Null terminate the sodium_crypto_kx_keypair() result

php · Aug 14, 2020 · f6d7af2 · f6d7af2
1 parent 2fe2e5b
commit f6d7af2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ext/sodium/libsodium.c b/ext/sodium/libsodium.c
@@ -2885,6 +2885,7 @@ PHP_FUNCTION(sodium_crypto_kx_keypair)
 		zend_throw_exception(sodium_exception_ce, "internal error", 0);
 		return;
 	}
+	ZSTR_VAL(keypair)[crypto_kx_SECRETKEYBYTES + crypto_kx_PUBLICKEYBYTES] = 0;
 	RETURN_STR(keypair);
 }