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encrypted FT works. Fixed last bugs in ftServer

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mr-alice 2016-10-30 15:11:22 +01:00
parent 34dcb410b4
commit def20a3f4c
3 changed files with 48 additions and 23 deletions
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5
libretroshare/src/crypto/chacha20.h
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@ -81,13 +81,16 @@ namespace librs
* \param nonce nonce. *Should be unique* in order to make chacha20 stream cipher unique.
* \param data data that is encrypted/decrypted in place
* \param data_size size of data to encrypt/authenticate
* \param aad additional authenticated data. Can be used to authenticate the nonce.
* \param aad_size
* \param tag 16 bytes authentication tag result
* \param encrypt true to encrypt, false to decrypt and check the tag.
* \return
* always true for encryption.
* authentication result for decryption. data is *always* xored to the cipher stream whatever the authentication result is.
*/
bool AEAD_chacha20_sha256(uint8_t key[32], uint8_t nonce[12],uint8_t *data,uint32_t data_size,uint8_t tag[16],bool encrypt);
bool AEAD_chacha20_sha256(uint8_t key[32], uint8_t nonce[12],uint8_t *data,uint32_t data_size,uint8_t *aad,uint32_t aad_size,uint8_t tag[16],bool encrypt_or_decrypt) ;
/*!
* \brief constant_time_memcmp
* Provides a constant time comparison of two memory chunks. Calls CRYPTO_memcmp.