* 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/ec.h>
#endif
-static int print(BIO *fp,const char *str,BIGNUM *num,
+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)
goto err;
}
- if (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- }
if (x->d != NULL)
{
- if (off && (BIO_write(bp,str,off) <= 0)) goto err;
+ 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)
- sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
+ BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n));
else
- strcpy(str,"modulus:");
+ 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;
int DSA_print(BIO *bp, const DSA *x, int off)
{
- char str[128];
unsigned char *m=NULL;
int ret=0;
size_t buf_len=0,i;
goto err;
}
- if (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- }
if (x->priv_key != NULL)
{
- if (off && (BIO_write(bp,str,off) <= 0)) goto err;
+ 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;
}
int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
{
- char str[128];
unsigned char *buffer=NULL;
size_t buf_len=0, i;
int ret=0, reason=ERR_R_BIO_LIB;
BN_CTX *ctx=NULL;
- EC_POINT *point=NULL;
+ const EC_POINT *point=NULL;
BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
- *order=NULL, *cofactor=NULL, *seed=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):";
/* the curve parameter are given by an asn1 OID */
int nid;
- if (off)
- {
- if (off > 128)
- off=128;
- memset(str, ' ', off);
- if (BIO_write(bp, str, off) <= 0)
- goto err;
- }
+ if (!BIO_indent(bp, off, 128))
+ goto err;
- nid = EC_GROUP_get_nid(x);
+ nid = EC_GROUP_get_curve_name(x);
if (nid == 0)
goto err;
else
{
/* explicit parameters */
- /* TODO */
+ 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 ||
goto err;
}
- if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
+ if (is_char_two)
{
- reason = ERR_R_EC_LIB;
- goto err;
+ 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)
if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
buf_len = i;
- if (EC_GROUP_get0_seed(x))
- {
- seed = BN_bin2bn(EC_GROUP_get0_seed(x),
- EC_GROUP_get_seed_len(x), NULL);
- if (seed == NULL)
- {
- reason = ERR_R_BN_LIB;
- goto err;
- }
- if (buf_len < (i = (size_t)BN_num_bytes(seed)))
- 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 (off)
+
+ 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)
{
- if (off > 128) off=128;
- memset(str,' ',off);
+ /* 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 ((p != NULL) && !print(bp, "P: ", 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))
buffer, off)) goto err;
if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor,
buffer, off)) goto err;
- if ((seed != NULL) && !print(bp, "Seed:", seed,
- buffer, off)) goto err;
+ if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
+ goto err;
}
ret=1;
err:
BN_free(order);
if (cofactor)
BN_free(cofactor);
- if (seed)
- BN_free(seed);
if (ctx)
BN_CTX_free(ctx);
if (buffer != NULL)
int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
{
- char str[128];
unsigned char *buffer=NULL;
size_t buf_len=0, i;
int ret=0, reason=ERR_R_BIO_LIB;
- BIGNUM *pub_key=NULL;
+ 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 || !x->group)
+ if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
{
reason = ERR_R_PASSED_NULL_PARAMETER;
goto err;
}
- if ((pub_key = EC_POINT_point2bn(x->group, x->pub_key,
- x->conv_form, NULL, ctx)) == NULL)
+ 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);
- if (x->priv_key)
+ priv_key = EC_KEY_get0_private_key(x);
+ if (priv_key != NULL)
{
- if ((i = (size_t)BN_num_bytes(x->priv_key)) > buf_len)
+ if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len)
buf_len = i;
}
reason = ERR_R_MALLOC_FAILURE;
goto err;
}
- if (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- }
- if (x->priv_key != NULL)
+
+ if (priv_key != NULL)
{
- if (off && (BIO_write(bp, str, off) <= 0)) goto err;
+ 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(x->priv_key)) <= 0) goto err;
+ BN_num_bits(order)) <= 0) goto err;
}
- if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key,
+ 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, x->group, off))
+ if (!ECPKParameters_print(bp, group, off))
goto err;
ret=1;
err:
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)
}
#endif /* OPENSSL_NO_EC */
-static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
+static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf,
int off)
{
int n,i;
- char str[128];
const char *neg;
if (num == NULL) return(1);
- neg=(num->neg)?"-":"";
- if (off)
+ neg = (BN_is_negative(num))?"-":"";
+ if(!BIO_indent(bp,off,128))
+ return 0;
+ if (BN_is_zero(num))
{
- if (off > 128) off=128;
- memset(str,' ',off);
- if (BIO_write(bp,str,off) <= 0) return(0);
+ if (BIO_printf(bp, "%s 0\n", number) <= 0)
+ return 0;
+ return 1;
}
if (BN_num_bytes(num) <= BN_BYTES)
{
if ((i%15) == 0)
{
- str[0]='\n';
- memset(&(str[1]),' ',off+4);
- if (BIO_write(bp,str,off+1+4) <= 0) return(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);
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)
{
int reason=ERR_R_EC_LIB, ret=0;
BIGNUM *order=NULL;
+ const EC_GROUP *group;
- if (!x || !x->group)
+ if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
{
reason = ERR_R_PASSED_NULL_PARAMETER;;
goto err;
goto err;
}
- if (!EC_GROUP_get_order(x->group, order, NULL))
+ 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, x->group, 4))
+ if (!ECPKParameters_print(bp, group, 4))
goto err;
ret=1;
err:
projects / openssl.git / blobdiff