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use mzero instead of wasting randomness

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TLINDEN
2015-08-15 13:04:30 +02:00
parent 7b3005e790
commit f091a28589
1 changed files with 3 additions and 6 deletions
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9
libpcp/key.c
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@@ -175,12 +175,9 @@ pcp_key_t *pcpkey_encrypt(PCPCTX *ptx, pcp_key_t *key, char *passphrase) {
/* success */ /* success */
memcpy(key->encrypted, encrypted, 176); memcpy(key->encrypted, encrypted, 176);
ucfree(encrypted, es); ucfree(encrypted, es);
arc4random_buf(key->secret, 32); memset(key->secret, 0, 32);
arc4random_buf(key->edsecret, 64); memset(key->edsecret, 0, 64);
arc4random_buf(key->mastersecret, 64); memset(key->mastersecret, 0, 64);
key->secret[0] = 0;
key->edsecret[0] = 0;
key->mastersecret[0] = 0;
} }
else { else {
fatal(ptx, "failed to encrypt the secret key!\n"); fatal(ptx, "failed to encrypt the secret key!\n");