Fix large RSA exponent check (#481)

2017-03-29 15:52:38 -04:00 · 2017-03-29 15:52:38 -04:00 · 89d392d274
parent c1bdeb82b2
commit 89d392d274
1 changed files with 1 additions and 1 deletions
--- a/dnssec.go
+++ b/dnssec.go
@ -515,7 +515,7 @@ func (k *DNSKEY) publicKeyRSA() *rsa.PublicKey {
 	}
 	// Remainder
 	expo += uint64(keybuf[keyoff])
-	if expo > 2<<31 {
+	if expo > (2<<31)+1 {
 		// Larger expo than supported.
 		// println("dns: F5 primes (or larger) are not supported")
 		return nil