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Diffstat (limited to 'lib/libcrypto/ec/ec_asn1.c')
-rw-r--r--lib/libcrypto/ec/ec_asn1.c1208
1 files changed, 503 insertions, 705 deletions
diff --git a/lib/libcrypto/ec/ec_asn1.c b/lib/libcrypto/ec/ec_asn1.c
index 2bde9a6a3c5..70670a4c750 100644
--- a/lib/libcrypto/ec/ec_asn1.c
+++ b/lib/libcrypto/ec/ec_asn1.c
@@ -10,7 +10,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -63,12 +63,13 @@
#include <openssl/objects.h>
-int EC_GROUP_get_basis_type(const EC_GROUP *group)
- {
- int i=0;
+int
+EC_GROUP_get_basis_type(const EC_GROUP * group)
+{
+ int i = 0;
if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) !=
- NID_X9_62_characteristic_two_field)
+ NID_X9_62_characteristic_two_field)
/* everything else is currently not supported */
return 0;
@@ -82,40 +83,38 @@ int EC_GROUP_get_basis_type(const EC_GROUP *group)
else
/* everything else is currently not supported */
return 0;
- }
+}
#ifndef OPENSSL_NO_EC2M
-int EC_GROUP_get_trinomial_basis(const EC_GROUP *group, unsigned int *k)
- {
+int
+EC_GROUP_get_trinomial_basis(const EC_GROUP * group, unsigned int *k)
+{
if (group == NULL)
return 0;
if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) !=
NID_X9_62_characteristic_two_field
- || !((group->poly[0] != 0) && (group->poly[1] != 0) && (group->poly[2] == 0)))
- {
+ || !((group->poly[0] != 0) && (group->poly[1] != 0) && (group->poly[2] == 0))) {
ECerr(EC_F_EC_GROUP_GET_TRINOMIAL_BASIS, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
- }
-
+ }
if (k)
*k = group->poly[1];
return 1;
- }
-int EC_GROUP_get_pentanomial_basis(const EC_GROUP *group, unsigned int *k1,
- unsigned int *k2, unsigned int *k3)
- {
+}
+int
+EC_GROUP_get_pentanomial_basis(const EC_GROUP * group, unsigned int *k1,
+ unsigned int *k2, unsigned int *k3)
+{
if (group == NULL)
return 0;
if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) !=
NID_X9_62_characteristic_two_field
- || !((group->poly[0] != 0) && (group->poly[1] != 0) && (group->poly[2] != 0) && (group->poly[3] != 0) && (group->poly[4] == 0)))
- {
+ || !((group->poly[0] != 0) && (group->poly[1] != 0) && (group->poly[2] != 0) && (group->poly[3] != 0) && (group->poly[4] == 0))) {
ECerr(EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
- }
-
+ }
if (k1)
*k1 = group->poly[3];
if (k2)
@@ -124,7 +123,7 @@ int EC_GROUP_get_pentanomial_basis(const EC_GROUP *group, unsigned int *k1,
*k3 = group->poly[1];
return 1;
- }
+}
#endif
@@ -133,27 +132,27 @@ typedef struct x9_62_pentanomial_st {
long k1;
long k2;
long k3;
- } X9_62_PENTANOMIAL;
+} X9_62_PENTANOMIAL;
typedef struct x9_62_characteristic_two_st {
long m;
- ASN1_OBJECT *type;
- union {
+ ASN1_OBJECT *type;
+ union {
char *ptr;
/* NID_X9_62_onBasis */
- ASN1_NULL *onBasis;
+ ASN1_NULL *onBasis;
/* NID_X9_62_tpBasis */
ASN1_INTEGER *tpBasis;
/* NID_X9_62_ppBasis */
X9_62_PENTANOMIAL *ppBasis;
/* anything else */
ASN1_TYPE *other;
- } p;
- } X9_62_CHARACTERISTIC_TWO;
+ } p;
+} X9_62_CHARACTERISTIC_TWO;
typedef struct x9_62_fieldid_st {
- ASN1_OBJECT *fieldType;
- union {
+ ASN1_OBJECT *fieldType;
+ union {
char *ptr;
/* NID_X9_62_prime_field */
ASN1_INTEGER *prime;
@@ -161,40 +160,40 @@ typedef struct x9_62_fieldid_st {
X9_62_CHARACTERISTIC_TWO *char_two;
/* anything else */
ASN1_TYPE *other;
- } p;
- } X9_62_FIELDID;
+ } p;
+} X9_62_FIELDID;
typedef struct x9_62_curve_st {
- ASN1_OCTET_STRING *a;
- ASN1_OCTET_STRING *b;
- ASN1_BIT_STRING *seed;
- } X9_62_CURVE;
+ ASN1_OCTET_STRING *a;
+ ASN1_OCTET_STRING *b;
+ ASN1_BIT_STRING *seed;
+} X9_62_CURVE;
typedef struct ec_parameters_st {
- long version;
- X9_62_FIELDID *fieldID;
- X9_62_CURVE *curve;
- ASN1_OCTET_STRING *base;
- ASN1_INTEGER *order;
- ASN1_INTEGER *cofactor;
- } ECPARAMETERS;
+ long version;
+ X9_62_FIELDID *fieldID;
+ X9_62_CURVE *curve;
+ ASN1_OCTET_STRING *base;
+ ASN1_INTEGER *order;
+ ASN1_INTEGER *cofactor;
+} ECPARAMETERS;
struct ecpk_parameters_st {
- int type;
+ int type;
union {
- ASN1_OBJECT *named_curve;
+ ASN1_OBJECT *named_curve;
ECPARAMETERS *parameters;
- ASN1_NULL *implicitlyCA;
+ ASN1_NULL *implicitlyCA;
} value;
- }/* ECPKPARAMETERS */;
+} /* ECPKPARAMETERS */ ;
/* SEC1 ECPrivateKey */
typedef struct ec_privatekey_st {
- long version;
+ long version;
ASN1_OCTET_STRING *privateKey;
- ECPKPARAMETERS *parameters;
- ASN1_BIT_STRING *publicKey;
- } EC_PRIVATEKEY;
+ ECPKPARAMETERS *parameters;
+ ASN1_BIT_STRING *publicKey;
+} EC_PRIVATEKEY;
/* the OpenSSL ASN.1 definitions */
ASN1_SEQUENCE(X9_62_PENTANOMIAL) = {
@@ -219,10 +218,8 @@ ASN1_SEQUENCE(X9_62_CHARACTERISTIC_TWO) = {
ASN1_SIMPLE(X9_62_CHARACTERISTIC_TWO, type, ASN1_OBJECT),
ASN1_ADB_OBJECT(X9_62_CHARACTERISTIC_TWO)
} ASN1_SEQUENCE_END(X9_62_CHARACTERISTIC_TWO)
-
DECLARE_ASN1_ALLOC_FUNCTIONS(X9_62_CHARACTERISTIC_TWO)
IMPLEMENT_ASN1_ALLOC_FUNCTIONS(X9_62_CHARACTERISTIC_TWO)
-
ASN1_ADB_TEMPLATE(fieldID_def) = ASN1_SIMPLE(X9_62_FIELDID, p.other, ASN1_ANY);
ASN1_ADB(X9_62_FIELDID) = {
@@ -249,7 +246,6 @@ ASN1_SEQUENCE(ECPARAMETERS) = {
ASN1_SIMPLE(ECPARAMETERS, order, ASN1_INTEGER),
ASN1_OPT(ECPARAMETERS, cofactor, ASN1_INTEGER)
} ASN1_SEQUENCE_END(ECPARAMETERS)
-
DECLARE_ASN1_ALLOC_FUNCTIONS(ECPARAMETERS)
IMPLEMENT_ASN1_ALLOC_FUNCTIONS(ECPARAMETERS)
@@ -258,7 +254,6 @@ ASN1_CHOICE(ECPKPARAMETERS) = {
ASN1_SIMPLE(ECPKPARAMETERS, value.parameters, ECPARAMETERS),
ASN1_SIMPLE(ECPKPARAMETERS, value.implicitlyCA, ASN1_NULL)
} ASN1_CHOICE_END(ECPKPARAMETERS)
-
DECLARE_ASN1_FUNCTIONS_const(ECPKPARAMETERS)
DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECPKPARAMETERS, ECPKPARAMETERS)
IMPLEMENT_ASN1_FUNCTIONS_const(ECPKPARAMETERS)
@@ -269,39 +264,38 @@ ASN1_SEQUENCE(EC_PRIVATEKEY) = {
ASN1_EXP_OPT(EC_PRIVATEKEY, parameters, ECPKPARAMETERS, 0),
ASN1_EXP_OPT(EC_PRIVATEKEY, publicKey, ASN1_BIT_STRING, 1)
} ASN1_SEQUENCE_END(EC_PRIVATEKEY)
-
DECLARE_ASN1_FUNCTIONS_const(EC_PRIVATEKEY)
DECLARE_ASN1_ENCODE_FUNCTIONS_const(EC_PRIVATEKEY, EC_PRIVATEKEY)
IMPLEMENT_ASN1_FUNCTIONS_const(EC_PRIVATEKEY)
-
/* some declarations of internal function */
-/* ec_asn1_group2field() sets the values in a X9_62_FIELDID object */
+/* ec_asn1_group2field() sets the values in a X9_62_FIELDID object */
static int ec_asn1_group2fieldid(const EC_GROUP *, X9_62_FIELDID *);
-/* ec_asn1_group2curve() sets the values in a X9_62_CURVE object */
+/* ec_asn1_group2curve() sets the values in a X9_62_CURVE object */
static int ec_asn1_group2curve(const EC_GROUP *, X9_62_CURVE *);
/* ec_asn1_parameters2group() creates a EC_GROUP object from a
* ECPARAMETERS object */
-static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *);
-/* ec_asn1_group2parameters() creates a ECPARAMETERS object from a
+static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *);
+/* ec_asn1_group2parameters() creates a ECPARAMETERS object from a
* EC_GROUP object */
-static ECPARAMETERS *ec_asn1_group2parameters(const EC_GROUP *,ECPARAMETERS *);
+static ECPARAMETERS *ec_asn1_group2parameters(const EC_GROUP *, ECPARAMETERS *);
/* ec_asn1_pkparameters2group() creates a EC_GROUP object from a
* ECPKPARAMETERS object */
-static EC_GROUP *ec_asn1_pkparameters2group(const ECPKPARAMETERS *);
-/* ec_asn1_group2pkparameters() creates a ECPKPARAMETERS object from a
+static EC_GROUP *ec_asn1_pkparameters2group(const ECPKPARAMETERS *);
+/* ec_asn1_group2pkparameters() creates a ECPKPARAMETERS object from a
* EC_GROUP object */
-static ECPKPARAMETERS *ec_asn1_group2pkparameters(const EC_GROUP *,
- ECPKPARAMETERS *);
+static ECPKPARAMETERS *ec_asn1_group2pkparameters(const EC_GROUP *,
+ ECPKPARAMETERS *);
/* the function definitions */
-static int ec_asn1_group2fieldid(const EC_GROUP *group, X9_62_FIELDID *field)
- {
- int ok=0, nid;
- BIGNUM *tmp = NULL;
-
+static int
+ec_asn1_group2fieldid(const EC_GROUP * group, X9_62_FIELDID * field)
+{
+ int ok = 0, nid;
+ BIGNUM *tmp = NULL;
+
if (group == NULL || field == NULL)
return 0;
@@ -313,248 +307,203 @@ static int ec_asn1_group2fieldid(const EC_GROUP *group, X9_62_FIELDID *field)
nid = EC_METHOD_get_field_type(EC_GROUP_method_of(group));
/* set OID for the field */
- if ((field->fieldType = OBJ_nid2obj(nid)) == NULL)
- {
+ if ((field->fieldType = OBJ_nid2obj(nid)) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_OBJ_LIB);
goto err;
- }
-
- if (nid == NID_X9_62_prime_field)
- {
- if ((tmp = BN_new()) == NULL)
- {
+ }
+ if (nid == NID_X9_62_prime_field) {
+ if ((tmp = BN_new()) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_MALLOC_FAILURE);
goto err;
- }
+ }
/* the parameters are specified by the prime number p */
- if (!EC_GROUP_get_curve_GFp(group, tmp, NULL, NULL, NULL))
- {
+ if (!EC_GROUP_get_curve_GFp(group, tmp, NULL, NULL, NULL)) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_EC_LIB);
goto err;
- }
+ }
/* set the prime number */
- field->p.prime = BN_to_ASN1_INTEGER(tmp,NULL);
- if (field->p.prime == NULL)
- {
+ field->p.prime = BN_to_ASN1_INTEGER(tmp, NULL);
+ if (field->p.prime == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_ASN1_LIB);
goto err;
- }
}
- else /* nid == NID_X9_62_characteristic_two_field */
+ } else /* nid == NID_X9_62_characteristic_two_field */
#ifdef OPENSSL_NO_EC2M
- {
+ {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, EC_R_GF2M_NOT_SUPPORTED);
goto err;
- }
+ }
#else
- {
- int field_type;
+ {
+ int field_type;
X9_62_CHARACTERISTIC_TWO *char_two;
field->p.char_two = X9_62_CHARACTERISTIC_TWO_new();
char_two = field->p.char_two;
- if (char_two == NULL)
- {
+ if (char_two == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_MALLOC_FAILURE);
goto err;
- }
-
- char_two->m = (long)EC_GROUP_get_degree(group);
+ }
+ char_two->m = (long) EC_GROUP_get_degree(group);
field_type = EC_GROUP_get_basis_type(group);
- if (field_type == 0)
- {
+ if (field_type == 0) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_EC_LIB);
goto err;
- }
+ }
/* set base type OID */
- if ((char_two->type = OBJ_nid2obj(field_type)) == NULL)
- {
+ if ((char_two->type = OBJ_nid2obj(field_type)) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_OBJ_LIB);
goto err;
- }
-
- if (field_type == NID_X9_62_tpBasis)
- {
+ }
+ if (field_type == NID_X9_62_tpBasis) {
unsigned int k;
if (!EC_GROUP_get_trinomial_basis(group, &k))
goto err;
char_two->p.tpBasis = ASN1_INTEGER_new();
- if (!char_two->p.tpBasis)
- {
+ if (!char_two->p.tpBasis) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_MALLOC_FAILURE);
goto err;
- }
- if (!ASN1_INTEGER_set(char_two->p.tpBasis, (long)k))
- {
+ }
+ if (!ASN1_INTEGER_set(char_two->p.tpBasis, (long) k)) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID,
- ERR_R_ASN1_LIB);
+ ERR_R_ASN1_LIB);
goto err;
- }
}
- else if (field_type == NID_X9_62_ppBasis)
- {
+ } else if (field_type == NID_X9_62_ppBasis) {
unsigned int k1, k2, k3;
if (!EC_GROUP_get_pentanomial_basis(group, &k1, &k2, &k3))
goto err;
char_two->p.ppBasis = X9_62_PENTANOMIAL_new();
- if (!char_two->p.ppBasis)
- {
+ if (!char_two->p.ppBasis) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_MALLOC_FAILURE);
goto err;
- }
-
- /* set k? values */
- char_two->p.ppBasis->k1 = (long)k1;
- char_two->p.ppBasis->k2 = (long)k2;
- char_two->p.ppBasis->k3 = (long)k3;
}
- else /* field_type == NID_X9_62_onBasis */
- {
+ /* set k? values */
+ char_two->p.ppBasis->k1 = (long) k1;
+ char_two->p.ppBasis->k2 = (long) k2;
+ char_two->p.ppBasis->k3 = (long) k3;
+ } else { /* field_type == NID_X9_62_onBasis */
/* for ONB the parameters are (asn1) NULL */
char_two->p.onBasis = ASN1_NULL_new();
- if (!char_two->p.onBasis)
- {
+ if (!char_two->p.onBasis) {
ECerr(EC_F_EC_ASN1_GROUP2FIELDID, ERR_R_MALLOC_FAILURE);
goto err;
- }
}
}
+ }
#endif
ok = 1;
-err : if (tmp)
+err: if (tmp)
BN_free(tmp);
- return(ok);
+ return (ok);
}
-static int ec_asn1_group2curve(const EC_GROUP *group, X9_62_CURVE *curve)
- {
- int ok=0, nid;
- BIGNUM *tmp_1=NULL, *tmp_2=NULL;
- unsigned char *buffer_1=NULL, *buffer_2=NULL,
- *a_buf=NULL, *b_buf=NULL;
- size_t len_1, len_2;
+static int
+ec_asn1_group2curve(const EC_GROUP * group, X9_62_CURVE * curve)
+{
+ int ok = 0, nid;
+ BIGNUM *tmp_1 = NULL, *tmp_2 = NULL;
+ unsigned char *buffer_1 = NULL, *buffer_2 = NULL, *a_buf = NULL,
+ *b_buf = NULL;
+ size_t len_1, len_2;
unsigned char char_zero = 0;
if (!group || !curve || !curve->a || !curve->b)
return 0;
- if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL)
- {
+ if ((tmp_1 = BN_new()) == NULL || (tmp_2 = BN_new()) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_MALLOC_FAILURE);
goto err;
- }
-
+ }
nid = EC_METHOD_get_field_type(EC_GROUP_method_of(group));
/* get a and b */
- if (nid == NID_X9_62_prime_field)
- {
- if (!EC_GROUP_get_curve_GFp(group, NULL, tmp_1, tmp_2, NULL))
- {
+ if (nid == NID_X9_62_prime_field) {
+ if (!EC_GROUP_get_curve_GFp(group, NULL, tmp_1, tmp_2, NULL)) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_EC_LIB);
goto err;
- }
}
+ }
#ifndef OPENSSL_NO_EC2M
- else /* nid == NID_X9_62_characteristic_two_field */
- {
- if (!EC_GROUP_get_curve_GF2m(group, NULL, tmp_1, tmp_2, NULL))
- {
+ else { /* nid == NID_X9_62_characteristic_two_field */
+ if (!EC_GROUP_get_curve_GF2m(group, NULL, tmp_1, tmp_2, NULL)) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_EC_LIB);
goto err;
- }
}
+ }
#endif
- len_1 = (size_t)BN_num_bytes(tmp_1);
- len_2 = (size_t)BN_num_bytes(tmp_2);
+ len_1 = (size_t) BN_num_bytes(tmp_1);
+ len_2 = (size_t) BN_num_bytes(tmp_2);
- if (len_1 == 0)
- {
+ if (len_1 == 0) {
/* len_1 == 0 => a == 0 */
a_buf = &char_zero;
len_1 = 1;
- }
- else
- {
- if ((buffer_1 = malloc(len_1)) == NULL)
- {
+ } else {
+ if ((buffer_1 = malloc(len_1)) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE,
- ERR_R_MALLOC_FAILURE);
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
- if ( (len_1 = BN_bn2bin(tmp_1, buffer_1)) == 0)
- {
+ }
+ if ((len_1 = BN_bn2bin(tmp_1, buffer_1)) == 0) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_BN_LIB);
goto err;
- }
- a_buf = buffer_1;
}
+ a_buf = buffer_1;
+ }
- if (len_2 == 0)
- {
+ if (len_2 == 0) {
/* len_2 == 0 => b == 0 */
b_buf = &char_zero;
len_2 = 1;
- }
- else
- {
- if ((buffer_2 = malloc(len_2)) == NULL)
- {
+ } else {
+ if ((buffer_2 = malloc(len_2)) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE,
- ERR_R_MALLOC_FAILURE);
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
- if ( (len_2 = BN_bn2bin(tmp_2, buffer_2)) == 0)
- {
+ }
+ if ((len_2 = BN_bn2bin(tmp_2, buffer_2)) == 0) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_BN_LIB);
goto err;
- }
- b_buf = buffer_2;
}
-
+ b_buf = buffer_2;
+ }
+
/* set a and b */
if (!M_ASN1_OCTET_STRING_set(curve->a, a_buf, len_1) ||
- !M_ASN1_OCTET_STRING_set(curve->b, b_buf, len_2))
- {
+ !M_ASN1_OCTET_STRING_set(curve->b, b_buf, len_2)) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_ASN1_LIB);
goto err;
- }
-
+ }
/* set the seed (optional) */
- if (group->seed)
- {
+ if (group->seed) {
if (!curve->seed)
- if ((curve->seed = ASN1_BIT_STRING_new()) == NULL)
- {
+ if ((curve->seed = ASN1_BIT_STRING_new()) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_MALLOC_FAILURE);
goto err;
- }
- curve->seed->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
+ }
+ curve->seed->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
curve->seed->flags |= ASN1_STRING_FLAG_BITS_LEFT;
- if (!ASN1_BIT_STRING_set(curve->seed, group->seed,
- (int)group->seed_len))
- {
+ if (!ASN1_BIT_STRING_set(curve->seed, group->seed,
+ (int) group->seed_len)) {
ECerr(EC_F_EC_ASN1_GROUP2CURVE, ERR_R_ASN1_LIB);
goto err;
- }
}
- else
- {
- if (curve->seed)
- {
+ } else {
+ if (curve->seed) {
ASN1_BIT_STRING_free(curve->seed);
curve->seed = NULL;
- }
}
+ }
ok = 1;
@@ -566,880 +515,729 @@ err: if (buffer_1)
BN_free(tmp_1);
if (tmp_2)
BN_free(tmp_2);
- return(ok);
- }
+ return (ok);
+}
-static ECPARAMETERS *ec_asn1_group2parameters(const EC_GROUP *group,
- ECPARAMETERS *param)
- {
- int ok=0;
- size_t len=0;
- ECPARAMETERS *ret=NULL;
- BIGNUM *tmp=NULL;
- unsigned char *buffer=NULL;
- const EC_POINT *point=NULL;
+static ECPARAMETERS *
+ec_asn1_group2parameters(const EC_GROUP * group, ECPARAMETERS * param)
+{
+ int ok = 0;
+ size_t len = 0;
+ ECPARAMETERS *ret = NULL;
+ BIGNUM *tmp = NULL;
+ unsigned char *buffer = NULL;
+ const EC_POINT *point = NULL;
point_conversion_form_t form;
- if ((tmp = BN_new()) == NULL)
- {
+ if ((tmp = BN_new()) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_MALLOC_FAILURE);
goto err;
- }
-
- if (param == NULL)
- {
- if ((ret = ECPARAMETERS_new()) == NULL)
- {
- ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
}
- else
+ if (param == NULL) {
+ if ((ret = ECPARAMETERS_new()) == NULL) {
+ ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ } else
ret = param;
/* set the version (always one) */
- ret->version = (long)0x1;
+ ret->version = (long) 0x1;
/* set the fieldID */
- if (!ec_asn1_group2fieldid(group, ret->fieldID))
- {
+ if (!ec_asn1_group2fieldid(group, ret->fieldID)) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
goto err;
- }
-
+ }
/* set the curve */
- if (!ec_asn1_group2curve(group, ret->curve))
- {
+ if (!ec_asn1_group2curve(group, ret->curve)) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
goto err;
- }
-
+ }
/* set the base point */
- if ((point = EC_GROUP_get0_generator(group)) == NULL)
- {
+ if ((point = EC_GROUP_get0_generator(group)) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, EC_R_UNDEFINED_GENERATOR);
goto err;
- }
-
+ }
form = EC_GROUP_get_point_conversion_form(group);
len = EC_POINT_point2oct(group, point, form, NULL, len, NULL);
- if (len == 0)
- {
+ if (len == 0) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
goto err;
- }
- if ((buffer = malloc(len)) == NULL)
- {
+ }
+ if ((buffer = malloc(len)) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_MALLOC_FAILURE);
goto err;
- }
- if (!EC_POINT_point2oct(group, point, form, buffer, len, NULL))
- {
+ }
+ if (!EC_POINT_point2oct(group, point, form, buffer, len, NULL)) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
goto err;
- }
- if (ret->base == NULL && (ret->base = ASN1_OCTET_STRING_new()) == NULL)
- {
+ }
+ if (ret->base == NULL && (ret->base = ASN1_OCTET_STRING_new()) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_MALLOC_FAILURE);
goto err;
- }
- if (!ASN1_OCTET_STRING_set(ret->base, buffer, len))
- {
+ }
+ if (!ASN1_OCTET_STRING_set(ret->base, buffer, len)) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_ASN1_LIB);
goto err;
- }
-
+ }
/* set the order */
- if (!EC_GROUP_get_order(group, tmp, NULL))
- {
+ if (!EC_GROUP_get_order(group, tmp, NULL)) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
goto err;
- }
+ }
ret->order = BN_to_ASN1_INTEGER(tmp, ret->order);
- if (ret->order == NULL)
- {
+ if (ret->order == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_ASN1_LIB);
goto err;
- }
-
+ }
/* set the cofactor (optional) */
- if (EC_GROUP_get_cofactor(group, tmp, NULL))
- {
+ if (EC_GROUP_get_cofactor(group, tmp, NULL)) {
ret->cofactor = BN_to_ASN1_INTEGER(tmp, ret->cofactor);
- if (ret->cofactor == NULL)
- {
+ if (ret->cofactor == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_ASN1_LIB);
goto err;
- }
}
-
+ }
ok = 1;
-err : if(!ok)
- {
+err: if (!ok) {
if (ret && !param)
ECPARAMETERS_free(ret);
ret = NULL;
- }
+ }
if (tmp)
BN_free(tmp);
if (buffer)
free(buffer);
- return(ret);
- }
+ return (ret);
+}
-ECPKPARAMETERS *ec_asn1_group2pkparameters(const EC_GROUP *group,
- ECPKPARAMETERS *params)
- {
- int ok = 1, tmp;
+ECPKPARAMETERS *
+ec_asn1_group2pkparameters(const EC_GROUP * group, ECPKPARAMETERS * params)
+{
+ int ok = 1, tmp;
ECPKPARAMETERS *ret = params;
- if (ret == NULL)
- {
- if ((ret = ECPKPARAMETERS_new()) == NULL)
- {
- ECerr(EC_F_EC_ASN1_GROUP2PKPARAMETERS,
- ERR_R_MALLOC_FAILURE);
+ if (ret == NULL) {
+ if ((ret = ECPKPARAMETERS_new()) == NULL) {
+ ECerr(EC_F_EC_ASN1_GROUP2PKPARAMETERS,
+ ERR_R_MALLOC_FAILURE);
return NULL;
- }
}
- else
- {
+ } else {
if (ret->type == 0 && ret->value.named_curve)
ASN1_OBJECT_free(ret->value.named_curve);
else if (ret->type == 1 && ret->value.parameters)
ECPARAMETERS_free(ret->value.parameters);
- }
+ }
- if (EC_GROUP_get_asn1_flag(group))
- {
- /* use the asn1 OID to describe the
- * the elliptic curve parameters
+ if (EC_GROUP_get_asn1_flag(group)) {
+ /*
+ * use the asn1 OID to describe the the elliptic curve
+ * parameters
*/
tmp = EC_GROUP_get_curve_name(group);
- if (tmp)
- {
+ if (tmp) {
ret->type = 0;
if ((ret->value.named_curve = OBJ_nid2obj(tmp)) == NULL)
ok = 0;
- }
- else
+ } else
/* we don't kmow the nid => ERROR */
ok = 0;
- }
- else
- {
+ } else {
/* use the ECPARAMETERS structure */
ret->type = 1;
if ((ret->value.parameters = ec_asn1_group2parameters(
- group, NULL)) == NULL)
+ group, NULL)) == NULL)
ok = 0;
- }
+ }
- if (!ok)
- {
+ if (!ok) {
ECPKPARAMETERS_free(ret);
return NULL;
- }
- return ret;
}
+ return ret;
+}
-static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params)
- {
- int ok = 0, tmp;
- EC_GROUP *ret = NULL;
- BIGNUM *p = NULL, *a = NULL, *b = NULL;
- EC_POINT *point=NULL;
- long field_bits;
-
- if (!params->fieldID || !params->fieldID->fieldType ||
- !params->fieldID->p.ptr)
- {
+static EC_GROUP *
+ec_asn1_parameters2group(const ECPARAMETERS * params)
+{
+ int ok = 0, tmp;
+ EC_GROUP *ret = NULL;
+ BIGNUM *p = NULL, *a = NULL, *b = NULL;
+ EC_POINT *point = NULL;
+ long field_bits;
+
+ if (!params->fieldID || !params->fieldID->fieldType ||
+ !params->fieldID->p.ptr) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR);
goto err;
- }
-
+ }
/* now extract the curve parameters a and b */
- if (!params->curve || !params->curve->a ||
+ if (!params->curve || !params->curve->a ||
!params->curve->a->data || !params->curve->b ||
- !params->curve->b->data)
- {
+ !params->curve->b->data) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR);
goto err;
- }
+ }
a = BN_bin2bn(params->curve->a->data, params->curve->a->length, NULL);
- if (a == NULL)
- {
+ if (a == NULL) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_BN_LIB);
goto err;
- }
+ }
b = BN_bin2bn(params->curve->b->data, params->curve->b->length, NULL);
- if (b == NULL)
- {
+ if (b == NULL) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_BN_LIB);
goto err;
- }
-
+ }
/* get the field parameters */
tmp = OBJ_obj2nid(params->fieldID->fieldType);
if (tmp == NID_X9_62_characteristic_two_field)
#ifdef OPENSSL_NO_EC2M
- {
+ {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_GF2M_NOT_SUPPORTED);
goto err;
- }
+ }
#else
- {
+ {
X9_62_CHARACTERISTIC_TWO *char_two;
char_two = params->fieldID->p.char_two;
field_bits = char_two->m;
- if (field_bits > OPENSSL_ECC_MAX_FIELD_BITS)
- {
+ if (field_bits > OPENSSL_ECC_MAX_FIELD_BITS) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_FIELD_TOO_LARGE);
goto err;
- }
-
- if ((p = BN_new()) == NULL)
- {
+ }
+ if ((p = BN_new()) == NULL) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_MALLOC_FAILURE);
goto err;
- }
-
+ }
/* get the base type */
tmp = OBJ_obj2nid(char_two->type);
- if (tmp == NID_X9_62_tpBasis)
- {
+ if (tmp == NID_X9_62_tpBasis) {
long tmp_long;
- if (!char_two->p.tpBasis)
- {
+ if (!char_two->p.tpBasis) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR);
goto err;
- }
-
+ }
tmp_long = ASN1_INTEGER_get(char_two->p.tpBasis);
- if (!(char_two->m > tmp_long && tmp_long > 0))
- {
+ if (!(char_two->m > tmp_long && tmp_long > 0)) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_INVALID_TRINOMIAL_BASIS);
goto err;
- }
-
+ }
/* create the polynomial */
- if (!BN_set_bit(p, (int)char_two->m))
+ if (!BN_set_bit(p, (int) char_two->m))
goto err;
- if (!BN_set_bit(p, (int)tmp_long))
+ if (!BN_set_bit(p, (int) tmp_long))
goto err;
if (!BN_set_bit(p, 0))
goto err;
- }
- else if (tmp == NID_X9_62_ppBasis)
- {
+ } else if (tmp == NID_X9_62_ppBasis) {
X9_62_PENTANOMIAL *penta;
penta = char_two->p.ppBasis;
- if (!penta)
- {
+ if (!penta) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR);
goto err;
- }
-
- if (!(char_two->m > penta->k3 && penta->k3 > penta->k2 && penta->k2 > penta->k1 && penta->k1 > 0))
- {
+ }
+ if (!(char_two->m > penta->k3 && penta->k3 > penta->k2 && penta->k2 > penta->k1 && penta->k1 > 0)) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_INVALID_PENTANOMIAL_BASIS);
goto err;
- }
-
- /* create the polynomial */
- if (!BN_set_bit(p, (int)char_two->m)) goto err;
- if (!BN_set_bit(p, (int)penta->k1)) goto err;
- if (!BN_set_bit(p, (int)penta->k2)) goto err;
- if (!BN_set_bit(p, (int)penta->k3)) goto err;
- if (!BN_set_bit(p, 0)) goto err;
}
- else if (tmp == NID_X9_62_onBasis)
- {
+ /* create the polynomial */
+ if (!BN_set_bit(p, (int) char_two->m))
+ goto err;
+ if (!BN_set_bit(p, (int) penta->k1))
+ goto err;
+ if (!BN_set_bit(p, (int) penta->k2))
+ goto err;
+ if (!BN_set_bit(p, (int) penta->k3))
+ goto err;
+ if (!BN_set_bit(p, 0))
+ goto err;
+ } else if (tmp == NID_X9_62_onBasis) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_NOT_IMPLEMENTED);
goto err;
- }
- else /* error */
- {
+ } else { /* error */
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR);
goto err;
- }
+ }
/* create the EC_GROUP structure */
ret = EC_GROUP_new_curve_GF2m(p, a, b, NULL);
- }
+ }
#endif
- else if (tmp == NID_X9_62_prime_field)
- {
+ else if (tmp == NID_X9_62_prime_field) {
/* we have a curve over a prime field */
/* extract the prime number */
- if (!params->fieldID->p.prime)
- {
+ if (!params->fieldID->p.prime) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR);
goto err;
- }
+ }
p = ASN1_INTEGER_to_BN(params->fieldID->p.prime, NULL);
- if (p == NULL)
- {
+ if (p == NULL) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_ASN1_LIB);
goto err;
- }
-
- if (BN_is_negative(p) || BN_is_zero(p))
- {
+ }
+ if (BN_is_negative(p) || BN_is_zero(p)) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_INVALID_FIELD);
goto err;
- }
-
+ }
field_bits = BN_num_bits(p);
- if (field_bits > OPENSSL_ECC_MAX_FIELD_BITS)
- {
+ if (field_bits > OPENSSL_ECC_MAX_FIELD_BITS) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_FIELD_TOO_LARGE);
goto err;
- }
-
+ }
/* create the EC_GROUP structure */
ret = EC_GROUP_new_curve_GFp(p, a, b, NULL);
- }
- else
- {
+ } else {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_INVALID_FIELD);
goto err;
- }
+ }
- if (ret == NULL)
- {
+ if (ret == NULL) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_EC_LIB);
goto err;
- }
-
+ }
/* extract seed (optional) */
- if (params->curve->seed != NULL)
- {
+ if (params->curve->seed != NULL) {
if (ret->seed != NULL)
free(ret->seed);
- if (!(ret->seed = malloc(params->curve->seed->length)))
- {
- ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP,
- ERR_R_MALLOC_FAILURE);
+ if (!(ret->seed = malloc(params->curve->seed->length))) {
+ ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP,
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
- memcpy(ret->seed, params->curve->seed->data,
- params->curve->seed->length);
- ret->seed_len = params->curve->seed->length;
}
-
- if (!params->order || !params->base || !params->base->data)
- {
+ memcpy(ret->seed, params->curve->seed->data,
+ params->curve->seed->length);
+ ret->seed_len = params->curve->seed->length;
+ }
+ if (!params->order || !params->base || !params->base->data) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR);
goto err;
- }
-
- if ((point = EC_POINT_new(ret)) == NULL) goto err;
+ }
+ if ((point = EC_POINT_new(ret)) == NULL)
+ goto err;
/* set the point conversion form */
EC_GROUP_set_point_conversion_form(ret, (point_conversion_form_t)
- (params->base->data[0] & ~0x01));
+ (params->base->data[0] & ~0x01));
/* extract the ec point */
- if (!EC_POINT_oct2point(ret, point, params->base->data,
- params->base->length, NULL))
- {
+ if (!EC_POINT_oct2point(ret, point, params->base->data,
+ params->base->length, NULL)) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_EC_LIB);
goto err;
- }
-
+ }
/* extract the order */
- if ((a = ASN1_INTEGER_to_BN(params->order, a)) == NULL)
- {
+ if ((a = ASN1_INTEGER_to_BN(params->order, a)) == NULL) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_ASN1_LIB);
goto err;
- }
- if (BN_is_negative(a) || BN_is_zero(a))
- {
+ }
+ if (BN_is_negative(a) || BN_is_zero(a)) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_INVALID_GROUP_ORDER);
goto err;
- }
- if (BN_num_bits(a) > (int)field_bits + 1) /* Hasse bound */
- {
+ }
+ if (BN_num_bits(a) > (int) field_bits + 1) { /* Hasse bound */
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_INVALID_GROUP_ORDER);
goto err;
- }
-
+ }
/* extract the cofactor (optional) */
- if (params->cofactor == NULL)
- {
- if (b)
- {
+ if (params->cofactor == NULL) {
+ if (b) {
BN_free(b);
b = NULL;
- }
}
- else
- if ((b = ASN1_INTEGER_to_BN(params->cofactor, b)) == NULL)
- {
- ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_ASN1_LIB);
- goto err;
- }
+ } else if ((b = ASN1_INTEGER_to_BN(params->cofactor, b)) == NULL) {
+ ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_ASN1_LIB);
+ goto err;
+ }
/* set the generator, order and cofactor (if present) */
- if (!EC_GROUP_set_generator(ret, point, a, b))
- {
+ if (!EC_GROUP_set_generator(ret, point, a, b)) {
ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, ERR_R_EC_LIB);
goto err;
- }
-
+ }
ok = 1;
-err: if (!ok)
- {
- if (ret)
+err: if (!ok) {
+ if (ret)
EC_GROUP_clear_free(ret);
ret = NULL;
- }
-
- if (p)
+ }
+ if (p)
BN_free(p);
- if (a)
+ if (a)
BN_free(a);
- if (b)
+ if (b)
BN_free(b);
- if (point)
+ if (point)
EC_POINT_free(point);
- return(ret);
+ return (ret);
}
-EC_GROUP *ec_asn1_pkparameters2group(const ECPKPARAMETERS *params)
- {
- EC_GROUP *ret=NULL;
- int tmp=0;
+EC_GROUP *
+ec_asn1_pkparameters2group(const ECPKPARAMETERS * params)
+{
+ EC_GROUP *ret = NULL;
+ int tmp = 0;
- if (params == NULL)
- {
- ECerr(EC_F_EC_ASN1_PKPARAMETERS2GROUP,
- EC_R_MISSING_PARAMETERS);
+ if (params == NULL) {
+ ECerr(EC_F_EC_ASN1_PKPARAMETERS2GROUP,
+ EC_R_MISSING_PARAMETERS);
return NULL;
- }
-
- if (params->type == 0)
- { /* the curve is given by an OID */
+ }
+ if (params->type == 0) {/* the curve is given by an OID */
tmp = OBJ_obj2nid(params->value.named_curve);
- if ((ret = EC_GROUP_new_by_curve_name(tmp)) == NULL)
- {
- ECerr(EC_F_EC_ASN1_PKPARAMETERS2GROUP,
- EC_R_EC_GROUP_NEW_BY_NAME_FAILURE);
+ if ((ret = EC_GROUP_new_by_curve_name(tmp)) == NULL) {
+ ECerr(EC_F_EC_ASN1_PKPARAMETERS2GROUP,
+ EC_R_EC_GROUP_NEW_BY_NAME_FAILURE);
return NULL;
- }
- EC_GROUP_set_asn1_flag(ret, OPENSSL_EC_NAMED_CURVE);
}
- else if (params->type == 1)
- { /* the parameters are given by a ECPARAMETERS
- * structure */
+ EC_GROUP_set_asn1_flag(ret, OPENSSL_EC_NAMED_CURVE);
+ } else if (params->type == 1) { /* the parameters are given by a
+ * ECPARAMETERS structure */
ret = ec_asn1_parameters2group(params->value.parameters);
- if (!ret)
- {
+ if (!ret) {
ECerr(EC_F_EC_ASN1_PKPARAMETERS2GROUP, ERR_R_EC_LIB);
return NULL;
- }
- EC_GROUP_set_asn1_flag(ret, 0x0);
}
- else if (params->type == 2)
- { /* implicitlyCA */
+ EC_GROUP_set_asn1_flag(ret, 0x0);
+ } else if (params->type == 2) { /* implicitlyCA */
return NULL;
- }
- else
- {
+ } else {
ECerr(EC_F_EC_ASN1_PKPARAMETERS2GROUP, EC_R_ASN1_ERROR);
return NULL;
- }
+ }
return ret;
- }
+}
/* EC_GROUP <-> DER encoding of ECPKPARAMETERS */
-EC_GROUP *d2i_ECPKParameters(EC_GROUP **a, const unsigned char **in, long len)
- {
- EC_GROUP *group = NULL;
- ECPKPARAMETERS *params = NULL;
+EC_GROUP *
+d2i_ECPKParameters(EC_GROUP ** a, const unsigned char **in, long len)
+{
+ EC_GROUP *group = NULL;
+ ECPKPARAMETERS *params = NULL;
- if ((params = d2i_ECPKPARAMETERS(NULL, in, len)) == NULL)
- {
+ if ((params = d2i_ECPKPARAMETERS(NULL, in, len)) == NULL) {
ECerr(EC_F_D2I_ECPKPARAMETERS, EC_R_D2I_ECPKPARAMETERS_FAILURE);
ECPKPARAMETERS_free(params);
return NULL;
- }
-
- if ((group = ec_asn1_pkparameters2group(params)) == NULL)
- {
+ }
+ if ((group = ec_asn1_pkparameters2group(params)) == NULL) {
ECerr(EC_F_D2I_ECPKPARAMETERS, EC_R_PKPARAMETERS2GROUP_FAILURE);
ECPKPARAMETERS_free(params);
- return NULL;
- }
-
-
+ return NULL;
+ }
if (a && *a)
EC_GROUP_clear_free(*a);
if (a)
*a = group;
ECPKPARAMETERS_free(params);
- return(group);
- }
+ return (group);
+}
-int i2d_ECPKParameters(const EC_GROUP *a, unsigned char **out)
- {
- int ret=0;
- ECPKPARAMETERS *tmp = ec_asn1_group2pkparameters(a, NULL);
- if (tmp == NULL)
- {
+int
+i2d_ECPKParameters(const EC_GROUP * a, unsigned char **out)
+{
+ int ret = 0;
+ ECPKPARAMETERS *tmp = ec_asn1_group2pkparameters(a, NULL);
+ if (tmp == NULL) {
ECerr(EC_F_I2D_ECPKPARAMETERS, EC_R_GROUP2PKPARAMETERS_FAILURE);
return 0;
- }
- if ((ret = i2d_ECPKPARAMETERS(tmp, out)) == 0)
- {
+ }
+ if ((ret = i2d_ECPKPARAMETERS(tmp, out)) == 0) {
ECerr(EC_F_I2D_ECPKPARAMETERS, EC_R_I2D_ECPKPARAMETERS_FAILURE);
ECPKPARAMETERS_free(tmp);
return 0;
- }
- ECPKPARAMETERS_free(tmp);
- return(ret);
}
+ ECPKPARAMETERS_free(tmp);
+ return (ret);
+}
/* some EC_KEY functions */
-EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len)
- {
- int ok=0;
- EC_KEY *ret=NULL;
- EC_PRIVATEKEY *priv_key=NULL;
+EC_KEY *
+d2i_ECPrivateKey(EC_KEY ** a, const unsigned char **in, long len)
+{
+ int ok = 0;
+ EC_KEY *ret = NULL;
+ EC_PRIVATEKEY *priv_key = NULL;
- if ((priv_key = EC_PRIVATEKEY_new()) == NULL)
- {
+ if ((priv_key = EC_PRIVATEKEY_new()) == NULL) {
ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_MALLOC_FAILURE);
return NULL;
- }
-
- if ((priv_key = d2i_EC_PRIVATEKEY(&priv_key, in, len)) == NULL)
- {
+ }
+ if ((priv_key = d2i_EC_PRIVATEKEY(&priv_key, in, len)) == NULL) {
ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB);
EC_PRIVATEKEY_free(priv_key);
return NULL;
- }
-
- if (a == NULL || *a == NULL)
- {
- if ((ret = EC_KEY_new()) == NULL)
- {
+ }
+ if (a == NULL || *a == NULL) {
+ if ((ret = EC_KEY_new()) == NULL) {
ECerr(EC_F_D2I_ECPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
+ }
if (a)
*a = ret;
- }
- else
+ } else
ret = *a;
- if (priv_key->parameters)
- {
+ if (priv_key->parameters) {
if (ret->group)
EC_GROUP_clear_free(ret->group);
ret->group = ec_asn1_pkparameters2group(priv_key->parameters);
- }
-
- if (ret->group == NULL)
- {
+ }
+ if (ret->group == NULL) {
ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
- }
-
+ }
ret->version = priv_key->version;
- if (priv_key->privateKey)
- {
+ if (priv_key->privateKey) {
ret->priv_key = BN_bin2bn(
- M_ASN1_STRING_data(priv_key->privateKey),
- M_ASN1_STRING_length(priv_key->privateKey),
- ret->priv_key);
- if (ret->priv_key == NULL)
- {
+ M_ASN1_STRING_data(priv_key->privateKey),
+ M_ASN1_STRING_length(priv_key->privateKey),
+ ret->priv_key);
+ if (ret->priv_key == NULL) {
ECerr(EC_F_D2I_ECPRIVATEKEY,
- ERR_R_BN_LIB);
+ ERR_R_BN_LIB);
goto err;
- }
}
- else
- {
- ECerr(EC_F_D2I_ECPRIVATEKEY,
- EC_R_MISSING_PRIVATE_KEY);
+ } else {
+ ECerr(EC_F_D2I_ECPRIVATEKEY,
+ EC_R_MISSING_PRIVATE_KEY);
goto err;
- }
+ }
- if (priv_key->publicKey)
- {
+ if (priv_key->publicKey) {
const unsigned char *pub_oct;
size_t pub_oct_len;
if (ret->pub_key)
EC_POINT_clear_free(ret->pub_key);
ret->pub_key = EC_POINT_new(ret->group);
- if (ret->pub_key == NULL)
- {
+ if (ret->pub_key == NULL) {
ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
- }
- pub_oct = M_ASN1_STRING_data(priv_key->publicKey);
+ }
+ pub_oct = M_ASN1_STRING_data(priv_key->publicKey);
pub_oct_len = M_ASN1_STRING_length(priv_key->publicKey);
/* save the point conversion form */
- ret->conv_form = (point_conversion_form_t)(pub_oct[0] & ~0x01);
+ ret->conv_form = (point_conversion_form_t) (pub_oct[0] & ~0x01);
if (!EC_POINT_oct2point(ret->group, ret->pub_key,
- pub_oct, pub_oct_len, NULL))
- {
+ pub_oct, pub_oct_len, NULL)) {
ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
- }
}
-
+ }
ok = 1;
err:
- if (!ok)
- {
+ if (!ok) {
if (ret)
EC_KEY_free(ret);
ret = NULL;
- }
-
+ }
if (priv_key)
EC_PRIVATEKEY_free(priv_key);
- return(ret);
- }
+ return (ret);
+}
-int i2d_ECPrivateKey(EC_KEY *a, unsigned char **out)
- {
- int ret=0, ok=0;
- unsigned char *buffer=NULL;
- size_t buf_len=0, tmp_len;
- EC_PRIVATEKEY *priv_key=NULL;
+int
+i2d_ECPrivateKey(EC_KEY * a, unsigned char **out)
+{
+ int ret = 0, ok = 0;
+ unsigned char *buffer = NULL;
+ size_t buf_len = 0, tmp_len;
+ EC_PRIVATEKEY *priv_key = NULL;
- if (a == NULL || a->group == NULL || a->priv_key == NULL)
- {
+ if (a == NULL || a->group == NULL || a->priv_key == NULL) {
ECerr(EC_F_I2D_ECPRIVATEKEY,
- ERR_R_PASSED_NULL_PARAMETER);
+ ERR_R_PASSED_NULL_PARAMETER);
goto err;
- }
-
- if ((priv_key = EC_PRIVATEKEY_new()) == NULL)
- {
+ }
+ if ((priv_key = EC_PRIVATEKEY_new()) == NULL) {
ECerr(EC_F_I2D_ECPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
-
+ }
priv_key->version = a->version;
- buf_len = (size_t)BN_num_bytes(a->priv_key);
+ buf_len = (size_t) BN_num_bytes(a->priv_key);
buffer = malloc(buf_len);
- if (buffer == NULL)
- {
+ if (buffer == NULL) {
ECerr(EC_F_I2D_ECPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
-
- if (!BN_bn2bin(a->priv_key, buffer))
- {
+ }
+ if (!BN_bn2bin(a->priv_key, buffer)) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_BN_LIB);
goto err;
- }
-
- if (!M_ASN1_OCTET_STRING_set(priv_key->privateKey, buffer, buf_len))
- {
+ }
+ if (!M_ASN1_OCTET_STRING_set(priv_key->privateKey, buffer, buf_len)) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_ASN1_LIB);
goto err;
- }
-
- if (!(a->enc_flag & EC_PKEY_NO_PARAMETERS))
- {
+ }
+ if (!(a->enc_flag & EC_PKEY_NO_PARAMETERS)) {
if ((priv_key->parameters = ec_asn1_group2pkparameters(
- a->group, priv_key->parameters)) == NULL)
- {
+ a->group, priv_key->parameters)) == NULL) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
- }
}
-
- if (!(a->enc_flag & EC_PKEY_NO_PUBKEY))
- {
+ }
+ if (!(a->enc_flag & EC_PKEY_NO_PUBKEY)) {
priv_key->publicKey = M_ASN1_BIT_STRING_new();
- if (priv_key->publicKey == NULL)
- {
+ if (priv_key->publicKey == NULL) {
ECerr(EC_F_I2D_ECPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
-
- tmp_len = EC_POINT_point2oct(a->group, a->pub_key,
- a->conv_form, NULL, 0, NULL);
+ }
+ tmp_len = EC_POINT_point2oct(a->group, a->pub_key,
+ a->conv_form, NULL, 0, NULL);
- if (tmp_len > buf_len)
- {
+ if (tmp_len > buf_len) {
unsigned char *tmp_buffer = realloc(buffer, tmp_len);
- if (!tmp_buffer)
- {
+ if (!tmp_buffer) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_MALLOC_FAILURE);
goto err;
- }
+ }
buffer = tmp_buffer;
buf_len = tmp_len;
- }
-
- if (!EC_POINT_point2oct(a->group, a->pub_key,
- a->conv_form, buffer, buf_len, NULL))
- {
+ }
+ if (!EC_POINT_point2oct(a->group, a->pub_key,
+ a->conv_form, buffer, buf_len, NULL)) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
- }
-
- priv_key->publicKey->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
+ }
+ priv_key->publicKey->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
priv_key->publicKey->flags |= ASN1_STRING_FLAG_BITS_LEFT;
- if (!M_ASN1_BIT_STRING_set(priv_key->publicKey, buffer,
- buf_len))
- {
+ if (!M_ASN1_BIT_STRING_set(priv_key->publicKey, buffer,
+ buf_len)) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_ASN1_LIB);
goto err;
- }
}
-
- if ((ret = i2d_EC_PRIVATEKEY(priv_key, out)) == 0)
- {
+ }
+ if ((ret = i2d_EC_PRIVATEKEY(priv_key, out)) == 0) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
- }
- ok=1;
+ }
+ ok = 1;
err:
if (buffer)
free(buffer);
if (priv_key)
EC_PRIVATEKEY_free(priv_key);
- return(ok?ret:0);
- }
+ return (ok ? ret : 0);
+}
-int i2d_ECParameters(EC_KEY *a, unsigned char **out)
- {
- if (a == NULL)
- {
+int
+i2d_ECParameters(EC_KEY * a, unsigned char **out)
+{
+ if (a == NULL) {
ECerr(EC_F_I2D_ECPARAMETERS, ERR_R_PASSED_NULL_PARAMETER);
return 0;
- }
- return i2d_ECPKParameters(a->group, out);
}
+ return i2d_ECPKParameters(a->group, out);
+}
-EC_KEY *d2i_ECParameters(EC_KEY **a, const unsigned char **in, long len)
- {
- EC_KEY *ret;
+EC_KEY *
+d2i_ECParameters(EC_KEY ** a, const unsigned char **in, long len)
+{
+ EC_KEY *ret;
- if (in == NULL || *in == NULL)
- {
+ if (in == NULL || *in == NULL) {
ECerr(EC_F_D2I_ECPARAMETERS, ERR_R_PASSED_NULL_PARAMETER);
return NULL;
- }
-
- if (a == NULL || *a == NULL)
- {
- if ((ret = EC_KEY_new()) == NULL)
- {
+ }
+ if (a == NULL || *a == NULL) {
+ if ((ret = EC_KEY_new()) == NULL) {
ECerr(EC_F_D2I_ECPARAMETERS, ERR_R_MALLOC_FAILURE);
return NULL;
- }
+ }
if (a)
*a = ret;
- }
- else
+ } else
ret = *a;
- if (!d2i_ECPKParameters(&ret->group, in, len))
- {
+ if (!d2i_ECPKParameters(&ret->group, in, len)) {
ECerr(EC_F_D2I_ECPARAMETERS, ERR_R_EC_LIB);
return NULL;
- }
-
- return ret;
}
+ return ret;
+}
-EC_KEY *o2i_ECPublicKey(EC_KEY **a, const unsigned char **in, long len)
- {
- EC_KEY *ret=NULL;
+EC_KEY *
+o2i_ECPublicKey(EC_KEY ** a, const unsigned char **in, long len)
+{
+ EC_KEY *ret = NULL;
- if (a == NULL || (*a) == NULL || (*a)->group == NULL)
- {
- /* sorry, but a EC_GROUP-structur is necessary
- * to set the public key */
+ if (a == NULL || (*a) == NULL || (*a)->group == NULL) {
+ /*
+ * sorry, but a EC_GROUP-structur is necessary to set the
+ * public key
+ */
ECerr(EC_F_O2I_ECPUBLICKEY, ERR_R_PASSED_NULL_PARAMETER);
return 0;
- }
+ }
ret = *a;
- if (ret->pub_key == NULL &&
- (ret->pub_key = EC_POINT_new(ret->group)) == NULL)
- {
+ if (ret->pub_key == NULL &&
+ (ret->pub_key = EC_POINT_new(ret->group)) == NULL) {
ECerr(EC_F_O2I_ECPUBLICKEY, ERR_R_MALLOC_FAILURE);
return 0;
- }
- if (!EC_POINT_oct2point(ret->group, ret->pub_key, *in, len, NULL))
- {
+ }
+ if (!EC_POINT_oct2point(ret->group, ret->pub_key, *in, len, NULL)) {
ECerr(EC_F_O2I_ECPUBLICKEY, ERR_R_EC_LIB);
return 0;
- }
+ }
/* save the point conversion form */
- ret->conv_form = (point_conversion_form_t)(*in[0] & ~0x01);
+ ret->conv_form = (point_conversion_form_t) (*in[0] & ~0x01);
*in += len;
return ret;
- }
+}
-int i2o_ECPublicKey(EC_KEY *a, unsigned char **out)
- {
- size_t buf_len=0;
+int
+i2o_ECPublicKey(EC_KEY * a, unsigned char **out)
+{
+ size_t buf_len = 0;
int new_buffer = 0;
- if (a == NULL)
- {
+ if (a == NULL) {
ECerr(EC_F_I2O_ECPUBLICKEY, ERR_R_PASSED_NULL_PARAMETER);
return 0;
- }
-
- buf_len = EC_POINT_point2oct(a->group, a->pub_key,
- a->conv_form, NULL, 0, NULL);
+ }
+ buf_len = EC_POINT_point2oct(a->group, a->pub_key,
+ a->conv_form, NULL, 0, NULL);
if (out == NULL || buf_len == 0)
- /* out == NULL => just return the length of the octet string */
+ /* out == NULL => just return the length of the octet string */
return buf_len;
- if (*out == NULL)
- {
- if ((*out = malloc(buf_len)) == NULL)
- {
+ if (*out == NULL) {
+ if ((*out = malloc(buf_len)) == NULL) {
ECerr(EC_F_I2O_ECPUBLICKEY, ERR_R_MALLOC_FAILURE);
return 0;
- }
- new_buffer = 1;
}
- if (!EC_POINT_point2oct(a->group, a->pub_key, a->conv_form,
- *out, buf_len, NULL))
- {
+ new_buffer = 1;
+ }
+ if (!EC_POINT_point2oct(a->group, a->pub_key, a->conv_form,
+ *out, buf_len, NULL)) {
ECerr(EC_F_I2O_ECPUBLICKEY, ERR_R_EC_LIB);
free(*out);
*out = NULL;
return 0;
- }
+ }
if (!new_buffer)
*out += buf_len;
return buf_len;
- }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 04:20:41 +0000