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Diffstat (limited to 'crypto/include/internal/chacha.h')
| -rw-r--r-- | crypto/include/internal/chacha.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/crypto/include/internal/chacha.h b/crypto/include/internal/chacha.h deleted file mode 100644 index 67243f2228016..0000000000000 --- a/crypto/include/internal/chacha.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. - * - * Licensed under the OpenSSL license (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 HEADER_CHACHA_H -#define HEADER_CHACHA_H - -#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 |