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fix proof signature algorithm

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This commit is contained in:
Lucas Clemente
2016-04-12 12:16:46 +02:00
parent f634d2a577
commit 97187c5a31
1 changed files with 7 additions and 2 deletions
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9
crypto/proof_rsa.go
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@@ -1,12 +1,16 @@
package crypto package crypto
import ( import (
"bytes"
"compress/zlib"
"crypto" "crypto"
"crypto/rand" "crypto/rand"
"crypto/rsa" "crypto/rsa"
"crypto/sha256" "crypto/sha256"
"crypto/x509" "crypto/x509"
"io/ioutil" "io/ioutil"
"github.com/lucas-clemente/quic-go/utils"
) )
// KeyData stores a key and a certificate for the server proof // KeyData stores a key and a certificate for the server proof
@@ -40,9 +44,10 @@ func LoadKeyData(certFileName string, keyFileName string) (*KeyData, error) {
// SignServerProof signs CHLO and server config for use in the server proof // SignServerProof signs CHLO and server config for use in the server proof
func (kd *KeyData) SignServerProof(chlo []byte, serverConfigData []byte) ([]byte, error) { func (kd *KeyData) SignServerProof(chlo []byte, serverConfigData []byte) ([]byte, error) {
hash := sha256.New() hash := sha256.New()
hash.Write([]byte("QUIC server config signature\x00")) hash.Write([]byte("QUIC CHLO and server config signature\x00"))
chloHash := sha256.Sum256(chlo) chloHash := sha256.Sum256(chlo)
hash.Write([]byte{32, 0, 0, 0})
hash.Write(chloHash[:]) hash.Write(chloHash[:])
hash.Write(serverConfigData) hash.Write(serverConfigData)
return rsa.SignPSS(rand.Reader, kd.key, crypto.SHA256, hash.Sum(nil), nil) return rsa.SignPSS(rand.Reader, kd.key, crypto.SHA256, hash.Sum(nil), &rsa.PSSOptions{SaltLength: 32})
} }