27 lines
726 B
C
27 lines
726 B
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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/**
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@file eax_addheader.c
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EAX implementation, add meta-data, by Tom St Denis
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*/
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#include "tomcrypt_private.h"
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#ifdef LTC_EAX_MODE
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/**
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add header (metadata) to the stream
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@param eax The current EAX state
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@param header The header (meta-data) data you wish to add to the state
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@param length The length of the header data
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@return CRYPT_OK if successful
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*/
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int eax_addheader(eax_state *eax, const unsigned char *header,
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unsigned long length)
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{
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LTC_ARGCHK(eax != NULL);
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LTC_ARGCHK(header != NULL);
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return omac_process(&eax->headeromac, header, length);
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}
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#endif
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