These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / crypto / chacha20.h

diff --git a/kernel/include/crypto/chacha20.h b/kernel/include/crypto/chacha20.h
new file mode 100644 (file)
index 0000000..274bbae
--- /dev/null
+++ b/kernel/include/crypto/chacha20.h
@@ -0,0 +1,25 @@
+/*
+ * Common values for the ChaCha20 algorithm
+ */
+
+#ifndef _CRYPTO_CHACHA20_H
+#define _CRYPTO_CHACHA20_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define CHACHA20_IV_SIZE       16
+#define CHACHA20_KEY_SIZE      32
+#define CHACHA20_BLOCK_SIZE    64
+
+struct chacha20_ctx {
+       u32 key[8];
+};
+
+void crypto_chacha20_init(u32 *state, struct chacha20_ctx *ctx, u8 *iv);
+int crypto_chacha20_setkey(struct crypto_tfm *tfm, const u8 *key,
+                          unsigned int keysize);
+int crypto_chacha20_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+                         struct scatterlist *src, unsigned int nbytes);
+
+#endif