1 files changed, 87 insertions, 0 deletions
diff --git a/lib/isc/include/isc/hmacmd5.h b/lib/isc/include/isc/hmacmd5.h
new file mode 100644
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--- /dev/null
+++ b/lib/isc/include/isc/hmacmd5.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+
+/*! \file isc/hmacmd5.h
+ * \brief This is the header file for the HMAC-MD5 keyed hash algorithm
+ * described in RFC2104.
+ */
+
+#ifndef ISC_HMACMD5_H
+#define ISC_HMACMD5_H 1
+
+#include <pk11/site.h>
+
+#ifndef PK11_MD5_DISABLE
+
+#include <stdbool.h>
+
+#include <isc/lang.h>
+#include <isc/md5.h>
+#include <isc/platform.h>
+#include <isc/types.h>
+
+#define ISC_HMACMD5_KEYLENGTH 64
+
+#ifdef ISC_PLATFORM_OPENSSLHASH
+#include <openssl/opensslv.h>
+#include <openssl/hmac.h>
+
+typedef struct {
+	HMAC_CTX *ctx;
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+	HMAC_CTX _ctx;
+#endif
+} isc_hmacmd5_t;
+
+#elif PKCS11CRYPTO
+#include <pk11/pk11.h>
+
+typedef pk11_context_t isc_hmacmd5_t;
+
+#else
+
+typedef struct {
+	isc_md5_t md5ctx;
+	unsigned char key[ISC_HMACMD5_KEYLENGTH];
+} isc_hmacmd5_t;
+#endif
+
+ISC_LANG_BEGINDECLS
+
+void
+isc_hmacmd5_init(isc_hmacmd5_t *ctx, const unsigned char *key,
+		 unsigned int len);
+
+void
+isc_hmacmd5_invalidate(isc_hmacmd5_t *ctx);
+
+void
+isc_hmacmd5_update(isc_hmacmd5_t *ctx, const unsigned char *buf,
+		   unsigned int len);
+
+void
+isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest);
+
+bool
+isc_hmacmd5_verify(isc_hmacmd5_t *ctx, unsigned char *digest);
+
+bool
+isc_hmacmd5_verify2(isc_hmacmd5_t *ctx, unsigned char *digest, size_t len);
+
+bool
+isc_hmacmd5_check(int testing);
+
+ISC_LANG_ENDDECLS
+
+#endif /* !PK11_MD5_DISABLE */
+
+#endif /* ISC_HMACMD5_H */