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; |
+ } |