#include <stdio.h>
#include "cryptlib.h"
+#include <openssl/objects.h>
#include <openssl/buffer.h>
#include <openssl/bn.h>
#ifndef OPENSSL_NO_RSA
}
#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
+
+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;
+ BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
+ *order=NULL, *cofactor=NULL, *seed=NULL;
+
+ 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 (off)
+ {
+ if (off > 128)
+ off=128;
+ memset(str, ' ', off);
+ if (BIO_write(bp, str, off) <= 0)
+ goto err;
+ }
+
+ nid = EC_GROUP_get_nid(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 */
+ /* TODO */
+ point_conversion_form_t form;
+
+ 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 (!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 (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;
+ }
+
+ buf_len += 10;
+ if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
+ {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ if (off)
+ {
+ if (off > 128) off=128;
+ memset(str,' ',off);
+ }
+
+ 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))
+ 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 != NULL) && !print(bp, "Seed:", seed,
+ buffer, 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 (seed)
+ BN_free(seed);
+ if (ctx)
+ BN_CTX_free(ctx);
+ if (buffer != NULL)
+ OPENSSL_free(buffer);
+ return(ret);
+ }
+#endif /* OPENSSL_NO_EC */
+
+
#ifndef OPENSSL_NO_ECDSA
#ifndef OPENSSL_NO_FP_API
int ECDSA_print_fp(FILE *fp, const ECDSA *x, int off)
{
char str[128];
unsigned char *buffer=NULL;
- int i, buf_len=0, ret=0, reason=ERR_R_BIO_LIB;
- BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL,
- *tmp_4=NULL, *tmp_5=NULL, *tmp_6=NULL,
- *tmp_7=NULL;
+ size_t buf_len=0, i;
+ int ret=0, reason=ERR_R_BIO_LIB;
+ BIGNUM *pub_key=NULL;
BN_CTX *ctx=NULL;
- EC_POINT *point=NULL;
- /* TODO: fields other than prime fields */
-
if (!x || !x->group)
{
- reason = ECDSA_R_MISSING_PARAMETERS;
- goto err;
- }
- if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
- (tmp_3 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL ||
- (tmp_6 = BN_new()) == NULL || (tmp_7 = BN_new()) == NULL)
- {
- reason = ERR_R_MALLOC_FAILURE;
- goto err;
- }
- if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx))
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- if ((point = EC_GROUP_get0_generator(x->group)) == NULL)
- {
- reason = ERR_R_EC_LIB;
- goto err;
- }
- if (!EC_GROUP_get_order(x->group, tmp_6, NULL) ||
- !EC_GROUP_get_cofactor(x->group, tmp_7, NULL))
- {
- reason = ERR_R_EC_LIB;
+ reason = ERR_R_PASSED_NULL_PARAMETER;
goto err;
}
- if ((tmp_4 = EC_POINT_point2bn(x->group, point,
- ECDSA_get_conversion_form(x), tmp_4, ctx)) == NULL)
+
+ if ((pub_key = EC_POINT_point2bn(x->group, x->pub_key,
+ ECDSA_get_conversion_form(x), NULL, ctx)) == NULL)
{
reason = ERR_R_EC_LIB;
goto err;
}
- if ((tmp_5 = EC_POINT_point2bn(x->group, x->pub_key,
- ECDSA_get_conversion_form(x), tmp_5, ctx)) == NULL)
+
+ buf_len = (size_t)BN_num_bytes(pub_key);
+ if (x->priv_key)
{
- reason = ERR_R_EC_LIB;
- goto err;
+ if ((i = (size_t)BN_num_bytes(x->priv_key)) > buf_len)
+ buf_len = i;
}
- buf_len = BN_num_bytes(tmp_1);
- if (buf_len < (i = BN_num_bytes(tmp_2))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_3))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_4))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_5))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_6))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_7))) buf_len = i;
buf_len += 10;
if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
{
if (x->priv_key != NULL)
{
if (off && (BIO_write(bp, str, off) <= 0)) goto err;
- if (BIO_printf(bp, "Private-Key: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
+ if (BIO_printf(bp, "Private-Key: (%d bit)\n",
+ BN_num_bits(x->priv_key)) <= 0) goto err;
}
- if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key, buffer, off)) goto err;
- if ((tmp_5 != NULL) && !print(bp, "pub: ", tmp_5, buffer, off)) goto err;
- if ((tmp_1 != NULL) && !print(bp, "P: ", tmp_1, buffer, off)) goto err;
- if ((tmp_2 != NULL) && !print(bp, "A: ", tmp_2, buffer, off)) goto err;
- if ((tmp_3 != NULL) && !print(bp, "B: ", tmp_3, buffer, off)) goto err;
- if ((tmp_4 != NULL) && !print(bp, "Gen: ", tmp_4, buffer, off)) goto err;
- if ((tmp_6 != NULL) && !print(bp, "Order: ", tmp_6, buffer, off)) goto err;
- if ((tmp_7 != NULL) && !print(bp, "Cofactor: ", tmp_7, buffer, off)) goto err;
+ if ((x->priv_key != NULL) && !print(bp, "priv:", x->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))
+ goto err;
ret=1;
err:
if (!ret)
ECDSAerr(ECDSA_F_ECDSA_PRINT, reason);
- if (tmp_1) BN_free(tmp_1);
- if (tmp_2) BN_free(tmp_2);
- if (tmp_3) BN_free(tmp_3);
- if (tmp_4) BN_free(tmp_4);
- if (tmp_5) BN_free(tmp_5);
- if (tmp_6) BN_free(tmp_6);
- if (tmp_7) BN_free(tmp_7);
- if (ctx) BN_CTX_free(ctx);
- if (buffer != NULL) OPENSSL_free(buffer);
+ if (pub_key)
+ BN_free(pub_key);
+ if (ctx)
+ BN_CTX_free(ctx);
+ if (buffer != NULL)
+ OPENSSL_free(buffer);
return(ret);
}
#endif
#endif
int ECDSAParameters_print(BIO *bp, const ECDSA *x)
- {
- unsigned char *buffer=NULL;
- int buf_len;
- int reason=ERR_R_EC_LIB, i, ret=0;
- BIGNUM *tmp_1=NULL, *tmp_2=NULL, *tmp_3=NULL, *tmp_4=NULL,
- *tmp_5=NULL, *tmp_6=NULL;
- BN_CTX *ctx=NULL;
- EC_POINT *point=NULL;
+ {
+ int reason=ERR_R_EC_LIB, ret=0;
+ BIGNUM *order=NULL;
- /* TODO: fields other than prime fields */
- if (!x || !x->group)
- {
- reason = ECDSA_R_MISSING_PARAMETERS;
+ if (!x || !x->group)
+ {
+ reason = ERR_R_PASSED_NULL_PARAMETER;;
goto err;
- }
- if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL ||
- (tmp_3 = BN_new()) == NULL || (tmp_5 = BN_new()) == NULL ||
- (tmp_6 = BN_new()) == NULL || (ctx = BN_CTX_new()) == NULL)
- {
+ }
+
+ if ((order = BN_new()) == NULL)
+ {
reason = ERR_R_MALLOC_FAILURE;
goto err;
- }
- if (!EC_GROUP_get_curve_GFp(x->group, tmp_1, tmp_2, tmp_3, ctx)) goto err;
- if ((point = EC_GROUP_get0_generator(x->group)) == NULL) goto err;
- if (!EC_GROUP_get_order(x->group, tmp_5, ctx)) goto err;
- if (!EC_GROUP_get_cofactor(x->group, tmp_6, ctx)) goto err;
+ }
- if ((tmp_4 = EC_POINT_point2bn(x->group, point,
- ECDSA_get_conversion_form(x), NULL, ctx)) == NULL)
+ if (!EC_GROUP_get_order(x->group, order, NULL))
{
reason = ERR_R_EC_LIB;
goto err;
}
-
- buf_len = BN_num_bytes(tmp_1);
- if (buf_len < (i = BN_num_bytes(tmp_2))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_3))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_4))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_5))) buf_len = i;
- if (buf_len < (i = BN_num_bytes(tmp_6))) buf_len = i;
- buf_len += 10;
- if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
- {
- reason=ERR_R_MALLOC_FAILURE;
- goto err;
- }
- if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", BN_num_bits(tmp_1)) <= 0) goto err;
- if (!print(bp, "Prime p:", tmp_1, buffer, 4)) goto err;
- if (!print(bp, "Curve a:", tmp_2, buffer, 4)) goto err;
- if (!print(bp, "Curve b:", tmp_3, buffer, 4)) goto err;
- if (!print(bp, "Generator (compressed):", tmp_4, buffer, 4)) goto err;
- if (!print(bp, "Order:", tmp_5, buffer, 4)) goto err;
- if (!print(bp, "Cofactor:", tmp_6, buffer, 4)) 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))
+ goto err;
ret=1;
err:
- if (tmp_1) BN_free(tmp_1);
- if (tmp_2) BN_free(tmp_2);
- if (tmp_3) BN_free(tmp_3);
- if (tmp_4) BN_free(tmp_4);
- if (tmp_5) BN_free(tmp_5);
- if (tmp_6) BN_free(tmp_6);
- if (ctx) BN_CTX_free(ctx);
- if (buffer) OPENSSL_free(buffer);
+ if (order)
+ BN_free(order);
ECDSAerr(ECDSA_F_ECDSAPARAMETERS_PRINT, reason);
return(ret);
}
projects / oweals / openssl.git / blobdiff