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diff --git a/modules/md/md_jws.h b/modules/md/md_jws.h
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef mod_md_md_jws_h
+#define mod_md_md_jws_h
+
+struct apr_table_t;
+struct md_json_t;
+struct md_pkey_t;
+struct md_data_t;
+
+/**
+ * Get the JSON value of the 'jwk' field for the given key.
+ */
+apr_status_t md_jws_get_jwk(md_json_t **pjwk, apr_pool_t *p, struct md_pkey_t *pkey);
+
+/**
+ * Get the JWS key signed JSON message with given payload and protected fields, signed
+ * using the given key and optional key_id.
+ */
+apr_status_t md_jws_sign(md_json_t **pmsg, apr_pool_t *p,
+                         struct md_data_t *payload, md_json_t *prot_fields,
+                         struct md_pkey_t *pkey, const char *key_id);
+/**
+ * Get the 'Thumbprint' as defined in RFC8555 for the given key in
+ * base64 encoding.
+ */
+apr_status_t md_jws_pkey_thumb(const char **pthumb64, apr_pool_t *p, struct md_pkey_t *pkey);
+
+/**
+ * Get the JWS HS256 signed message for given payload and protected fields,
+ * using the base64 encoded MAC key.
+ */
+apr_status_t md_jws_hmac(md_json_t **pmsg, apr_pool_t *p,
+                         struct md_data_t *payload, md_json_t *prot_fields,
+                         const struct md_data_t *hmac_key);
+
+
+#endif /* md_jws_h */