diff options
Diffstat (limited to 'openssl/crypto/evp/evp_key.c')
-rw-r--r-- | openssl/crypto/evp/evp_key.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/openssl/crypto/evp/evp_key.c b/openssl/crypto/evp/evp_key.c deleted file mode 100644 index 839d6a3a..00000000 --- a/openssl/crypto/evp/evp_key.c +++ /dev/null @@ -1,180 +0,0 @@ -/* crypto/evp/evp_key.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 "cryptlib.h" -#include <openssl/x509.h> -#include <openssl/objects.h> -#include <openssl/evp.h> -#include <openssl/ui.h> - -/* should be init to zeros. */ -static char prompt_string[80]; - -void EVP_set_pw_prompt(const char *prompt) - { - if (prompt == NULL) - prompt_string[0]='\0'; - else - { - strncpy(prompt_string,prompt,79); - prompt_string[79]='\0'; - } - } - -char *EVP_get_pw_prompt(void) - { - if (prompt_string[0] == '\0') - return(NULL); - else - return(prompt_string); - } - -/* For historical reasons, the standard function for reading passwords is - * in the DES library -- if someone ever wants to disable DES, - * this function will fail */ -int EVP_read_pw_string(char *buf, int len, const char *prompt, int verify) - { - return EVP_read_pw_string_min(buf, 0, len, prompt, verify); - } - -int EVP_read_pw_string_min(char *buf, int min, int len, const char *prompt, int verify) - { - int ret; - char buff[BUFSIZ]; - UI *ui; - - if ((prompt == NULL) && (prompt_string[0] != '\0')) - prompt=prompt_string; - ui = UI_new(); - UI_add_input_string(ui,prompt,0,buf,min,(len>=BUFSIZ)?BUFSIZ-1:len); - if (verify) - UI_add_verify_string(ui,prompt,0, - buff,min,(len>=BUFSIZ)?BUFSIZ-1:len,buf); - ret = UI_process(ui); - UI_free(ui); - OPENSSL_cleanse(buff,BUFSIZ); - return ret; - } - -int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, - const unsigned char *salt, const unsigned char *data, int datal, - int count, unsigned char *key, unsigned char *iv) - { - EVP_MD_CTX c; - unsigned char md_buf[EVP_MAX_MD_SIZE]; - int niv,nkey,addmd=0; - unsigned int mds=0,i; - - nkey=type->key_len; - niv=type->iv_len; - OPENSSL_assert(nkey <= EVP_MAX_KEY_LENGTH); - OPENSSL_assert(niv <= EVP_MAX_IV_LENGTH); - - if (data == NULL) return(nkey); - - EVP_MD_CTX_init(&c); - for (;;) - { - if (!EVP_DigestInit_ex(&c,md, NULL)) - return 0; - if (addmd++) - EVP_DigestUpdate(&c,&(md_buf[0]),mds); - EVP_DigestUpdate(&c,data,datal); - if (salt != NULL) - EVP_DigestUpdate(&c,salt,PKCS5_SALT_LEN); - EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds); - - for (i=1; i<(unsigned int)count; i++) - { - EVP_DigestInit_ex(&c,md, NULL); - EVP_DigestUpdate(&c,&(md_buf[0]),mds); - EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds); - } - i=0; - if (nkey) - { - for (;;) - { - if (nkey == 0) break; - if (i == mds) break; - if (key != NULL) - *(key++)=md_buf[i]; - nkey--; - i++; - } - } - if (niv && (i != mds)) - { - for (;;) - { - if (niv == 0) break; - if (i == mds) break; - if (iv != NULL) - *(iv++)=md_buf[i]; - niv--; - i++; - } - } - if ((nkey == 0) && (niv == 0)) break; - } - EVP_MD_CTX_cleanup(&c); - OPENSSL_cleanse(&(md_buf[0]),EVP_MAX_MD_SIZE); - return(type->key_len); - } - |