--- /dev/null
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ */
+
+#include "tomcrypt.h"
+
+#ifdef LTC_CHACHA20POLY1305_MODE
+
+/**
+ Initialize an ChaCha20Poly1305 context (only the key)
+ @param st [out] The destination of the ChaCha20Poly1305 state
+ @param key The secret key
+ @param keylen The length of the secret key (octets)
+ @return CRYPT_OK if successful
+*/
+int chacha20poly1305_init(chacha20poly1305_state *st, const unsigned char *key, unsigned long keylen)
+{
+ return chacha_setup(&st->chacha, key, keylen, 20);
+}
+
+#endif
+
+/* ref: $Format:%D$ */
+/* git commit: $Format:%H$ */
+/* commit time: $Format:%ai$ */