *from, int flen) -{ - CBB cbb; - int i; - int ret = 0; - - /* - * Pad data block with PKCS1 type 1 padding - RFC 2313, section 8.1. - */ - - memset(&cbb, 0, sizeof(cbb)); - - if (flen < 0 || tlen < 0) - goto err; - - if (flen > tlen - RSA_PKCS1_PADDING_SIZE) { - RSAerror(RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); - goto err; - } - - if (!CBB_init_fixed(&cbb, to, tlen)) - goto err; - - /* - * Add leading NUL, block type (0x01), padding bytes (0xff) and - * trailing NUL. - */ - if (!CBB_add_u8(&cbb, 0)) - goto err; - if (!CBB_add_u8(&cbb, 1)) - goto err; - for (i = 0; i < tlen - 3 - flen; i++) { - if (!CBB_add_u8(&cbb, 0xff)) - goto err; - } - if (!CBB_add_u8(&cbb, 0)) - goto err; - - /* Now add the actual data. */ - if (!CBB_add_bytes(&cbb, from, flen)) - goto err; - - if (!CBB_finish(&cbb, NULL, NULL)) - goto err; - - ret = 1; - - err: - CBB_cleanup(&cbb); - - return ret; -} -LCRYPTO_ALIAS(RSA_padding_add_PKCS1_type_1); - -int -RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, - const unsigned char *from, int flen, int num) -{ - int i, j; - const unsigned char *p; - - p = from; - if (num != flen + 1 || *(p++) != 01) { - RSAerror(RSA_R_BLOCK_TYPE_IS_NOT_01); - return -1; - } - - /* scan over padding data */ - j = flen - 1; /* one for type. */ - for (i = 0; i < j; i++) { - if (*p != 0xff) { - /* should decrypt to 0xff */ - if (*p == 0) { - p++; - break; - } else { - RSAerror(RSA_R_BAD_FIXED_HEADER_DECRYPT); - return -1; - } - } - p++; - } - - if (i == j) { - RSAerror(RSA_R_NULL_BEFORE_BLOCK_MISSING); - return -1; - } - - if (i < 8) { - RSAerror(RSA_R_BAD_PAD_BYTE_COUNT); - return -1; - } - i++; /* Skip over the '\0' */ - j -= i; - if (j > tlen) { - RSAerror(RSA_R_DATA_TOO_LARGE); - return -1; - } - memcpy(to, p, j); - - return j; -} -LCRYPTO_ALIAS(RSA_padding_check_PKCS1_type_1); - -int -RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, - const unsigned char *from, int flen) -{ - uint8_t padding[256]; - uint8_t pad; - CBB cbb; - CBS cbs; - int i; - int ret = 0; - - /* - * Pad data block with PKCS1 type 2 padding - RFC 2313, section 8.1. - */ - - memset(&cbb, 0, sizeof(cbb)); - CBS_init(&cbs, NULL, 0); - - if (flen < 0 || tlen < 0) - goto err; - - if (flen > tlen - RSA_PKCS1_PADDING_SIZE) { - RSAerror(RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); - goto err; - } - - if (!CBB_init_fixed(&cbb, to, tlen)) - goto err; - - /* - * Add leading NUL, block type (0x02), padding bytes (random non-zero - * bytes) and trailing NUL. - */ - if (!CBB_add_u8(&cbb, 0)) - goto err; - if (!CBB_add_u8(&cbb, 2)) - goto err; - for (i = 0; i < tlen - 3 - flen; i++) { - do { - if (CBS_len(&cbs) == 0) { - arc4random_buf(padding, sizeof(padding)); - CBS_init(&cbs, padding, sizeof(padding)); - } - if (!CBS_get_u8(&cbs, &pad)) - goto err; - } while (pad == 0); - - if (!CBB_add_u8(&cbb, pad)) - goto err; - } - if (!CBB_add_u8(&cbb, 0)) - goto err; - - /* Now add the actual data. */ - if (!CBB_add_bytes(&cbb, from, flen)) - goto err; - - if (!CBB_finish(&cbb, NULL, NULL)) - goto err; - - ret = 1; - - err: - CBB_cleanup(&cbb); - explicit_bzero(padding, sizeof(padding)); - - return ret; -} -LCRYPTO_ALIAS(RSA_padding_add_PKCS1_type_2); - -int -RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, - const unsigned char *from, int flen, int num) -{ - int i, j; - const unsigned char *p; - - p = from; - if (num != flen + 1 || *(p++) != 02) { - RSAerror(RSA_R_BLOCK_TYPE_IS_NOT_02); - return -1; - } - - /* scan over padding data */ - j = flen - 1; /* one for type. */ - for (i = 0; i < j; i++) - if (*(p++) == 0) - break; - - if (i == j) { - RSAerror(RSA_R_NULL_BEFORE_BLOCK_MISSING); - return -1; - } - - if (i < 8) { - RSAerror(RSA_R_BAD_PAD_BYTE_COUNT); - return -1; - } - i++; /* Skip over the '\0' */ - j -= i; - if (j > tlen) { - RSAerror(RSA_R_DATA_TOO_LARGE); - return -1; - } - memcpy(to, p, j); - - return j; -} -LCRYPTO_ALIAS(RSA_padding_check_PKCS1_type_2); -- cgit v1.2.3-55-g6feb