X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=libtomcrypt%2Fsrc%2Fencauth%2Fchachapoly%2Fchacha20poly1305_init.c;fp=libtomcrypt%2Fsrc%2Fencauth%2Fchachapoly%2Fchacha20poly1305_init.c;h=2799e98a2bcd0648984db3e204db3a4280fcba93;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage

diff --git a/libtomcrypt/src/encauth/chachapoly/chacha20poly1305_init.c b/libtomcrypt/src/encauth/chachapoly/chacha20poly1305_init.c
new file mode 100644
index 0000000..2799e98
--- /dev/null
+++ b/libtomcrypt/src/encauth/chachapoly/chacha20poly1305_init.c
@@ -0,0 +1,30 @@
+/* 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: $Format:%ai$ */