diff options
Diffstat (limited to 'NorthstarDLL/include/crypto/chacha.h')
-rw-r--r-- | NorthstarDLL/include/crypto/chacha.h | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/NorthstarDLL/include/crypto/chacha.h b/NorthstarDLL/include/crypto/chacha.h index 8de07aa0..d29998ff 100644 --- a/NorthstarDLL/include/crypto/chacha.h +++ b/NorthstarDLL/include/crypto/chacha.h @@ -1,43 +1,43 @@ -/*
- * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#ifndef OSSL_CRYPTO_CHACHA_H
-#define OSSL_CRYPTO_CHACHA_H
-# pragma once
-
-#include <stddef.h>
-
-/*
- * ChaCha20_ctr32 encrypts |len| bytes from |inp| with the given key and
- * nonce and writes the result to |out|, which may be equal to |inp|.
- * The |key| is not 32 bytes of verbatim key material though, but the
- * said material collected into 8 32-bit elements array in host byte
- * order. Same approach applies to nonce: the |counter| argument is
- * pointer to concatenated nonce and counter values collected into 4
- * 32-bit elements. This, passing crypto material collected into 32-bit
- * elements as opposite to passing verbatim byte vectors, is chosen for
- * efficiency in multi-call scenarios.
- */
-void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp,
- size_t len, const unsigned int key[8],
- const unsigned int counter[4]);
-/*
- * You can notice that there is no key setup procedure. Because it's
- * as trivial as collecting bytes into 32-bit elements, it's reckoned
- * that below macro is sufficient.
- */
-#define CHACHA_U8TOU32(p) ( \
- ((unsigned int)(p)[0]) | ((unsigned int)(p)[1]<<8) | \
- ((unsigned int)(p)[2]<<16) | ((unsigned int)(p)[3]<<24) )
-
-#define CHACHA_KEY_SIZE 32
-#define CHACHA_CTR_SIZE 16
-#define CHACHA_BLK_SIZE 64
-
-#endif
+/* + * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#ifndef OSSL_CRYPTO_CHACHA_H +#define OSSL_CRYPTO_CHACHA_H +# pragma once + +#include <stddef.h> + +/* + * ChaCha20_ctr32 encrypts |len| bytes from |inp| with the given key and + * nonce and writes the result to |out|, which may be equal to |inp|. + * The |key| is not 32 bytes of verbatim key material though, but the + * said material collected into 8 32-bit elements array in host byte + * order. Same approach applies to nonce: the |counter| argument is + * pointer to concatenated nonce and counter values collected into 4 + * 32-bit elements. This, passing crypto material collected into 32-bit + * elements as opposite to passing verbatim byte vectors, is chosen for + * efficiency in multi-call scenarios. + */ +void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp, + size_t len, const unsigned int key[8], + const unsigned int counter[4]); +/* + * You can notice that there is no key setup procedure. Because it's + * as trivial as collecting bytes into 32-bit elements, it's reckoned + * that below macro is sufficient. + */ +#define CHACHA_U8TOU32(p) ( \ + ((unsigned int)(p)[0]) | ((unsigned int)(p)[1]<<8) | \ + ((unsigned int)(p)[2]<<16) | ((unsigned int)(p)[3]<<24) ) + +#define CHACHA_KEY_SIZE 32 +#define CHACHA_CTR_SIZE 16 +#define CHACHA_BLK_SIZE 64 + +#endif |