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authorWilliam Joye <wjoye@cfa.harvard.edu>2017-05-02 16:06:33 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2017-05-02 16:06:33 (GMT)
commit335ca9eb0d2337314cbbec5eb19f9aeea0eaaca7 (patch)
tree0a0e8d65ee114cb89f58c3159488dd5523123309 /openssl/crypto/ecdsa/ecs_locl.h
parenta90d8737b83a4a5bb2bf91a9bdf48a3dad4b51fa (diff)
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+/* crypto/ecdsa/ecs_locl.h */
+/*
+ * Written by Nils Larsch for the OpenSSL project
+ */
+/* ====================================================================
+ * Copyright (c) 2000-2005 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).
+ *
+ */
+
+#ifndef HEADER_ECS_LOCL_H
+# define HEADER_ECS_LOCL_H
+
+# include <openssl/ecdsa.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ecdsa_method {
+ const char *name;
+ ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char *dgst, int dgst_len,
+ const BIGNUM *inv, const BIGNUM *rp,
+ EC_KEY *eckey);
+ int (*ecdsa_sign_setup) (EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
+ BIGNUM **r);
+ int (*ecdsa_do_verify) (const unsigned char *dgst, int dgst_len,
+ const ECDSA_SIG *sig, EC_KEY *eckey);
+# if 0
+ int (*init) (EC_KEY *eckey);
+ int (*finish) (EC_KEY *eckey);
+# endif
+ int flags;
+ void *app_data;
+};
+
+/* The ECDSA_METHOD was allocated and can be freed */
+
+# define ECDSA_METHOD_FLAG_ALLOCATED 0x2
+
+/*
+ * If this flag is set the ECDSA method is FIPS compliant and can be used in
+ * FIPS mode. This is set in the validated module method. If an application
+ * sets this flag in its own methods it is its responsibility to ensure the
+ * result is compliant.
+ */
+
+# define ECDSA_FLAG_FIPS_METHOD 0x1
+
+typedef struct ecdsa_data_st {
+ /* EC_KEY_METH_DATA part */
+ int (*init) (EC_KEY *);
+ /* method (ECDSA) specific part */
+ ENGINE *engine;
+ int flags;
+ const ECDSA_METHOD *meth;
+ CRYPTO_EX_DATA ex_data;
+} ECDSA_DATA;
+
+/** ecdsa_check
+ * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure
+ * and if not it removes the old meth_data and creates a ECDSA_DATA structure.
+ * \param eckey pointer to a EC_KEY object
+ * \return pointer to a ECDSA_DATA structure
+ */
+ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HEADER_ECS_LOCL_H */