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Replace ZEROBYTES - BOXZEROBYTES with MACBYTES

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This commit is contained in:
Nick ODell 2013-08-02 16:35:41 -06:00
parent 8d1f7753f6
commit 9c039cfd2a
1 changed files with 3 additions and 3 deletions
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6
core/net_crypto.c
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@ -66,7 +66,7 @@ static int incoming_connections[MAX_INCOMING];
int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
uint8_t *plain, uint32_t length, uint8_t *encrypted)
{
if (length - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES > MAX_DATA_SIZE || length == 0)
if (length + crypto_box_MACBYTES > MAX_DATA_SIZE || length == 0)
return -1;
uint8_t temp_plain[MAX_DATA_SIZE + crypto_box_BOXZEROBYTES] = {0};
@ -87,7 +87,7 @@ int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
return -1;
/* unpad the encrypted message */
memcpy(encrypted, temp_encrypted + crypto_box_BOXZEROBYTES, length - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES);
memcpy(encrypted, temp_encrypted + crypto_box_BOXZEROBYTES, length + crypto_box_MACBYTES);
return length - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES;
}
@ -121,7 +121,7 @@ int decrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
return -1;
/* unpad the plain message */
memcpy(plain, temp_plain + crypto_box_ZEROBYTES, length - crypto_box_ZEROBYTES + crypto_box_BOXZEROBYTES);
memcpy(plain, temp_plain + crypto_box_ZEROBYTES, length - crypto_box_MACBYTES);
return length - crypto_box_ZEROBYTES + crypto_box_BOXZEROBYTES;
}