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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-09-30 02:28:52 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-09-30 02:28:52 +0300
commit8f697e574012cc73b6b0dcbf30d88a3a0f43b78f (patch)
treea6b16bcf33ad08e03837b61eed2fffb31118f1f3 /include/crypto/chacha20.h
parent221bcb24c6530be17468fdcdbf91299aba32a693 (diff)
parent9ffecb10283508260936b96022d4ee43a7798b4c (diff)
downloadlinux-8f697e574012cc73b6b0dcbf30d88a3a0f43b78f.tar.xz
Merge tag 'v4.3-rc3' into next
Merge with Linux 4.3-rc3 to bring in MFD DA9062 changes to merge DA9062 OnKey driver.
Diffstat (limited to 'include/crypto/chacha20.h')
-rw-r--r--include/crypto/chacha20.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/crypto/chacha20.h b/include/crypto/chacha20.h
new file mode 100644
index 000000000000..274bbaeeed0f
--- /dev/null
+++ b/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