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41 lines
982 B
C
41 lines
982 B
C
/* 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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/**
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@file ctr_decrypt.c
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CTR implementation, decrypt data, Tom St Denis
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*/
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#ifdef LTC_CTR_MODE
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/**
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CTR decrypt
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@param ct Ciphertext
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@param pt [out] Plaintext
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@param len Length of ciphertext (octets)
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@param ctr CTR state
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@return CRYPT_OK if successful
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*/
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int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr)
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{
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LTC_ARGCHK(pt != NULL);
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LTC_ARGCHK(ct != NULL);
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LTC_ARGCHK(ctr != NULL);
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return ctr_encrypt(ct, pt, len, ctr);
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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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