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| author | cvs2svn <admin@example.com> | 2001-04-23 15:30:26 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2001-04-23 15:30:26 +0000 |
| commit | 5c517720d5b21a720e400586177c050d4bc95721 (patch) | |
| tree | 34ec35b1061b27f8770c5ac5ee02aad558cbfc90 /src/lib/libcrypto/bn/bn_ctx.c | |
| parent | d2092adc32c6de492232ba39518f9091db6bc67f (diff) | |
| download | openbsd-OPENBSD_2_9_BASE.tar.gz openbsd-OPENBSD_2_9_BASE.tar.bz2 openbsd-OPENBSD_2_9_BASE.zip | |
This commit was manufactured by cvs2git to create tag 'OPENBSD_2_9_BASE'.OPENBSD_2_9_BASE
Diffstat (limited to 'src/lib/libcrypto/bn/bn_ctx.c')
| -rw-r--r-- | src/lib/libcrypto/bn/bn_ctx.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/src/lib/libcrypto/bn/bn_ctx.c b/src/lib/libcrypto/bn/bn_ctx.c deleted file mode 100644 index b1a8d7571e..0000000000 --- a/src/lib/libcrypto/bn/bn_ctx.c +++ /dev/null | |||
| @@ -1,144 +0,0 @@ | |||
| 1 | /* crypto/bn/bn_ctx.c */ | ||
| 2 | /* Written by Ulf Moeller for the OpenSSL project. */ | ||
| 3 | /* ==================================================================== | ||
| 4 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. | ||
| 5 | * | ||
| 6 | * Redistribution and use in source and binary forms, with or without | ||
| 7 | * modification, are permitted provided that the following conditions | ||
| 8 | * are met: | ||
| 9 | * | ||
| 10 | * 1. Redistributions of source code must retain the above copyright | ||
| 11 | * notice, this list of conditions and the following disclaimer. | ||
| 12 | * | ||
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 14 | * notice, this list of conditions and the following disclaimer in | ||
| 15 | * the documentation and/or other materials provided with the | ||
| 16 | * distribution. | ||
| 17 | * | ||
| 18 | * 3. All advertising materials mentioning features or use of this | ||
| 19 | * software must display the following acknowledgment: | ||
| 20 | * "This product includes software developed by the OpenSSL Project | ||
| 21 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
| 22 | * | ||
| 23 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 24 | * endorse or promote products derived from this software without | ||
| 25 | * prior written permission. For written permission, please contact | ||
| 26 | * openssl-core@openssl.org. | ||
| 27 | * | ||
| 28 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 29 | * nor may "OpenSSL" appear in their names without prior written | ||
| 30 | * permission of the OpenSSL Project. | ||
| 31 | * | ||
| 32 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 33 | * acknowledgment: | ||
| 34 | * "This product includes software developed by the OpenSSL Project | ||
| 35 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
| 36 | * | ||
| 37 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 38 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 39 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 40 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 41 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 42 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 43 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 44 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 45 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 46 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 47 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 48 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 49 | * ==================================================================== | ||
| 50 | * | ||
| 51 | * This product includes cryptographic software written by Eric Young | ||
| 52 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 53 | * Hudson (tjh@cryptsoft.com). | ||
| 54 | * | ||
| 55 | */ | ||
| 56 | |||
| 57 | #ifndef BN_CTX_DEBUG | ||
| 58 | # undef NDEBUG /* avoid conflicting definitions */ | ||
| 59 | # define NDEBUG | ||
| 60 | #endif | ||
| 61 | |||
| 62 | #include <stdio.h> | ||
| 63 | #include <assert.h> | ||
| 64 | #include "cryptlib.h" | ||
| 65 | #include <openssl/bn.h> | ||
| 66 | |||
| 67 | |||
| 68 | BN_CTX *BN_CTX_new(void) | ||
| 69 | { | ||
| 70 | BN_CTX *ret; | ||
| 71 | |||
| 72 | ret=(BN_CTX *)OPENSSL_malloc(sizeof(BN_CTX)); | ||
| 73 | if (ret == NULL) | ||
| 74 | { | ||
| 75 | BNerr(BN_F_BN_CTX_NEW,ERR_R_MALLOC_FAILURE); | ||
| 76 | return(NULL); | ||
| 77 | } | ||
| 78 | |||
| 79 | BN_CTX_init(ret); | ||
| 80 | ret->flags=BN_FLG_MALLOCED; | ||
| 81 | return(ret); | ||
| 82 | } | ||
| 83 | |||
| 84 | void BN_CTX_init(BN_CTX *ctx) | ||
| 85 | { | ||
| 86 | int i; | ||
| 87 | ctx->tos = 0; | ||
| 88 | ctx->flags = 0; | ||
| 89 | ctx->depth = 0; | ||
| 90 | ctx->too_many = 0; | ||
| 91 | for (i = 0; i < BN_CTX_NUM; i++) | ||
| 92 | BN_init(&(ctx->bn[i])); | ||
| 93 | } | ||
| 94 | |||
| 95 | void BN_CTX_free(BN_CTX *ctx) | ||
| 96 | { | ||
| 97 | int i; | ||
| 98 | |||
| 99 | if (ctx == NULL) return; | ||
| 100 | assert(ctx->depth == 0); | ||
| 101 | |||
| 102 | for (i=0; i < BN_CTX_NUM; i++) | ||
| 103 | BN_clear_free(&(ctx->bn[i])); | ||
| 104 | if (ctx->flags & BN_FLG_MALLOCED) | ||
| 105 | OPENSSL_free(ctx); | ||
| 106 | } | ||
| 107 | |||
| 108 | void BN_CTX_start(BN_CTX *ctx) | ||
| 109 | { | ||
| 110 | if (ctx->depth < BN_CTX_NUM_POS) | ||
| 111 | ctx->pos[ctx->depth] = ctx->tos; | ||
| 112 | ctx->depth++; | ||
| 113 | } | ||
| 114 | |||
| 115 | BIGNUM *BN_CTX_get(BN_CTX *ctx) | ||
| 116 | { | ||
| 117 | if (ctx->depth > BN_CTX_NUM_POS || ctx->tos >= BN_CTX_NUM) | ||
| 118 | { | ||
| 119 | if (!ctx->too_many) | ||
| 120 | { | ||
| 121 | BNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES); | ||
| 122 | /* disable error code until BN_CTX_end is called: */ | ||
| 123 | ctx->too_many = 1; | ||
| 124 | } | ||
| 125 | return NULL; | ||
| 126 | } | ||
| 127 | return (&(ctx->bn[ctx->tos++])); | ||
| 128 | } | ||
| 129 | |||
| 130 | void BN_CTX_end(BN_CTX *ctx) | ||
| 131 | { | ||
| 132 | if (ctx == NULL) return; | ||
| 133 | assert(ctx->depth > 0); | ||
| 134 | if (ctx->depth == 0) | ||
| 135 | /* should never happen, but we can tolerate it if not in | ||
| 136 | * debug mode (could be a 'goto err' in the calling function | ||
| 137 | * before BN_CTX_start was reached) */ | ||
| 138 | BN_CTX_start(ctx); | ||
| 139 | |||
| 140 | ctx->too_many = 0; | ||
| 141 | ctx->depth--; | ||
| 142 | if (ctx->depth < BN_CTX_NUM_POS) | ||
| 143 | ctx->tos = ctx->pos[ctx->depth]; | ||
| 144 | } | ||
