* 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 NO_RSA
+#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
-#ifndef NO_DH
+#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
#endif
-#ifndef NO_DSA
+#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,BIGNUM *num,
+static int print(BIO *fp,const char *str, const BIGNUM *num,
unsigned char *buf,int off);
-#ifndef NO_RSA
-#ifndef NO_FP_API
-int RSA_print_fp(FILE *fp, RSA *x, int off)
- {
- BIO *b;
- int ret;
+#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)
+ if ((b=BIO_new(BIO_s_file())) == NULL)
{
RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
+ return(0);
}
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=RSA_print(b,x,off);
- BIO_free(b);
- return(ret);
- }
+ BIO_set_fp(b,fp,BIO_NOCLOSE);
+ ret=RSA_print(b,x,off);
+ BIO_free(b);
+ return(ret);
+ }
#endif
-int RSA_print(BIO *bp, RSA *x, int off)
+int RSA_print(BIO *bp, const RSA *x, int off)
{
char str[128];
const char *s;
unsigned char *m=NULL;
- int i,ret=0;
+ int ret=0, mod_len = 0;
+ size_t buf_len=0, i;
- i=RSA_size(x);
- m=(unsigned char *)Malloc((unsigned int)i+10);
+ 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 (off)
- {
- if (off > 128) off=128;
- memset(str,' ',off);
- }
+ if (x->n != NULL)
+ mod_len = BN_num_bits(x->n);
+
if (x->d != NULL)
{
- if (off && (BIO_write(bp,str,off) <= 0)) goto err;
- if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
+ 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)
- sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
+ BIO_snprintf(str,sizeof str,"Modulus (%d bit):", mod_len);
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;
- 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;
+ 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) Free(m);
+ if (m != NULL) OPENSSL_free(m);
return(ret);
}
-#endif /* NO_RSA */
+#endif /* OPENSSL_NO_RSA */
-#ifndef NO_DSA
-#ifndef NO_FP_API
-int DSA_print_fp(FILE *fp, DSA *x, int off)
+#ifndef OPENSSL_NO_DSA
+#ifndef OPENSSL_NO_FP_API
+int DSA_print_fp(FILE *fp, const DSA *x, int off)
{
BIO *b;
int ret;
}
#endif
-int DSA_print(BIO *bp, DSA *x, int off)
+int DSA_print(BIO *bp, const DSA *x, int off)
{
- char str[128];
unsigned char *m=NULL;
- int i,ret=0;
- BIGNUM *bn=NULL;
-
- if (x->p != NULL)
- bn=x->p;
- else if (x->priv_key != NULL)
- bn=x->priv_key;
- else if (x->pub_key != NULL)
- bn=x->pub_key;
-
- /* larger than needed but what the hell :-) */
- if (bn != NULL)
- i=BN_num_bytes(bn)*2;
+ int ret=0;
+ size_t buf_len=0,i;
+
+ if (x->p)
+ buf_len = (size_t)BN_num_bytes(x->p);
else
- i=256;
- m=(unsigned char *)Malloc((unsigned int)i+10);
- if (m == NULL)
{
- DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
+ 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;
- if (off)
+ m=(unsigned char *)OPENSSL_malloc(buf_len+10);
+ if (m == NULL)
{
- if (off > 128) off=128;
- memset(str,' ',off);
+ DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
+ goto err;
}
+
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;
}
if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
ret=1;
err:
- if (m != NULL) Free(m);
+ 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);
}
-#endif /* !NO_DSA */
-static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
+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;
- 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 NO_DH
-#ifndef NO_FP_API
-int DHparams_print_fp(FILE *fp, DH *x)
- {
- BIO *b;
- int ret;
+#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)
+ if ((b=BIO_new(BIO_s_file())) == NULL)
{
DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
+ return(0);
}
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=DHparams_print(b, x);
- BIO_free(b);
- return(ret);
- }
+ BIO_set_fp(b,fp,BIO_NOCLOSE);
+ ret=DHparams_print(b, x);
+ BIO_free(b);
+ return(ret);
+ }
#endif
-int DHparams_print(BIO *bp, DH *x)
+int DHparams_print(BIO *bp, const DH *x)
{
unsigned char *m=NULL;
- int reason=ERR_R_BUF_LIB,i,ret=0;
+ int reason=ERR_R_BUF_LIB,ret=0;
+ size_t buf_len=0, i;
- i=BN_num_bytes(x->p);
- m=(unsigned char *)Malloc((unsigned int)i+10);
+ 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;
err:
DHerr(DH_F_DHPARAMS_PRINT,reason);
}
- if (m != NULL) Free(m);
+ if (m != NULL) OPENSSL_free(m);
return(ret);
}
#endif
-#ifndef NO_DSA
-#ifndef NO_FP_API
-int DSAparams_print_fp(FILE *fp, DSA *x)
- {
- BIO *b;
- int ret;
+#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)
+ if ((b=BIO_new(BIO_s_file())) == NULL)
{
DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
- return(0);
+ return(0);
}
- BIO_set_fp(b,fp,BIO_NOCLOSE);
- ret=DSAparams_print(b, x);
- BIO_free(b);
- return(ret);
- }
+ BIO_set_fp(b,fp,BIO_NOCLOSE);
+ ret=DSAparams_print(b, x);
+ BIO_free(b);
+ return(ret);
+ }
#endif
-int DSAparams_print(BIO *bp, DSA *x)
+int DSAparams_print(BIO *bp, const DSA *x)
{
unsigned char *m=NULL;
- int reason=ERR_R_BUF_LIB,i,ret=0;
+ int ret=0;
+ size_t buf_len=0,i;
- i=BN_num_bytes(x->p);
- m=(unsigned char *)Malloc((unsigned int)i+10);
+ 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)
{
- reason=ERR_R_MALLOC_FAILURE;
+ DSAerr(DSA_F_DSAPARAMS_PRINT,ERR_R_MALLOC_FAILURE);
goto err;
}
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;
+ 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) Free(m);
- DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
+ 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;
+ }
-#endif /* !NO_DSA */
+ 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
projects / openssl.git / blobdiff