Documentation
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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type Transcript ¶
type Transcript struct {
// contains filtered or unexported fields
}
Transcript handles the creation of challenges for Fiat Shamir.
func NewTranscript ¶
func NewTranscript(h hash.Hash, challengesID ...string) Transcript
NewTranscript returns a new transcript. h is the hash function that is used to compute the challenges. challenges are the name of the challenges. The order of the challenges IDs matters.
func (*Transcript) Bind ¶
func (t *Transcript) Bind(challengeID string, bValue []byte) error
Bind binds the challenge to value. A challenge can be binded to an arbitrary number of values, but the order in which the binded values are added is important. Once a challenge is computed, it cannot be binded to other values.
func (*Transcript) ComputeChallenge ¶
func (t *Transcript) ComputeChallenge(challengeID string) ([]byte, error)
ComputeChallenge computes the challenge corresponding to the given name. The challenge is: * H(name || previous_challenge || binded_values...) if the challenge is not the first one * H(name || binded_values... ) if it's is the first challenge
Source Files