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63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/* salsa20-internal.h
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The Salsa20 stream cipher.
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Copyright (C) 2012 Simon Josefsson
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Copyright (C) 2001 Niels Möller
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This file is part of GNU Nettle.
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GNU Nettle is free software: you can redistribute it and/or
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modify it under the terms of either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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or both in parallel, as here.
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GNU Nettle is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see http://www.gnu.org/licenses/.
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*/
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#ifndef NETTLE_SALSA20_INTERNAL_H_INCLUDED
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#define NETTLE_SALSA20_INTERNAL_H_INCLUDED
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#include "nettle-types.h"
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#include "salsa20.h"
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void
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_nettle_salsa20_core(uint32_t *dst, const uint32_t *src, unsigned rounds);
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void
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_nettle_salsa20_crypt(struct salsa20_ctx *ctx, unsigned rounds,
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size_t length, uint8_t *dst,
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const uint8_t *src);
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/* Functions available only in some configurations */
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void
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_nettle_salsa20_2core(uint32_t *dst, const uint32_t *src, unsigned rounds);
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void
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_nettle_salsa20_crypt_1core(struct salsa20_ctx *ctx, unsigned rounds,
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size_t length, uint8_t *dst,
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const uint8_t *src);
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void
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_nettle_salsa20_crypt_2core(struct salsa20_ctx *ctx, unsigned rounds,
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size_t length, uint8_t *dst,
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const uint8_t *src);
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#endif /* NETTLE_SALSA20_INTERNAL_H_INCLUDED */
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