Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h
new file mode 100644
index 0000000..b471dea
--- /dev/null
+++ b/include/crypto/blake2s.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#ifndef BLAKE2S_H
+#define BLAKE2S_H
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+#include <asm/bug.h>
+
+enum blake2s_lengths {
+ BLAKE2S_BLOCK_SIZE = 64,
+ BLAKE2S_HASH_SIZE = 32,
+ BLAKE2S_KEY_SIZE = 32,
+
+ BLAKE2S_128_HASH_SIZE = 16,
+ BLAKE2S_160_HASH_SIZE = 20,
+ BLAKE2S_224_HASH_SIZE = 28,
+ BLAKE2S_256_HASH_SIZE = 32,
+};
+
+struct blake2s_state {
+ u32 h[8];
+ u32 t[2];
+ u32 f[2];
+ u8 buf[BLAKE2S_BLOCK_SIZE];
+ unsigned int buflen;
+ unsigned int outlen;
+};
+
+enum blake2s_iv {
+ BLAKE2S_IV0 = 0x6A09E667UL,
+ BLAKE2S_IV1 = 0xBB67AE85UL,
+ BLAKE2S_IV2 = 0x3C6EF372UL,
+ BLAKE2S_IV3 = 0xA54FF53AUL,
+ BLAKE2S_IV4 = 0x510E527FUL,
+ BLAKE2S_IV5 = 0x9B05688CUL,
+ BLAKE2S_IV6 = 0x1F83D9ABUL,
+ BLAKE2S_IV7 = 0x5BE0CD19UL,
+};
+
+void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen);
+void blake2s_final(struct blake2s_state *state, u8 *out);
+
+static inline void blake2s_init_param(struct blake2s_state *state,
+ const u32 param)
+{
+ *state = (struct blake2s_state){{
+ BLAKE2S_IV0 ^ param,
+ BLAKE2S_IV1,
+ BLAKE2S_IV2,
+ BLAKE2S_IV3,
+ BLAKE2S_IV4,
+ BLAKE2S_IV5,
+ BLAKE2S_IV6,
+ BLAKE2S_IV7,
+ }};
+}
+
+static inline void blake2s_init(struct blake2s_state *state,
+ const size_t outlen)
+{
+ blake2s_init_param(state, 0x01010000 | outlen);
+ state->outlen = outlen;
+}
+
+static inline void blake2s_init_key(struct blake2s_state *state,
+ const size_t outlen, const void *key,
+ const size_t keylen)
+{
+ WARN_ON(IS_ENABLED(DEBUG) && (!outlen || outlen > BLAKE2S_HASH_SIZE ||
+ !key || !keylen || keylen > BLAKE2S_KEY_SIZE));
+
+ blake2s_init_param(state, 0x01010000 | keylen << 8 | outlen);
+ memcpy(state->buf, key, keylen);
+ state->buflen = BLAKE2S_BLOCK_SIZE;
+ state->outlen = outlen;
+}
+
+static inline void blake2s(u8 *out, const u8 *in, const u8 *key,
+ const size_t outlen, const size_t inlen,
+ const size_t keylen)
+{
+ struct blake2s_state state;
+
+ WARN_ON(IS_ENABLED(DEBUG) && ((!in && inlen > 0) || !out || !outlen ||
+ outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE ||
+ (!key && keylen)));
+
+ if (keylen)
+ blake2s_init_key(&state, outlen, key, keylen);
+ else
+ blake2s_init(&state, outlen);
+
+ blake2s_update(&state, in, inlen);
+ blake2s_final(&state, out);
+}
+
+void blake2s256_hmac(u8 *out, const u8 *in, const u8 *key, const size_t inlen,
+ const size_t keylen);
+
+#endif /* BLAKE2S_H */