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Code Issues Projects Releases Wiki Activity

Possible timing problem fixed.

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This commit is contained in:
irungentoo 2013-08-01 15:49:32 -04:00
parent f6c510b3cc
commit ffd69a6525
1 changed files with 4 additions and 6 deletions
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10
core/net_crypto.c
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@ -75,10 +75,9 @@ int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
uint32_t i;
uint32_t check = 0;
for(i = 0; i < crypto_box_BOXZEROBYTES; ++i) {
if (temp_encrypted[i] != 0)
check = 1;
check |= temp_plain[i] ^ 0;
}
if(check == 1)
if(check != 0)
return -1;
/* unpad the encrypted message */
@ -110,10 +109,9 @@ int decrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
uint32_t i;
uint32_t check = 0;
for(i = 0; i < crypto_box_ZEROBYTES; ++i) {
if (temp_plain[i] != 0)
check = 1;
check |= temp_plain[i] ^ 0;
}
if(check == 1)
if(check != 0)
return -1;
/* unpad the plain message */