/* crypto/ec/eck_prn.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Written by Nils Larsch for the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2005 The OpenSSL Project. 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
+ *
+ * 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 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.]
+ * 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).
+ *
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * Binary polynomial ECC support in OpenSSL originally developed by
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ * Portions originally developed by SUN MICROSYSTEMS, INC., and
+ * contributed to the OpenSSL project.
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/evp.h>
#include <openssl/ec.h>
+#include <openssl/bn.h>
-#ifndef OPENSSL_NO_FP_API
+#ifndef OPENSSL_NO_STDIO
int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b, fp, BIO_NOCLOSE);
- ret = ECPKParameters_print(b, x, off);
- BIO_free(b);
- return(ret);
- }
+{
+ BIO *b;
+ int ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ ECerr(EC_F_ECPKPARAMETERS_PRINT_FP, ERR_R_BUF_LIB);
+ return (0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = ECPKParameters_print(b, x, off);
+ BIO_free(b);
+ return (ret);
+}
int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB);
- return(0);
- }
- BIO_set_fp(b, fp, BIO_NOCLOSE);
- ret = EC_KEY_print(b, x, off);
- BIO_free(b);
- return(ret);
- }
+{
+ BIO *b;
+ int ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB);
+ return (0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = EC_KEY_print(b, x, off);
+ BIO_free(b);
+ return (ret);
+}
int ECParameters_print_fp(FILE *fp, const EC_KEY *x)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
- return(0);
- }
- BIO_set_fp(b, fp, BIO_NOCLOSE);
- ret = ECParameters_print(b, x);
- BIO_free(b);
- return(ret);
- }
+{
+ BIO *b;
+ int ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB);
+ return (0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = ECParameters_print(b, x);
+ BIO_free(b);
+ return (ret);
+}
#endif
int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
- {
- EVP_PKEY *pk;
- int ret;
- pk = EVP_PKEY_new();
- if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *)x))
- return 0;
- ret = EVP_PKEY_print_private(bp, pk, off, NULL);
- EVP_PKEY_free(pk);
- return ret;
- }
+{
+ EVP_PKEY *pk;
+ int ret;
+ pk = EVP_PKEY_new();
+ if (pk == NULL || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *)x))
+ return 0;
+ ret = EVP_PKEY_print_private(bp, pk, off, NULL);
+ EVP_PKEY_free(pk);
+ return ret;
+}
int ECParameters_print(BIO *bp, const EC_KEY *x)
- {
- EVP_PKEY *pk;
- int ret;
- pk = EVP_PKEY_new();
- if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *)x))
- return 0;
- ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
- EVP_PKEY_free(pk);
- return ret;
- }
+{
+ EVP_PKEY *pk;
+ int ret;
+ pk = EVP_PKEY_new();
+ if (pk == NULL || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *)x))
+ return 0;
+ ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
+ EVP_PKEY_free(pk);
+ return ret;
+}
static int print_bin(BIO *fp, const char *str, const unsigned char *num,
- size_t len, int off);
+ size_t len, int off);
int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
- {
- unsigned char *buffer=NULL;
- size_t buf_len=0, i;
- int ret=0, reason=ERR_R_BIO_LIB;
- BN_CTX *ctx=NULL;
- const EC_POINT *point=NULL;
- BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
- *order=NULL, *cofactor=NULL;
- const unsigned char *seed;
- size_t seed_len=0;
-
- static const char *gen_compressed = "Generator (compressed):";
- static const char *gen_uncompressed = "Generator (uncompressed):";
- static const char *gen_hybrid = "Generator (hybrid):";
-
- if (!x)
- {
- reason = ERR_R_PASSED_NULL_PARAMETER;
- goto err;
- }
-
- ctx = BN_CTX_new();
- if (ctx == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (EC_GROUP_get_asn1_flag(x))
- {
- /* the curve parameter are given by an asn1 OID */
- int nid;
-
- if (!BIO_indent(bp, off, 128))
- goto err;
-
- nid = EC_GROUP_get_curve_name(x);
- if (nid == 0)
- goto err;
-
- if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
- goto err;
- if (BIO_printf(bp, "\n") <= 0)
- goto err;
- }
- else
- {
- /* explicit parameters */
- int is_char_two = 0;
- point_conversion_form_t form;
- int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
-
- if (tmp_nid == NID_X9_62_characteristic_two_field)
- is_char_two = 1;
-
- if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
- (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
- (cofactor = BN_new()) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (is_char_two)
- {
- if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- }
- else /* prime field */
- {
- if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- }
-
- if ((point = EC_GROUP_get0_generator(x)) == NULL)
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- if (!EC_GROUP_get_order(x, order, NULL) ||
- !EC_GROUP_get_cofactor(x, cofactor, NULL))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
-
- form = EC_GROUP_get_point_conversion_form(x);
-
- if ((gen = EC_POINT_point2bn(x, point,
- form, NULL, ctx)) == NULL)
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
-
- buf_len = (size_t)BN_num_bytes(p);
- if (buf_len < (i = (size_t)BN_num_bytes(a)))
- buf_len = i;
- if (buf_len < (i = (size_t)BN_num_bytes(b)))
- buf_len = i;
- if (buf_len < (i = (size_t)BN_num_bytes(gen)))
- buf_len = i;
- if (buf_len < (i = (size_t)BN_num_bytes(order)))
- buf_len = i;
- if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
- buf_len = i;
-
- if ((seed = EC_GROUP_get0_seed(x)) != NULL)
- seed_len = EC_GROUP_get_seed_len(x);
-
- buf_len += 10;
- if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (!BIO_indent(bp, off, 128))
- goto err;
-
- /* print the 'short name' of the field type */
- if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
- <= 0)
- goto err;
-
- if (is_char_two)
- {
- /* print the 'short name' of the base type OID */
- int basis_type = EC_GROUP_get_basis_type(x);
- if (basis_type == 0)
- goto err;
-
- if (!BIO_indent(bp, off, 128))
- goto err;
-
- if (BIO_printf(bp, "Basis Type: %s\n",
- OBJ_nid2sn(basis_type)) <= 0)
- goto err;
-
- /* print the polynomial */
- if ((p != NULL) && !ASN1_bn_print(bp, "Polynomial:", p, buffer,
- off))
- goto err;
- }
- else
- {
- if ((p != NULL) && !ASN1_bn_print(bp, "Prime:", p, buffer,off))
- goto err;
- }
- if ((a != NULL) && !ASN1_bn_print(bp, "A: ", a, buffer, off))
- goto err;
- if ((b != NULL) && !ASN1_bn_print(bp, "B: ", b, buffer, off))
- goto err;
- if (form == POINT_CONVERSION_COMPRESSED)
- {
- if ((gen != NULL) && !ASN1_bn_print(bp, gen_compressed, gen,
- buffer, off))
- goto err;
- }
- else if (form == POINT_CONVERSION_UNCOMPRESSED)
- {
- if ((gen != NULL) && !ASN1_bn_print(bp, gen_uncompressed, gen,
- buffer, off))
- goto err;
- }
- else /* form == POINT_CONVERSION_HYBRID */
- {
- if ((gen != NULL) && !ASN1_bn_print(bp, gen_hybrid, gen,
- buffer, off))
- goto err;
- }
- if ((order != NULL) && !ASN1_bn_print(bp, "Order: ", order,
- buffer, off)) goto err;
- if ((cofactor != NULL) && !ASN1_bn_print(bp, "Cofactor: ", cofactor,
- buffer, off)) goto err;
- if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
- goto err;
- }
- ret=1;
-err:
- if (!ret)
- ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
- if (p)
- BN_free(p);
- if (a)
- BN_free(a);
- if (b)
- BN_free(b);
- if (gen)
- BN_free(gen);
- if (order)
- BN_free(order);
- if (cofactor)
- BN_free(cofactor);
- if (ctx)
- BN_CTX_free(ctx);
- if (buffer != NULL)
- OPENSSL_free(buffer);
- return(ret);
- }
+{
+ unsigned char *buffer = NULL;
+ size_t buf_len = 0, i;
+ int ret = 0, reason = ERR_R_BIO_LIB;
+ BN_CTX *ctx = NULL;
+ const EC_POINT *point = NULL;
+ BIGNUM *p = NULL, *a = NULL, *b = NULL, *gen = NULL,
+ *order = NULL, *cofactor = NULL;
+ const unsigned char *seed;
+ size_t seed_len = 0;
+
+ static const char *gen_compressed = "Generator (compressed):";
+ static const char *gen_uncompressed = "Generator (uncompressed):";
+ static const char *gen_hybrid = "Generator (hybrid):";
+
+ if (!x) {
+ reason = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
+
+ ctx = BN_CTX_new();
+ if (ctx == NULL) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+
+ if (EC_GROUP_get_asn1_flag(x)) {
+ /* the curve parameter are given by an asn1 OID */
+ int nid;
+ const char *nname;
+
+ if (!BIO_indent(bp, off, 128))
+ goto err;
+
+ nid = EC_GROUP_get_curve_name(x);
+ if (nid == 0)
+ goto err;
+ if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
+ goto err;
+ if (BIO_printf(bp, "\n") <= 0)
+ goto err;
+ nname = EC_curve_nid2nist(nid);
+ if (nname) {
+ if (!BIO_indent(bp, off, 128))
+ goto err;
+ if (BIO_printf(bp, "NIST CURVE: %s\n", nname) <= 0)
+ goto err;
+ }
+ } else {
+ /* explicit parameters */
+ int is_char_two = 0;
+ point_conversion_form_t form;
+ int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
+
+ if (tmp_nid == NID_X9_62_characteristic_two_field)
+ is_char_two = 1;
+
+ if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
+ (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
+ (cofactor = BN_new()) == NULL) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+#ifndef OPENSSL_NO_EC2M
+ if (is_char_two) {
+ if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx)) {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+ } else /* prime field */
+#endif
+ {
+ if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx)) {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+ }
+
+ if ((point = EC_GROUP_get0_generator(x)) == NULL) {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+ if (!EC_GROUP_get_order(x, order, NULL) ||
+ !EC_GROUP_get_cofactor(x, cofactor, NULL)) {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+
+ form = EC_GROUP_get_point_conversion_form(x);
+
+ if ((gen = EC_POINT_point2bn(x, point, form, NULL, ctx)) == NULL) {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+
+ buf_len = (size_t)BN_num_bytes(p);
+ if (buf_len < (i = (size_t)BN_num_bytes(a)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(b)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(gen)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(order)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
+ buf_len = i;
+
+ if ((seed = EC_GROUP_get0_seed(x)) != NULL)
+ seed_len = EC_GROUP_get_seed_len(x);
+
+ buf_len += 10;
+ if ((buffer = OPENSSL_malloc(buf_len)) == NULL) {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+
+ if (!BIO_indent(bp, off, 128))
+ goto err;
+
+ /* print the 'short name' of the field type */
+ if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
+ <= 0)
+ goto err;
+
+ if (is_char_two) {
+ /* print the 'short name' of the base type OID */
+ int basis_type = EC_GROUP_get_basis_type(x);
+ if (basis_type == 0)
+ goto err;
+
+ if (!BIO_indent(bp, off, 128))
+ goto err;
+
+ if (BIO_printf(bp, "Basis Type: %s\n",
+ OBJ_nid2sn(basis_type)) <= 0)
+ goto err;
+
+ /* print the polynomial */
+ if ((p != NULL) && !ASN1_bn_print(bp, "Polynomial:", p, buffer,
+ off))
+ goto err;
+ } else {
+ if ((p != NULL) && !ASN1_bn_print(bp, "Prime:", p, buffer, off))
+ goto err;
+ }
+ if ((a != NULL) && !ASN1_bn_print(bp, "A: ", a, buffer, off))
+ goto err;
+ if ((b != NULL) && !ASN1_bn_print(bp, "B: ", b, buffer, off))
+ goto err;
+ if (form == POINT_CONVERSION_COMPRESSED) {
+ if ((gen != NULL) && !ASN1_bn_print(bp, gen_compressed, gen,
+ buffer, off))
+ goto err;
+ } else if (form == POINT_CONVERSION_UNCOMPRESSED) {
+ if ((gen != NULL) && !ASN1_bn_print(bp, gen_uncompressed, gen,
+ buffer, off))
+ goto err;
+ } else { /* form == POINT_CONVERSION_HYBRID */
+
+ if ((gen != NULL) && !ASN1_bn_print(bp, gen_hybrid, gen,
+ buffer, off))
+ goto err;
+ }
+ if ((order != NULL) && !ASN1_bn_print(bp, "Order: ", order,
+ buffer, off))
+ goto err;
+ if ((cofactor != NULL) && !ASN1_bn_print(bp, "Cofactor: ", cofactor,
+ buffer, off))
+ goto err;
+ if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
+ goto err;
+ }
+ ret = 1;
+ err:
+ if (!ret)
+ ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
+ BN_free(p);
+ BN_free(a);
+ BN_free(b);
+ BN_free(gen);
+ BN_free(order);
+ BN_free(cofactor);
+ BN_CTX_free(ctx);
+ OPENSSL_free(buffer);
+ return (ret);
+}
static int print_bin(BIO *fp, const char *name, const unsigned char *buf,
- size_t len, int off)
- {
- size_t i;
- char str[128];
-
- if (buf == NULL)
- return 1;
- if (off)
- {
- if (off > 128)
- off=128;
- memset(str,' ',off);
- if (BIO_write(fp, str, off) <= 0)
- return 0;
- }
-
- if (BIO_printf(fp,"%s", name) <= 0)
- return 0;
-
- for (i=0; i<len; i++)
- {
- if ((i%15) == 0)
- {
- str[0]='\n';
- memset(&(str[1]),' ',off+4);
- if (BIO_write(fp, str, off+1+4) <= 0)
- return 0;
- }
- if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0)
- return 0;
- }
- if (BIO_write(fp,"\n",1) <= 0)
- return 0;
-
- return 1;
- }
+ size_t len, int off)
+{
+ size_t i;
+ char str[128];
+
+ if (buf == NULL)
+ return 1;
+ if (off > 0) {
+ if (off > 128)
+ off = 128;
+ memset(str, ' ', off);
+ if (BIO_write(fp, str, off) <= 0)
+ return 0;
+ } else {
+ off = 0;
+ }
+
+ if (BIO_printf(fp, "%s", name) <= 0)
+ return 0;
+
+ for (i = 0; i < len; i++) {
+ if ((i % 15) == 0) {
+ str[0] = '\n';
+ memset(&(str[1]), ' ', off + 4);
+ if (BIO_write(fp, str, off + 1 + 4) <= 0)
+ return 0;
+ }
+ if (BIO_printf(fp, "%02x%s", buf[i], ((i + 1) == len) ? "" : ":") <=
+ 0)
+ return 0;
+ }
+ if (BIO_write(fp, "\n", 1) <= 0)
+ return 0;
+
+ return 1;
+}
projects / openssl.git / blobdiff