1 files changed, 1 insertions, 0 deletions
diff --git a/lacme-accountd b/lacme-accountd
index 5bc8b5f..a0cc15f 100755
--- a/lacme-accountd
+++ b/lacme-accountd
@@ -174,6 +174,7 @@ if ($OPTS{privkey} =~ /\A(file|gpg):(\p{Print}+)\z/) {
     error("$filename: Not a private key") unless $rsa->is_private();
     error("$filename: Invalid key")       unless $rsa->check_key();
     $rsa->use_sha256_hash();
+    $rsa->use_pkcs1_padding(); # JWT RS256 uses PKCS#1 v1.5 signatures
 
     require 'Crypt/OpenSSL/Bignum.pm';
     my ($n, $e) = $rsa->get_key_parameters(); # don't include private params!