# endif
#endif
+#define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL)
+
+
+#define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1)
+
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
#define EC_F_I2D_ECPRIVATEKEY 192
#define EC_F_I2O_ECPUBLICKEY 151
#define EC_F_O2I_ECPUBLICKEY 152
+#define EC_F_PKEY_EC_CTRL 197
+#define EC_F_PKEY_EC_CTRL_STR 198
+#define EC_F_PKEY_EC_DERIVE 217
+#define EC_F_PKEY_EC_KEYGEN 199
+#define EC_F_PKEY_EC_PARAMGEN 219
+#define EC_F_PKEY_EC_SIGN 218
/* Reason codes. */
#define EC_R_ASN1_ERROR 115
#define EC_R_INVALID_ARGUMENT 112
#define EC_R_INVALID_COMPRESSED_POINT 110
#define EC_R_INVALID_COMPRESSION_BIT 109
+#define EC_R_INVALID_CURVE 132
+#define EC_R_INVALID_DIGEST_TYPE 138
#define EC_R_INVALID_ENCODING 102
#define EC_R_INVALID_FIELD 103
#define EC_R_INVALID_FORM 104
#define EC_R_INVALID_GROUP_ORDER 122
#define EC_R_INVALID_PRIVATE_KEY 123
+#define EC_R_KEYS_NOT_SET 140
#define EC_R_MISSING_PARAMETERS 124
#define EC_R_MISSING_PRIVATE_KEY 125
#define EC_R_NOT_A_NIST_PRIME 135
#define EC_R_NOT_IMPLEMENTED 126
#define EC_R_NOT_INITIALIZED 111
#define EC_R_NO_FIELD_MOD 133
+#define EC_R_NO_PARAMETERS_SET 139
#define EC_R_PASSED_NULL_PARAMETER 134
#define EC_R_PKPARAMETERS2GROUP_FAILURE 127
#define EC_R_POINT_AT_INFINITY 106
{ERR_FUNC(EC_F_I2D_ECPRIVATEKEY), "i2d_ECPrivateKey"},
{ERR_FUNC(EC_F_I2O_ECPUBLICKEY), "i2o_ECPublicKey"},
{ERR_FUNC(EC_F_O2I_ECPUBLICKEY), "o2i_ECPublicKey"},
+{ERR_FUNC(EC_F_PKEY_EC_CTRL), "PKEY_EC_CTRL"},
+{ERR_FUNC(EC_F_PKEY_EC_CTRL_STR), "PKEY_EC_CTRL_STR"},
+{ERR_FUNC(EC_F_PKEY_EC_DERIVE), "PKEY_EC_DERIVE"},
+{ERR_FUNC(EC_F_PKEY_EC_KEYGEN), "PKEY_EC_KEYGEN"},
+{ERR_FUNC(EC_F_PKEY_EC_PARAMGEN), "PKEY_EC_PARAMGEN"},
+{ERR_FUNC(EC_F_PKEY_EC_SIGN), "PKEY_EC_SIGN"},
{0,NULL}
};
{ERR_REASON(EC_R_INVALID_ARGUMENT) ,"invalid argument"},
{ERR_REASON(EC_R_INVALID_COMPRESSED_POINT),"invalid compressed point"},
{ERR_REASON(EC_R_INVALID_COMPRESSION_BIT),"invalid compression bit"},
+{ERR_REASON(EC_R_INVALID_CURVE) ,"invalid curve"},
+{ERR_REASON(EC_R_INVALID_DIGEST_TYPE) ,"invalid digest type"},
{ERR_REASON(EC_R_INVALID_ENCODING) ,"invalid encoding"},
{ERR_REASON(EC_R_INVALID_FIELD) ,"invalid field"},
{ERR_REASON(EC_R_INVALID_FORM) ,"invalid form"},
{ERR_REASON(EC_R_INVALID_GROUP_ORDER) ,"invalid group order"},
{ERR_REASON(EC_R_INVALID_PRIVATE_KEY) ,"invalid private key"},
+{ERR_REASON(EC_R_KEYS_NOT_SET) ,"keys not set"},
{ERR_REASON(EC_R_MISSING_PARAMETERS) ,"missing parameters"},
{ERR_REASON(EC_R_MISSING_PRIVATE_KEY) ,"missing private key"},
{ERR_REASON(EC_R_NOT_A_NIST_PRIME) ,"not a NIST prime"},
{ERR_REASON(EC_R_NOT_IMPLEMENTED) ,"not implemented"},
{ERR_REASON(EC_R_NOT_INITIALIZED) ,"not initialized"},
{ERR_REASON(EC_R_NO_FIELD_MOD) ,"no field mod"},
+{ERR_REASON(EC_R_NO_PARAMETERS_SET) ,"no parameters set"},
{ERR_REASON(EC_R_PASSED_NULL_PARAMETER) ,"passed null parameter"},
{ERR_REASON(EC_R_PKPARAMETERS2GROUP_FAILURE),"pkparameters2group failure"},
{ERR_REASON(EC_R_POINT_AT_INFINITY) ,"point at infinity"},
--- /dev/null
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 2006.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * 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
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/ec.h>
+#include <openssl/ecdsa.h>
+#include <openssl/evp.h>
+#include "evp_locl.h"
+
+/* EC pkey context structure */
+
+typedef struct
+ {
+ /* Key and paramgen group */
+ EC_GROUP *gen_group;
+ /* message digest */
+ const EVP_MD *md;
+ } EC_PKEY_CTX;
+
+static int pkey_ec_init(EVP_PKEY_CTX *ctx)
+ {
+ EC_PKEY_CTX *dctx;
+ dctx = OPENSSL_malloc(sizeof(EC_PKEY_CTX));
+ if (!dctx)
+ return 0;
+ dctx->gen_group = NULL;
+ dctx->md = NULL;
+
+ ctx->data = dctx;
+
+ return 1;
+ }
+
+static void pkey_ec_cleanup(EVP_PKEY_CTX *ctx)
+ {
+ EC_PKEY_CTX *dctx = ctx->data;
+ if (dctx)
+ {
+ if (dctx->gen_group)
+ EC_GROUP_free(dctx->gen_group);
+ OPENSSL_free(dctx);
+ }
+ }
+
+static int pkey_ec_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
+ const unsigned char *tbs, int tbslen)
+ {
+ int ret, type;
+ unsigned int sltmp;
+ EC_PKEY_CTX *dctx = ctx->data;
+ EC_KEY *ec = ctx->pkey->pkey.ec;
+
+ if (!sig)
+ {
+ *siglen = ECDSA_size(ec);
+ return 1;
+ }
+ else if(*siglen < ECDSA_size(ec))
+ {
+ ECerr(EC_F_PKEY_EC_SIGN, EC_R_BUFFER_TOO_SMALL);
+ return 0;
+ }
+
+ if (dctx->md)
+ type = EVP_MD_type(dctx->md);
+ else
+ type = NID_sha1;
+
+
+ ret = ECDSA_sign(type, tbs, tbslen, sig, &sltmp, ec);
+
+ if (ret < 0)
+ return ret;
+ *siglen = sltmp;
+ return 1;
+ }
+
+static int pkey_ec_verify(EVP_PKEY_CTX *ctx,
+ const unsigned char *sig, int siglen,
+ const unsigned char *tbs, int tbslen)
+ {
+ int ret, type;
+ EC_PKEY_CTX *dctx = ctx->data;
+ EC_KEY *ec = ctx->pkey->pkey.ec;
+
+ if (dctx->md)
+ type = EVP_MD_type(dctx->md);
+ else
+ type = NID_sha1;
+
+ ret = ECDSA_verify(type, tbs, tbslen, sig, siglen, ec);
+
+ return ret;
+ }
+
+static int pkey_ec_derive(EVP_PKEY_CTX *ctx, unsigned char *key, int *keylen)
+ {
+ int ret;
+ size_t outlen;
+ const EC_POINT *pubkey = NULL;
+ if (!ctx->pkey || !ctx->peerkey)
+ {
+ ECerr(EC_F_PKEY_EC_DERIVE, EC_R_KEYS_NOT_SET);
+ return 0;
+ }
+
+ if (!key)
+ {
+ const EC_GROUP *group;
+ group = EC_KEY_get0_group(ctx->pkey->pkey.ec);
+ *keylen = (EC_GROUP_get_degree(group) + 7)/8;
+ return 1;
+ }
+
+ pubkey = EC_KEY_get0_public_key(ctx->peerkey->pkey.ec);
+
+ /* NB: unlike PKS#3 DH, if *outlen is less than maximum size this is
+ * not an error, the result is truncated.
+ */
+
+ outlen = *keylen;
+
+ ret = ECDH_compute_key(key, outlen, pubkey, ctx->pkey->pkey.ec, 0);
+ if (ret < 0)
+ return ret;
+ *keylen = ret;
+ return 1;
+ }
+
+static int pkey_ec_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+ {
+ EC_PKEY_CTX *dctx = ctx->data;
+ EC_GROUP *group;
+ switch (type)
+ {
+ case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
+ group = EC_GROUP_new_by_curve_name(p1);
+ if (group == NULL)
+ {
+ ECerr(EC_F_PKEY_EC_CTRL, EC_R_INVALID_CURVE);
+ return 0;
+ }
+ if (dctx->gen_group)
+ EC_GROUP_free(dctx->gen_group);
+ dctx->gen_group = group;
+ return 1;
+
+ case EVP_PKEY_CTRL_MD:
+ if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1)
+ {
+ ECerr(EC_F_PKEY_EC_CTRL, EC_R_INVALID_DIGEST_TYPE);
+ return 0;
+ }
+ dctx->md = p2;
+ return 1;
+
+ case EVP_PKEY_CTRL_PEER_KEY:
+ /* Default behaviour is OK */
+ return 1;
+
+ default:
+ return -2;
+
+ }
+ }
+
+static int pkey_ec_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
+ {
+ if (!strcmp(type, "ec_paramgen_curve"))
+ {
+ int nid;
+ nid = OBJ_sn2nid(value);
+ if (nid == NID_undef)
+ nid = OBJ_ln2nid(value);
+ if (nid == NID_undef)
+ {
+ ECerr(EC_F_PKEY_EC_CTRL_STR, EC_R_INVALID_CURVE);
+ return 0;
+ }
+ return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid);
+ }
+ return -2;
+ }
+
+static int pkey_ec_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+ {
+ EC_KEY *ec = NULL;
+ EC_PKEY_CTX *dctx = ctx->data;
+ int ret = 0;
+ if (dctx->gen_group == NULL)
+ {
+ ECerr(EC_F_PKEY_EC_PARAMGEN, EC_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+ ec = EC_KEY_new();
+ if (!ec)
+ return 0;
+ ret = EC_KEY_set_group(ec, dctx->gen_group);
+ if (ret)
+ EVP_PKEY_assign_EC_KEY(pkey, ec);
+ else
+ EC_KEY_free(ec);
+ return ret;
+ }
+
+static int pkey_ec_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+ {
+ EC_KEY *ec = NULL;
+ if (ctx->pkey == NULL)
+ {
+ ECerr(EC_F_PKEY_EC_KEYGEN, EC_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+ ec = EC_KEY_new();
+ if (!ec)
+ return 0;
+ EVP_PKEY_assign_EC_KEY(pkey, ec);
+ /* Note: if error return, pkey is freed by parent routine */
+ if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
+ return 0;
+ return EC_KEY_generate_key(pkey->pkey.ec);
+ }
+
+const EVP_PKEY_METHOD ec_pkey_meth =
+ {
+ EVP_PKEY_EC,
+ 0,
+ pkey_ec_init,
+ pkey_ec_cleanup,
+
+ 0,
+ pkey_ec_paramgen,
+
+ 0,
+ pkey_ec_keygen,
+
+ 0,
+ pkey_ec_sign,
+
+ 0,
+ pkey_ec_verify,
+
+ 0,0,
+
+ 0,0,0,0,
+
+ 0,0,
+
+ 0,0,
+
+ 0,
+ pkey_ec_derive,
+
+ pkey_ec_ctrl,
+ pkey_ec_ctrl_str
+
+ };
projects / openssl.git / commitdiff