import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

security/nss/lib/freebl/pqg.h

@@ -0,0 +1,25 @@
+/* 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/. */
+
+/*
+ *  pqg.h
+ *
+ *  header file for pqg functions exported just to freebl
+ */
+
+#ifndef _PQG_H_
+#define _PQG_H_ 1
+
+/* PQG_GetLength returns the significant bytes in the SECItem object (that is
+ * the length of the object minus any leading zeros. Any SECItem may be used,
+ * though this function is usually used for P, Q, or G values */
+unsigned int PQG_GetLength(const SECItem *obj);
+/* Check to see the PQG parameters patch a NIST defined DSA size,
+ * returns SECFaillure and sets SEC_ERROR_INVALID_ARGS if it doesn't.
+ * See blapi.h for legal DSA PQG sizes. */
+SECStatus PQG_Check(const PQGParams *params);
+/* Return the prefered hash algorithm for the given PQGParameters. */
+HASH_HashType PQG_GetHashType(const PQGParams *params);
+
+#endif /* _PQG_H_ */