| Index: openssl/crypto/ec/eck_prn.c
|
| ===================================================================
|
| --- openssl/crypto/ec/eck_prn.c (revision 0)
|
| +++ openssl/crypto/ec/eck_prn.c (revision 0)
|
| @@ -0,0 +1,391 @@
|
| +/* crypto/ec/eck_prn.c */
|
| +/*
|
| + * Written by Nils Larsch for the OpenSSL project.
|
| + */
|
| +/* ====================================================================
|
| + * Copyright (c) 1998-2005 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).
|
| + *
|
| + */
|
| +/* ====================================================================
|
| + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
|
| + * Portions originally developed by SUN MICROSYSTEMS, INC., and
|
| + * contributed to the OpenSSL project.
|
| + */
|
| +
|
| +#include <stdio.h>
|
| +#include "cryptlib.h"
|
| +#include <openssl/evp.h>
|
| +#include <openssl/ec.h>
|
| +#include <openssl/bn.h>
|
| +
|
| +#ifndef OPENSSL_NO_FP_API
|
| +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);
|
| + }
|
| +
|
| +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);
|
| + }
|
| +
|
| +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);
|
| + }
|
| +#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;
|
| + }
|
| +
|
| +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;
|
| + }
|
| +
|
| +static int print_bin(BIO *fp, const char *str, const unsigned char *num,
|
| + 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);
|
| + }
|
| +
|
| +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;
|
| + }
|
|
|