ceremonyclient/go-libp2p/core/crypto/rsa_common.go
2023-08-20 23:07:43 -05:00

29 lines
739 B
Go

package crypto
import (
"fmt"
"os"
)
// WeakRsaKeyEnv is an environment variable which, when set, lowers the
// minimum required bits of RSA keys to 512. This should be used exclusively in
// test situations.
const WeakRsaKeyEnv = "LIBP2P_ALLOW_WEAK_RSA_KEYS"
var MinRsaKeyBits = 2048
var maxRsaKeyBits = 8192
// ErrRsaKeyTooSmall is returned when trying to generate or parse an RSA key
// that's smaller than MinRsaKeyBits bits. In test
var ErrRsaKeyTooSmall error
var ErrRsaKeyTooBig error = fmt.Errorf("rsa keys must be <= %d bits", maxRsaKeyBits)
func init() {
if _, ok := os.LookupEnv(WeakRsaKeyEnv); ok {
MinRsaKeyBits = 512
}
ErrRsaKeyTooSmall = fmt.Errorf("rsa keys must be >= %d bits to be useful", MinRsaKeyBits)
}