playReady package

import "41.neocities.org/playReady"

Index ¶

• func UuidOrGuid(data []byte)
• type AuxKey
• type AuxKeys
• type CertFeatures
  • func (c *CertFeatures) Append(data []byte) []byte
  • func (c *CertFeatures) New(Type uint32)
• type CertSignature
  • func (c *CertSignature) New(signature, modelKey []byte) error
• type Certificate
  • func (c *Certificate) Append(data []byte) []byte
• type CertificateInfo
  • func (c *CertificateInfo) New(securityLevel uint32, digest []byte)
• type Chain
  • func (c *Chain) Decode(data []byte) error
  • func (c *Chain) Encode() []byte
  • func (c *Chain) Leaf(modelPriv, signEncryptPriv *big.Int) error
  • func (c *Chain) RequestBody(kid []byte, privK *big.Int) ([]byte, error)
• type ContentKey
• type CoordX
  • func (c *CoordX) Key() []byte
  • func (c *CoordX) New(x *big.Int)
• type EccKey
• type Ftlv
  • func (f *Ftlv) Append(data []byte) []byte
• type KeyData
  • func (k *KeyData) Append(data []byte) []byte
  • func (k *KeyData) New(PublicKey []byte, Type uint32)
• type KeyInfo
  • func (k *KeyInfo) New(signEncryptKey []byte)
• type License
  • func (l *License) Decrypt(data []byte, privK *big.Int) (*CoordX, error)
• type LicenseSignature

func UuidOrGuid ¶

func UuidOrGuid(data []byte)

type AuxKey ¶

type AuxKey struct {
	Location uint32

	Key [16]byte
}

type AuxKeys ¶

type AuxKeys struct {
	Count uint16

	Keys []AuxKey
}

type CertFeatures ¶

type CertFeatures struct {
	Entries uint32

	Features []uint32
}

func (*CertFeatures) Append ¶

func (c *CertFeatures) Append(data []byte) []byte

func (*CertFeatures) New ¶

func (c *CertFeatures) New(Type uint32)

type CertSignature ¶

type CertSignature struct {
	SignatureType uint16

	SignatureLength uint16

	// The actual signature bytes
	Signature []byte

	IssuerLength uint32

	// The public key of the issuer that signed this certificate
	IssuerKey []byte
}

func (*CertSignature) New ¶

func (c *CertSignature) New(signature, modelKey []byte) error

type Certificate ¶

type Certificate struct {
	Magic [4]byte // 0:4

	Version uint32 // 4:8

	Length uint32 // 8:12

	LengthToSignature uint32 // 12:16

	Info *CertificateInfo // 0x1

	Security *Ftlv // 0x11

	Features *Ftlv // 0x5

	KeyInfo *KeyInfo // 0x6

	Manufacturer *Ftlv // 0x7

	Signature *CertSignature // 0x8
}

func (*Certificate) Append ¶

func (c *Certificate) Append(data []byte) []byte

type CertificateInfo ¶

type CertificateInfo struct {
	CertificateId [16]byte

	SecurityLevel uint32

	Flags uint32

	InfoType uint32

	Digest [32]byte

	Expiry uint32

	ClientId [16]byte // Client ID (can be used for license binding)
}

func (*CertificateInfo) New ¶

func (c *CertificateInfo) New(securityLevel uint32, digest []byte)

type Chain ¶

type Chain struct {
	Magic [4]byte

	Version uint32

	Length uint32

	Flags uint32

	CertCount uint32

	Certificates []Certificate
}

func (*Chain) Decode ¶

func (c *Chain) Decode(data []byte) error

Decode decodes a byte slice into the Chain structure.

func (*Chain) Encode ¶

func (c *Chain) Encode() []byte

func (*Chain) Leaf ¶

func (c *Chain) Leaf(modelPriv, signEncryptPriv *big.Int) error

they downgrade certs from the cert digest (hash of the signing key)

func (*Chain) RequestBody ¶

func (c *Chain) RequestBody(kid []byte, privK *big.Int) ([]byte, error)

type ContentKey ¶

type ContentKey struct {
	KeyId [16]byte

	KeyType uint16

	CipherType uint16

	Length uint16

	Value []byte
}

type CoordX ¶

type CoordX [32]byte

func (*CoordX) Key ¶

func (c *CoordX) Key() []byte

func (*CoordX) New ¶

func (c *CoordX) New(x *big.Int)

type EccKey ¶

type EccKey struct {
	Curve uint16

	Length uint16

	Value []byte
}

type Ftlv ¶

type Ftlv struct {
	Flag uint16 // this can be 0 or 1

	Type uint16

	Length uint32

	Value []byte
}

func (*Ftlv) Append ¶

func (f *Ftlv) Append(data []byte) []byte

type KeyData ¶

type KeyData struct {
	KeyType uint16

	Length uint16

	Flags uint32

	PublicKey [64]byte // ECDSA P256 public key (X and Y coordinates)

	Usage CertFeatures
}

func (*KeyData) Append ¶

func (k *KeyData) Append(data []byte) []byte

func (*KeyData) New ¶

func (k *KeyData) New(PublicKey []byte, Type uint32)

type KeyInfo ¶

type KeyInfo struct {
	Entries uint32 // can be 1 or 2

	Keys []KeyData
}

func (*KeyInfo) New ¶

func (k *KeyInfo) New(signEncryptKey []byte)

type License ¶

type License struct {
	Magic [4]byte // 0

	Offset uint16 // 1

	Version uint16 // 2

	RightsId [16]byte // 3

	ContentKey *ContentKey // 4.9.10

	EccKey *EccKey // 4.9.42

	AuxKeys *AuxKeys // 4.9.81

	Signature *LicenseSignature // 4.11
}

func (*License) Decrypt ¶

func (l *License) Decrypt(data []byte, privK *big.Int) (*CoordX, error)

type LicenseSignature ¶

type LicenseSignature struct {
	Type uint16

	Length uint16

	Data []byte
}

Source Files ¶

certificate.go chain.go playReady.go

Directories ¶

Forge ¶

https://github.com/3052/playReady

https://github.com/3052/playReady.git
git@github.com:3052/playReady.git