diff options
Diffstat (limited to 'openssl/crypto/ec/ec_print.c')
| -rw-r--r-- | openssl/crypto/ec/ec_print.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/openssl/crypto/ec/ec_print.c b/openssl/crypto/ec/ec_print.c deleted file mode 100644 index f7c8a303..00000000 --- a/openssl/crypto/ec/ec_print.c +++ /dev/null @@ -1,195 +0,0 @@ -/* crypto/ec/ec_print.c */ -/* ==================================================================== - * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. - * - * 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 above 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <openssl/crypto.h> -#include "ec_lcl.h" - -BIGNUM *EC_POINT_point2bn(const EC_GROUP *group, - const EC_POINT *point, - point_conversion_form_t form, - BIGNUM *ret, - BN_CTX *ctx) - { - size_t buf_len=0; - unsigned char *buf; - - buf_len = EC_POINT_point2oct(group, point, form, - NULL, 0, ctx); - if (buf_len == 0) - return NULL; - - if ((buf = OPENSSL_malloc(buf_len)) == NULL) - return NULL; - - if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) - { - OPENSSL_free(buf); - return NULL; - } - - ret = BN_bin2bn(buf, buf_len, ret); - - OPENSSL_free(buf); - - return ret; -} - -EC_POINT *EC_POINT_bn2point(const EC_GROUP *group, - const BIGNUM *bn, - EC_POINT *point, - BN_CTX *ctx) - { - size_t buf_len=0; - unsigned char *buf; - EC_POINT *ret; - - if ((buf_len = BN_num_bytes(bn)) == 0) return NULL; - buf = OPENSSL_malloc(buf_len); - if (buf == NULL) - return NULL; - - if (!BN_bn2bin(bn, buf)) - { - OPENSSL_free(buf); - return NULL; - } - - if (point == NULL) - { - if ((ret = EC_POINT_new(group)) == NULL) - { - OPENSSL_free(buf); - return NULL; - } - } - else - ret = point; - - if (!EC_POINT_oct2point(group, ret, buf, buf_len, ctx)) - { - if (point == NULL) - EC_POINT_clear_free(ret); - OPENSSL_free(buf); - return NULL; - } - - OPENSSL_free(buf); - return ret; - } - -static const char *HEX_DIGITS = "0123456789ABCDEF"; - -/* the return value must be freed (using OPENSSL_free()) */ -char *EC_POINT_point2hex(const EC_GROUP *group, - const EC_POINT *point, - point_conversion_form_t form, - BN_CTX *ctx) - { - char *ret, *p; - size_t buf_len=0,i; - unsigned char *buf, *pbuf; - - buf_len = EC_POINT_point2oct(group, point, form, - NULL, 0, ctx); - if (buf_len == 0) - return NULL; - - if ((buf = OPENSSL_malloc(buf_len)) == NULL) - return NULL; - - if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) - { - OPENSSL_free(buf); - return NULL; - } - - ret = (char *)OPENSSL_malloc(buf_len*2+2); - if (ret == NULL) - { - OPENSSL_free(buf); - return NULL; - } - p = ret; - pbuf = buf; - for (i=buf_len; i > 0; i--) - { - int v = (int) *(pbuf++); - *(p++)=HEX_DIGITS[v>>4]; - *(p++)=HEX_DIGITS[v&0x0F]; - } - *p='\0'; - - OPENSSL_free(buf); - - return ret; - } - -EC_POINT *EC_POINT_hex2point(const EC_GROUP *group, - const char *buf, - EC_POINT *point, - BN_CTX *ctx) - { - EC_POINT *ret=NULL; - BIGNUM *tmp_bn=NULL; - - if (!BN_hex2bn(&tmp_bn, buf)) - return NULL; - - ret = EC_POINT_bn2point(group, tmp_bn, point, ctx); - - BN_clear_free(tmp_bn); - - return ret; - } |