check in v3.8.1 source

crypto/evp/m_gost2814789.c

@@ -0,0 +1,113 @@
+/* $OpenBSD: m_gost2814789.c,v 1.6 2023/07/07 19:37:53 beck Exp $ */
+/*
+ * Copyright (c) 2014 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ * Copyright (c) 2005-2006 Cryptocom LTD
+ *
+ * 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
+ *    openssl-core@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.
+ * ====================================================================
+ */
+
+#include <openssl/opensslconf.h>
+
+#ifndef OPENSSL_NO_GOST
+
+#include <openssl/evp.h>
+#include <openssl/gost.h>
+#include <openssl/objects.h>
+
+#include "evp_local.h"
+
+static int
+gost2814789_init(EVP_MD_CTX *ctx)
+{
+	return GOST2814789IMIT_Init(ctx->md_data,
+	    NID_id_Gost28147_89_CryptoPro_A_ParamSet);
+}
+
+static int
+gost2814789_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+	return GOST2814789IMIT_Update(ctx->md_data, data, count);
+}
+
+static int
+gost2814789_final(EVP_MD_CTX *ctx, unsigned char *md)
+{
+	return GOST2814789IMIT_Final(md, ctx->md_data);
+}
+
+static int
+gost2814789_md_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2)
+{
+	GOST2814789IMIT_CTX *gctx = ctx->md_data;
+
+	switch (cmd) {
+	case EVP_MD_CTRL_SET_KEY:
+		return Gost2814789_set_key(&gctx->cipher, p2, p1);
+	case EVP_MD_CTRL_GOST_SET_SBOX:
+		return Gost2814789_set_sbox(&gctx->cipher, p1);
+	}
+	return -2;
+}
+
+static const EVP_MD gost2814789imit_md = {
+	.type = NID_id_Gost28147_89_MAC,
+	.pkey_type = NID_undef,
+	.md_size = GOST2814789IMIT_LENGTH,
+	.flags = 0,
+	.init = gost2814789_init,
+	.update = gost2814789_update,
+	.final = gost2814789_final,
+	.block_size = GOST2814789IMIT_CBLOCK,
+	.ctx_size = sizeof(EVP_MD *) + sizeof(GOST2814789IMIT_CTX),
+	.md_ctrl = gost2814789_md_ctrl,
+};
+
+const EVP_MD *
+EVP_gost2814789imit(void)
+{
+	return (&gost2814789imit_md);
+}
+#endif