1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/crypto/ChaCha20/chacha20.h b/kernel/crypto/ChaCha20/chacha20.h
new file mode 100644
index 0000000..17532f3
--- /dev/null
+++ b/kernel/crypto/ChaCha20/chacha20.h
@@ -0,0 +1,15 @@
+#ifndef CHACHA20_H
+#define CHACHA20_H
+#include <stdint.h>
+
+#define KEY 4
+#define KEY_SIZE 8*sizeof(uint32_t)
+#define COUNT 12
+#define COUNT_SIZE sizeof(uint32_t)
+#define COUNT_MAX (0x100000000-1) // 2^32 - 1
+#define NONCE 13
+#define NONCE_SIZE 2*sizeof(uint32_t)
+#define BLOCK_SIZE 16*sizeof(uint32_t)
+
+void chacha_block(uint32_t out[16], uint32_t const in[16]);
+#endif