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Code Issues Releases Wiki Activity

update private key

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This commit is contained in:
Christopher Tarry 2021-12-27 21:20:27 -05:00
parent c3bbd3beb2
commit 01066e973b
2 changed files with 38 additions and 33 deletions
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12
widevine/cdm.go
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@ -37,13 +37,19 @@ type Key struct {
// Creates a new CDM object with the specified device information. // Creates a new CDM object with the specified device information.
func NewCDM(privateKey string, clientID []byte, initData []byte) (CDM, error) { func NewCDM(privateKey string, clientID []byte, initData []byte) (CDM, error) {
block, _ := pem.Decode([]byte(privateKey)) block, _ := pem.Decode([]byte(privateKey))
if block == nil || block.Type != "PRIVATE KEY" { if block == nil || (block.Type != "PRIVATE KEY" && block.Type != "RSA PRIVATE KEY") {
return CDM{}, errors.New("failed to decode device private key") return CDM{}, errors.New("failed to decode device private key")
} }
keyParsed, err := x509.ParsePKCS8PrivateKey(block.Bytes)
keyParsed, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
// if PCKS1 doesn't work, try PCKS8
pcks8Key, err := x509.ParsePKCS8PrivateKey(block.Bytes)
if err != nil { if err != nil {
return CDM{}, err return CDM{}, err
} }
keyParsed = pcks8Key.(*rsa.PrivateKey)
}
var widevineCencHeader WidevineCencHeader var widevineCencHeader WidevineCencHeader
if len(initData) < 32 { if len(initData) < 32 {
@ -67,7 +73,7 @@ func NewCDM(privateKey string, clientID []byte, initData []byte) (CDM, error) {
}() }()
return CDM{ return CDM{
privateKey: keyParsed.(*rsa.PrivateKey), privateKey: keyParsed,
clientID: clientID, clientID: clientID,
widevineCencHeader: widevineCencHeader, widevineCencHeader: widevineCencHeader,

57
widevine/consts.go
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