1 files changed, 0 insertions, 29 deletions
diff --git a/crypto/ChaCha20/chacha20.c b/crypto/ChaCha20/chacha20.c
deleted file mode 100644
index 5bf7aa2..0000000
--- a/crypto/ChaCha20/chacha20.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include "chacha20.h"
-
-#define ROTL(a, b) (((a) << (b)) | ((a) >> (32 - (b))))
-#define QR(a, b, c, d)                                                         \
-	(a += b, d ^= a, d = ROTL(d, 16), c += d, b ^= c, b = ROTL(b, 12),     \
-	 a += b, d ^= a, d = ROTL(d, 8), c += d, b ^= c, b = ROTL(b, 7))
-#define ROUNDS 20
-
-void chacha_block(uint32_t out[16], uint32_t const in[16])
-{
-	int i;
-	uint32_t x[16];
-
-	for (i = 0; i < 16; ++i)
-		x[i] = in[i];
-	for (i = 0; i < ROUNDS; i += 2) {
-		QR(x[0], x[4], x[8], x[12]);
-		QR(x[1], x[5], x[9], x[13]);
-		QR(x[2], x[6], x[10], x[14]);
-		QR(x[3], x[7], x[11], x[15]);
-
-		QR(x[0], x[5], x[10], x[15]);
-		QR(x[1], x[6], x[11], x[12]);
-		QR(x[2], x[7], x[8], x[13]);
-		QR(x[3], x[4], x[9], x[14]);
-	}
-	for (i = 0; i < 16; ++i)
-		out[i] = x[i] + in[i];
-}