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Diffstat (limited to 'thirdparty/openssl/crypto/evp/bio_md.c')
-rw-r--r-- | thirdparty/openssl/crypto/evp/bio_md.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/thirdparty/openssl/crypto/evp/bio_md.c b/thirdparty/openssl/crypto/evp/bio_md.c deleted file mode 100644 index f0b0c0c0a7..0000000000 --- a/thirdparty/openssl/crypto/evp/bio_md.c +++ /dev/null @@ -1,272 +0,0 @@ -/* crypto/evp/bio_md.c */ -/* 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 <stdio.h> -#include <errno.h> -#include "cryptlib.h" -#include <openssl/buffer.h> -#include <openssl/evp.h> - -/* - * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest - */ - -static int md_write(BIO *h, char const *buf, int num); -static int md_read(BIO *h, char *buf, int size); -/* - * static int md_puts(BIO *h, const char *str); - */ -static int md_gets(BIO *h, char *str, int size); -static long md_ctrl(BIO *h, int cmd, long arg1, void *arg2); -static int md_new(BIO *h); -static int md_free(BIO *data); -static long md_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp); - -static BIO_METHOD methods_md = { - BIO_TYPE_MD, "message digest", - md_write, - md_read, - NULL, /* md_puts, */ - md_gets, - md_ctrl, - md_new, - md_free, - md_callback_ctrl, -}; - -BIO_METHOD *BIO_f_md(void) -{ - return (&methods_md); -} - -static int md_new(BIO *bi) -{ - EVP_MD_CTX *ctx; - - ctx = EVP_MD_CTX_create(); - if (ctx == NULL) - return (0); - - bi->init = 0; - bi->ptr = (char *)ctx; - bi->flags = 0; - return (1); -} - -static int md_free(BIO *a) -{ - if (a == NULL) - return (0); - EVP_MD_CTX_destroy(a->ptr); - a->ptr = NULL; - a->init = 0; - a->flags = 0; - return (1); -} - -static int md_read(BIO *b, char *out, int outl) -{ - int ret = 0; - EVP_MD_CTX *ctx; - - if (out == NULL) - return (0); - ctx = b->ptr; - - if ((ctx == NULL) || (b->next_bio == NULL)) - return (0); - - ret = BIO_read(b->next_bio, out, outl); - if (b->init) { - if (ret > 0) { - if (EVP_DigestUpdate(ctx, (unsigned char *)out, - (unsigned int)ret) <= 0) - return (-1); - } - } - BIO_clear_retry_flags(b); - BIO_copy_next_retry(b); - return (ret); -} - -static int md_write(BIO *b, const char *in, int inl) -{ - int ret = 0; - EVP_MD_CTX *ctx; - - if ((in == NULL) || (inl <= 0)) - return (0); - ctx = b->ptr; - - if ((ctx != NULL) && (b->next_bio != NULL)) - ret = BIO_write(b->next_bio, in, inl); - if (b->init) { - if (ret > 0) { - if (!EVP_DigestUpdate(ctx, (const unsigned char *)in, - (unsigned int)ret)) { - BIO_clear_retry_flags(b); - return 0; - } - } - } - if (b->next_bio != NULL) { - BIO_clear_retry_flags(b); - BIO_copy_next_retry(b); - } - return (ret); -} - -static long md_ctrl(BIO *b, int cmd, long num, void *ptr) -{ - EVP_MD_CTX *ctx, *dctx, **pctx; - const EVP_MD **ppmd; - EVP_MD *md; - long ret = 1; - BIO *dbio; - - ctx = b->ptr; - - switch (cmd) { - case BIO_CTRL_RESET: - if (b->init) - ret = EVP_DigestInit_ex(ctx, ctx->digest, NULL); - else - ret = 0; - if (ret > 0) - ret = BIO_ctrl(b->next_bio, cmd, num, ptr); - break; - case BIO_C_GET_MD: - if (b->init) { - ppmd = ptr; - *ppmd = ctx->digest; - } else - ret = 0; - break; - case BIO_C_GET_MD_CTX: - pctx = ptr; - *pctx = ctx; - b->init = 1; - break; - case BIO_C_SET_MD_CTX: - if (b->init) - b->ptr = ptr; - else - ret = 0; - break; - case BIO_C_DO_STATE_MACHINE: - BIO_clear_retry_flags(b); - ret = BIO_ctrl(b->next_bio, cmd, num, ptr); - BIO_copy_next_retry(b); - break; - - case BIO_C_SET_MD: - md = ptr; - ret = EVP_DigestInit_ex(ctx, md, NULL); - if (ret > 0) - b->init = 1; - break; - case BIO_CTRL_DUP: - dbio = ptr; - dctx = dbio->ptr; - if (!EVP_MD_CTX_copy_ex(dctx, ctx)) - return 0; - b->init = 1; - break; - default: - ret = BIO_ctrl(b->next_bio, cmd, num, ptr); - break; - } - return (ret); -} - -static long md_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) -{ - long ret = 1; - - if (b->next_bio == NULL) - return (0); - switch (cmd) { - default: - ret = BIO_callback_ctrl(b->next_bio, cmd, fp); - break; - } - return (ret); -} - -static int md_gets(BIO *bp, char *buf, int size) -{ - EVP_MD_CTX *ctx; - unsigned int ret; - - ctx = bp->ptr; - if (size < ctx->digest->md_size) - return (0); - if (EVP_DigestFinal_ex(ctx, (unsigned char *)buf, &ret) <= 0) - return -1; - - return ((int)ret); -} - -/*- -static int md_puts(bp,str) -BIO *bp; -char *str; - { - return(-1); - } -*/ |