Commit 4141c803 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Oops...

parent ba1ba5f0

crypto/asn1/t_pkey.c

+727 −2
Original line number Diff line number Diff line
@@ -55,15 +55,520 @@ 
 * 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 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;

		}

  

int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num,

			unsigned char *buf, int off)

	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