-/* crypto/asn1/t_pkey.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. 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.]
- */
-/* ====================================================================
- * 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.
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/buffer.h>
-#include <openssl/bn.h>
-#ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
-#ifndef OPENSSL_NO_EC
-#include <openssl/ec.h>
-#endif
-
-static int print(BIO *fp,const char *str, const BIGNUM *num,
- unsigned char *buf,int off);
-#ifndef OPENSSL_NO_EC
-static int print_bin(BIO *fp, const char *str, const unsigned char *num,
- size_t len, int off);
-#endif
-#ifndef OPENSSL_NO_RSA
-#ifndef OPENSSL_NO_FP_API
-int RSA_print_fp(FILE *fp, const RSA *x, int off)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=RSA_print(b,x,off);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int RSA_print(BIO *bp, const RSA *x, int off)
- {
- char str[128];
- const char *s;
- unsigned char *m=NULL;
- int ret=0;
- size_t buf_len=0, i;
-
- if (x->n)
- buf_len = (size_t)BN_num_bytes(x->n);
- if (x->e)
- if (buf_len < (i = (size_t)BN_num_bytes(x->e)))
- buf_len = i;
- if (x->d)
- if (buf_len < (i = (size_t)BN_num_bytes(x->d)))
- buf_len = i;
- if (x->p)
- if (buf_len < (i = (size_t)BN_num_bytes(x->p)))
- buf_len = i;
- if (x->q)
- if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
- buf_len = i;
- if (x->dmp1)
- if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1)))
- buf_len = i;
- if (x->dmq1)
- if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1)))
- buf_len = i;
- if (x->iqmp)
- if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp)))
- buf_len = i;
-
- m=(unsigned char *)OPENSSL_malloc(buf_len+10);
- if (m == NULL)
- {
- RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (x->d != NULL)
- {
- if(!BIO_indent(bp,off,128))
- goto err;
- if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
- <= 0) goto err;
- }
-
- if (x->d == NULL)
- BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n));
- else
- BUF_strlcpy(str,"modulus:",sizeof str);
- if (!print(bp,str,x->n,m,off)) goto err;
- s=(x->d == NULL)?"Exponent:":"publicExponent:";
- if (!print(bp,s,x->e,m,off)) goto err;
- if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
- if (!print(bp,"prime1:",x->p,m,off)) goto err;
- if (!print(bp,"prime2:",x->q,m,off)) goto err;
- if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
- if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
- if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
- ret=1;
-err:
- if (m != NULL) OPENSSL_free(m);
- return(ret);
- }
-#endif /* OPENSSL_NO_RSA */
-
-#ifndef OPENSSL_NO_DSA
-#ifndef OPENSSL_NO_FP_API
-int DSA_print_fp(FILE *fp, const DSA *x, int off)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=DSA_print(b,x,off);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int DSA_print(BIO *bp, const DSA *x, int off)
- {
- unsigned char *m=NULL;
- int ret=0;
- size_t buf_len=0,i;
-
- if (x->p)
- buf_len = (size_t)BN_num_bytes(x->p);
- else
- {
- DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
- goto err;
- }
- if (x->q)
- if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
- buf_len = i;
- if (x->g)
- if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
- buf_len = i;
- if (x->priv_key)
- if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key)))
- buf_len = i;
- if (x->pub_key)
- if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key)))
- buf_len = i;
-
- m=(unsigned char *)OPENSSL_malloc(buf_len+10);
- if (m == NULL)
- {
- DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (x->priv_key != NULL)
- {
- if(!BIO_indent(bp,off,128))
- goto err;
- if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
- <= 0) goto err;
- }
-
- if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
- goto err;
- if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
- goto err;
- if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
- if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
- if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
- ret=1;
-err:
- if (m != NULL) OPENSSL_free(m);
- return(ret);
- }
-#endif /* !OPENSSL_NO_DSA */
-
-#ifndef OPENSSL_NO_EC
-#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);
- }
-#endif
-
-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;
- }
-
- 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) && !print(bp, "Polynomial:", p, buffer,
- off))
- goto err;
- }
- else
- {
- if ((p != NULL) && !print(bp, "Prime:", p, buffer,off))
- goto err;
- }
- if ((a != NULL) && !print(bp, "A: ", a, buffer, off))
- goto err;
- if ((b != NULL) && !print(bp, "B: ", b, buffer, off))
- goto err;
- if (form == POINT_CONVERSION_COMPRESSED)
- {
- if ((gen != NULL) && !print(bp, gen_compressed, gen,
- buffer, off))
- goto err;
- }
- else if (form == POINT_CONVERSION_UNCOMPRESSED)
- {
- if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
- buffer, off))
- goto err;
- }
- else /* form == POINT_CONVERSION_HYBRID */
- {
- if ((gen != NULL) && !print(bp, gen_hybrid, gen,
- buffer, off))
- goto err;
- }
- if ((order != NULL) && !print(bp, "Order: ", order,
- buffer, off)) goto err;
- if ((cofactor != NULL) && !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);
- }
-
-int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
- {
- unsigned char *buffer=NULL;
- size_t buf_len=0, i;
- int ret=0, reason=ERR_R_BIO_LIB;
- BIGNUM *pub_key=NULL, *order=NULL;
- BN_CTX *ctx=NULL;
- const EC_GROUP *group;
- const EC_POINT *public_key;
- const BIGNUM *priv_key;
-
- if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
- {
- reason = ERR_R_PASSED_NULL_PARAMETER;
- goto err;
- }
-
- public_key = EC_KEY_get0_public_key(x);
- if ((pub_key = EC_POINT_point2bn(group, public_key,
- EC_KEY_get_conv_form(x), NULL, ctx)) == NULL)
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
-
- buf_len = (size_t)BN_num_bytes(pub_key);
- priv_key = EC_KEY_get0_private_key(x);
- if (priv_key != NULL)
- {
- if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len)
- buf_len = i;
- }
-
- buf_len += 10;
- if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (priv_key != NULL)
- {
- if (!BIO_indent(bp, off, 128))
- goto err;
- if ((order = BN_new()) == NULL)
- goto err;
- if (!EC_GROUP_get_order(group, order, NULL))
- goto err;
- if (BIO_printf(bp, "Private-Key: (%d bit)\n",
- BN_num_bits(order)) <= 0) goto err;
- }
-
- if ((priv_key != NULL) && !print(bp, "priv:", priv_key,
- buffer, off))
- goto err;
- if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
- buffer, off))
- goto err;
- if (!ECPKParameters_print(bp, group, off))
- goto err;
- ret=1;
-err:
- if (!ret)
- ECerr(EC_F_EC_KEY_PRINT, reason);
- if (pub_key)
- BN_free(pub_key);
- if (order)
- BN_free(order);
- if (ctx)
- BN_CTX_free(ctx);
- if (buffer != NULL)
- OPENSSL_free(buffer);
- return(ret);
- }
-#endif /* OPENSSL_NO_EC */
-
-static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf,
- int off)
- {
- int n,i;
- const char *neg;
-
- if (num == NULL) return(1);
- neg = (BN_is_negative(num))?"-":"";
- if(!BIO_indent(bp,off,128))
- return 0;
- if (BN_is_zero(num))
- {
- if (BIO_printf(bp, "%s 0\n", number) <= 0)
- return 0;
- return 1;
- }
-
- if (BN_num_bytes(num) <= BN_BYTES)
- {
- if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
- (unsigned long)num->d[0],neg,(unsigned long)num->d[0])
- <= 0) return(0);
- }
- else
- {
- buf[0]=0;
- if (BIO_printf(bp,"%s%s",number,
- (neg[0] == '-')?" (Negative)":"") <= 0)
- return(0);
- n=BN_bn2bin(num,&buf[1]);
-
- if (buf[1] & 0x80)
- n++;
- else buf++;
-
- for (i=0; i<n; i++)
- {
- if ((i%15) == 0)
- {
- if(BIO_puts(bp,"\n") <= 0
- || !BIO_indent(bp,off+4,128))
- return 0;
- }
- if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
- <= 0) return(0);
- }
- if (BIO_write(bp,"\n",1) <= 0) return(0);
- }
- return(1);
- }
-
-#ifndef OPENSSL_NO_EC
-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;
- }
-#endif
-
-#ifndef OPENSSL_NO_DH
-#ifndef OPENSSL_NO_FP_API
-int DHparams_print_fp(FILE *fp, const DH *x)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=DHparams_print(b, x);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int DHparams_print(BIO *bp, const DH *x)
- {
- unsigned char *m=NULL;
- int reason=ERR_R_BUF_LIB,ret=0;
- size_t buf_len=0, i;
-
- if (x->p)
- buf_len = (size_t)BN_num_bytes(x->p);
- else
- {
- reason = ERR_R_PASSED_NULL_PARAMETER;
- goto err;
- }
- if (x->g)
- if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
- buf_len = i;
- m=(unsigned char *)OPENSSL_malloc(buf_len+10);
- if (m == NULL)
- {
- reason=ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
- BN_num_bits(x->p)) <= 0)
- goto err;
- if (!print(bp,"prime:",x->p,m,4)) goto err;
- if (!print(bp,"generator:",x->g,m,4)) goto err;
- if (x->length != 0)
- {
- if (BIO_printf(bp," recommended-private-length: %d bits\n",
- (int)x->length) <= 0) goto err;
- }
- ret=1;
- if (0)
- {
-err:
- DHerr(DH_F_DHPARAMS_PRINT,reason);
- }
- if (m != NULL) OPENSSL_free(m);
- return(ret);
- }
-#endif
-
-#ifndef OPENSSL_NO_DSA
-#ifndef OPENSSL_NO_FP_API
-int DSAparams_print_fp(FILE *fp, const DSA *x)
- {
- BIO *b;
- int ret;
-
- if ((b=BIO_new(BIO_s_file())) == NULL)
- {
- DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
- }
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=DSAparams_print(b, x);
- BIO_free(b);
- return(ret);
- }
-#endif
-
-int DSAparams_print(BIO *bp, const DSA *x)
- {
- unsigned char *m=NULL;
- int ret=0;
- size_t buf_len=0,i;
-
- if (x->p)
- buf_len = (size_t)BN_num_bytes(x->p);
- else
- {
- DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS);
- goto err;
- }
- if (x->q)
- if (buf_len < (i = (size_t)BN_num_bytes(x->q)))
- buf_len = i;
- if (x->g)
- if (buf_len < (i = (size_t)BN_num_bytes(x->g)))
- buf_len = i;
- m=(unsigned char *)OPENSSL_malloc(buf_len+10);
- if (m == NULL)
- {
- DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
- BN_num_bits(x->p)) <= 0)
- goto err;
- if (!print(bp,"p:",x->p,m,4)) goto err;
- if (!print(bp,"q:",x->q,m,4)) goto err;
- if (!print(bp,"g:",x->g,m,4)) goto err;
- ret=1;
-err:
- if (m != NULL) OPENSSL_free(m);
- return(ret);
- }
-
-#endif /* !OPENSSL_NO_DSA */
-
-#ifndef OPENSSL_NO_EC
-#ifndef OPENSSL_NO_FP_API
-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 ECParameters_print(BIO *bp, const EC_KEY *x)
- {
- int reason=ERR_R_EC_LIB, ret=0;
- BIGNUM *order=NULL;
- const EC_GROUP *group;
-
- if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
- {
- reason = ERR_R_PASSED_NULL_PARAMETER;;
- goto err;
- }
-
- if ((order = BN_new()) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
-
- if (!EC_GROUP_get_order(group, order, NULL))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
-
- if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n",
- BN_num_bits(order)) <= 0)
- goto err;
- if (!ECPKParameters_print(bp, group, 4))
- goto err;
- ret=1;
-err:
- if (order)
- BN_free(order);
- ECerr(EC_F_ECPARAMETERS_PRINT, reason);
- return(ret);
- }
-
-#endif
+#include "internal/bn_int.h"
+
+/* Number of octets per line */
+#define ASN1_BUF_PRINT_WIDTH 15
+/* Maximum indent */
+#define ASN1_PRINT_MAX_INDENT 128
+
+int ASN1_buf_print(BIO *bp, const unsigned char *buf, size_t buflen, int indent)
+{
+ size_t i;
+
+ for (i = 0; i < buflen; i++) {
+ if ((i % ASN1_BUF_PRINT_WIDTH) == 0) {
+ if (i > 0 && BIO_puts(bp, "\n") <= 0)
+ return 0;
+ if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
+ return 0;
+ }
+ /*
+ * Use colon separators for each octet for compatibility as
+ * this function is used to print out key components.
+ */
+ if (BIO_printf(bp, "%02x%s", buf[i],
+ (i == buflen - 1) ? "" : ":") <= 0)
+ return 0;
+ }
+ if (BIO_write(bp, "\n", 1) <= 0)
+ return 0;
+ return 1;
+}
+
+int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
+ unsigned char *ign, int indent)
+{
+ int n, rv = 0;
+ const char *neg;
+ unsigned char *buf = NULL, *tmp = NULL;
+ int buflen;
+
+ if (num == NULL)
+ return 1;
+ neg = BN_is_negative(num) ? "-" : "";
+ if (!BIO_indent(bp, indent, ASN1_PRINT_MAX_INDENT))
+ return 0;
+ if (BN_is_zero(num)) {
+ if (BIO_printf(bp, "%s 0\n", number) <= 0)
+ return 0;
+ return 1;
+ }
+
+ if (BN_num_bytes(num) <= BN_BYTES) {
+ if (BIO_printf(bp, "%s %s%lu (%s0x%lx)\n", number, neg,
+ (unsigned long)bn_get_words(num)[0], neg,
+ (unsigned long)bn_get_words(num)[0]) <= 0)
+ return 0;
+ return 1;
+ }
+
+ buflen = BN_num_bytes(num) + 1;
+ buf = tmp = OPENSSL_malloc(buflen);
+ if (buf == NULL)
+ goto err;
+ buf[0] = 0;
+ if (BIO_printf(bp, "%s%s\n", number,
+ (neg[0] == '-') ? " (Negative)" : "") <= 0)
+ goto err;
+ n = BN_bn2bin(num, buf + 1);
+
+ if (buf[1] & 0x80)
+ n++;
+ else
+ tmp++;
+
+ if (ASN1_buf_print(bp, tmp, n, indent + 4) == 0)
+ goto err;
+ rv = 1;
+ err:
+ OPENSSL_clear_free(buf, buflen);
+ return rv;
+}
projects / openssl.git / blobdiff