GO-2025-3754: CIRCL-Fourq: Missing and wrong validation can lead to incorrect results in github.com/cloudflare/circl

bbs

package

v1.3.5 Latest Latest Go to latest Published: Oct 16, 2023 License: BSD-3-Clause Imports: 7 Imported by: 0

Details

Package bbs provides an implementation of the BBS signature scheme

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func ProofGen(pk PublicKey, signature []byte, header []byte, ph []byte, messages [][]byte, disclosedIndexes []int) ([]byte, error)

func ProofVerify(pk, proof, header, ph []byte, disclosedMessages [][]byte, disclosedIndexes []int) error

func Sign(sk SecretKey, pk []byte, header []byte, messages [][]byte) ([]byte, error)

func Verify(pk PublicKey, signature, header []byte, messages [][]byte) error

type Proof struct {
	Abar *pairing.G1
	Bbar *pairing.G1
	// contains filtered or unexported fields
}

func (p Proof) Encode() []byte

type PublicKey []byte

type SecretKey struct {
	// contains filtered or unexported fields
}

func KeyGen(ikm []byte, keyInfo, keyDst []byte) (SecretKey, error)

func (s SecretKey) Encode() []byte

func (s SecretKey) Public() PublicKey

type Signature struct {
	A *pairing.G1
	// contains filtered or unexported fields
}

func UnmarshalSignature(data []byte) (Signature, error)

func (s Signature) Encode() []byte