1 files changed, 27 insertions, 0 deletions
diff --git a/include/crypto/punycode.h b/include/crypto/punycode.h
new file mode 100644
index 0000000000..4c6e49f516
--- /dev/null
+++ b/include/crypto/punycode.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef OSSL_CRYPTO_PUNYCODE_H
+# define OSSL_CRYPTO_PUNYCODE_H
+# pragma once
+
+# include <stddef.h>     /* for size_t */
+
+int ossl_punycode_decode (
+    const char *pEncoded,
+    const size_t enc_len,
+    unsigned int *pDecoded,
+    unsigned int *pout_length
+);
+
+int ossl_a2ulabel(const char *in, char *out, size_t outlen);
+
+int ossl_a2ucompare(const char *a, const char *u);
+
+#endif