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30
thirdparty/libtomcrypt/encauth/chachapoly/chacha20poly1305_init.c
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30
thirdparty/libtomcrypt/encauth/chachapoly/chacha20poly1305_init.c
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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#ifdef LTC_CHACHA20POLY1305_MODE
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/**
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Initialize an ChaCha20Poly1305 context (only the key)
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@param st [out] The destination of the ChaCha20Poly1305 state
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@param key The secret key
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@param keylen The length of the secret key (octets)
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@return CRYPT_OK if successful
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*/
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int chacha20poly1305_init(chacha20poly1305_state *st, const unsigned char *key, unsigned long keylen)
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{
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return chacha_setup(&st->chacha, key, keylen, 20);
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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