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authormarha <marha@users.sourceforge.net>2012-04-10 11:41:26 +0200
committermarha <marha@users.sourceforge.net>2012-04-10 11:41:26 +0200
commit67326634496ef21b4acbf4cef2f05040d34aef9b (patch)
treef19fba7c7b691e44cd97482644e383e09ab98c49 /openssl/crypto/ec/ec_key.c
parentc6f80401dc533b04341afe8d596960d1bc25efce (diff)
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Update to openssl-1.0.1
Diffstat (limited to 'openssl/crypto/ec/ec_key.c')
-rw-r--r--openssl/crypto/ec/ec_key.c102
1 files changed, 101 insertions, 1 deletions
diff --git a/openssl/crypto/ec/ec_key.c b/openssl/crypto/ec/ec_key.c
index 522802c07..bf9fd2dc2 100644
--- a/openssl/crypto/ec/ec_key.c
+++ b/openssl/crypto/ec/ec_key.c
@@ -64,7 +64,9 @@
#include <string.h>
#include "ec_lcl.h"
#include <openssl/err.h>
-#include <string.h>
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
EC_KEY *EC_KEY_new(void)
{
@@ -78,6 +80,7 @@ EC_KEY *EC_KEY_new(void)
}
ret->version = 1;
+ ret->flags = 0;
ret->group = NULL;
ret->pub_key = NULL;
ret->priv_key= NULL;
@@ -197,6 +200,7 @@ EC_KEY *EC_KEY_copy(EC_KEY *dest, const EC_KEY *src)
dest->enc_flag = src->enc_flag;
dest->conv_form = src->conv_form;
dest->version = src->version;
+ dest->flags = src->flags;
return dest;
}
@@ -237,6 +241,11 @@ int EC_KEY_generate_key(EC_KEY *eckey)
BIGNUM *priv_key = NULL, *order = NULL;
EC_POINT *pub_key = NULL;
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode())
+ return FIPS_ec_key_generate_key(eckey);
+#endif
+
if (!eckey || !eckey->group)
{
ECerr(EC_F_EC_KEY_GENERATE_KEY, ERR_R_PASSED_NULL_PARAMETER);
@@ -371,6 +380,82 @@ err:
return(ok);
}
+int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, BIGNUM *y)
+ {
+ BN_CTX *ctx = NULL;
+ BIGNUM *tx, *ty;
+ EC_POINT *point = NULL;
+ int ok = 0, tmp_nid, is_char_two = 0;
+
+ if (!key || !key->group || !x || !y)
+ {
+ ECerr(EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES,
+ ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+ ctx = BN_CTX_new();
+ if (!ctx)
+ goto err;
+
+ point = EC_POINT_new(key->group);
+
+ if (!point)
+ goto err;
+
+ tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(key->group));
+
+ if (tmp_nid == NID_X9_62_characteristic_two_field)
+ is_char_two = 1;
+
+ tx = BN_CTX_get(ctx);
+ ty = BN_CTX_get(ctx);
+#ifndef OPENSSL_NO_EC2M
+ if (is_char_two)
+ {
+ if (!EC_POINT_set_affine_coordinates_GF2m(key->group, point,
+ x, y, ctx))
+ goto err;
+ if (!EC_POINT_get_affine_coordinates_GF2m(key->group, point,
+ tx, ty, ctx))
+ goto err;
+ }
+ else
+#endif
+ {
+ if (!EC_POINT_set_affine_coordinates_GFp(key->group, point,
+ x, y, ctx))
+ goto err;
+ if (!EC_POINT_get_affine_coordinates_GFp(key->group, point,
+ tx, ty, ctx))
+ goto err;
+ }
+ /* Check if retrieved coordinates match originals: if not values
+ * are out of range.
+ */
+ if (BN_cmp(x, tx) || BN_cmp(y, ty))
+ {
+ ECerr(EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES,
+ EC_R_COORDINATES_OUT_OF_RANGE);
+ goto err;
+ }
+
+ if (!EC_KEY_set_public_key(key, point))
+ goto err;
+
+ if (EC_KEY_check_key(key) == 0)
+ goto err;
+
+ ok = 1;
+
+ err:
+ if (ctx)
+ BN_CTX_free(ctx);
+ if (point)
+ EC_POINT_free(point);
+ return ok;
+
+ }
+
const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key)
{
return key->group;
@@ -461,3 +546,18 @@ int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx)
return 0;
return EC_GROUP_precompute_mult(key->group, ctx);
}
+
+int EC_KEY_get_flags(const EC_KEY *key)
+ {
+ return key->flags;
+ }
+
+void EC_KEY_set_flags(EC_KEY *key, int flags)
+ {
+ key->flags |= flags;
+ }
+
+void EC_KEY_clear_flags(EC_KEY *key, int flags)
+ {
+ key->flags &= ~flags;
+ }