Oops...
authorDr. Stephen Henson <steve@openssl.org>
Sat, 15 Apr 2006 13:12:42 +0000 (13:12 +0000)
committerDr. Stephen Henson <steve@openssl.org>
Sat, 15 Apr 2006 13:12:42 +0000 (13:12 +0000)
crypto/asn1/t_pkey.c

index 9dd18f6..afb95d6 100644 (file)
  * 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.
+ */
 
 #include <stdio.h>
 #include "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, mod_len = 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->n != NULL)
+               mod_len = BN_num_bits(x->n);
+
+       if (x->d != NULL)
+               {
+               if(!BIO_indent(bp,off,128))
+                  goto err;
+               if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len)
+                       <= 0) goto err;
+               }
+
+       if (x->d == NULL)
+               BIO_snprintf(str,sizeof str,"Modulus (%d bit):", mod_len);
+       else
+               BUF_strlcpy(str,"modulus:",sizeof str);
+       if (!print(bp,str,x->n,m,off)) goto err;
+       s=(x->d == NULL)?"Exponent:":"publicExponent:";
+       if ((x->e != NULL) && !print(bp,s,x->e,m,off))
+               goto err;
+       if ((x->d != NULL) && !print(bp,"privateExponent:",x->d,m,off))
+               goto err;
+       if ((x->p != NULL) && !print(bp,"prime1:",x->p,m,off))
+               goto err;
+       if ((x->q != NULL) && !print(bp,"prime2:",x->q,m,off))
+               goto err;
+       if ((x->dmp1 != NULL) && !print(bp,"exponent1:",x->dmp1,m,off))
+               goto err;
+       if ((x->dmq1 != NULL) && !print(bp,"exponent2:",x->dmq1,m,off))
+               goto err;
+       if ((x->iqmp != NULL) && !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 ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
-                       unsigned char *buf, int off)
+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;
@@ -112,3 +617,223 @@ int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,
                }
        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_DSAPARAMS_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_DSAPARAMS_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 ((x->q != NULL) && !print(bp,"q:",x->q,m,4)) goto err;
+       if ((x->g != NULL) && !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