kagome::crypto::Ed25519ProviderImpl Class Reference

#include <ed25519_provider_impl.hpp>

Inheritance diagram for kagome::crypto::Ed25519ProviderImpl:

Collaboration diagram for kagome::crypto::Ed25519ProviderImpl:

Public Types
enum	Error { Error::VERIFICATION_FAILED = 1, Error::SIGN_FAILED }

Public Member Functions
	Ed25519ProviderImpl (std::shared_ptr< CSPRNG > generator)
Ed25519KeypairAndSeed	generateKeypair () const override
Ed25519Keypair	generateKeypair (const Ed25519Seed &seed) const override
	generates key pair by seed More...
outcome::result< Ed25519Signature >	sign (const Ed25519Keypair &keypair, gsl::span< const uint8_t > message) const override
outcome::result< bool >	verify (const Ed25519Signature &signature, gsl::span< const uint8_t > message, const Ed25519PublicKey &public_key) const override
Public Member Functions inherited from kagome::crypto::Ed25519Provider
virtual	~Ed25519Provider ()=default

Private Attributes
std::shared_ptr< CSPRNG >	generator_
log::Logger	logger_

Detailed Description

Definition at line 16 of file ed25519_provider_impl.hpp.

Member Enumeration Documentation

enum kagome::crypto::Ed25519ProviderImpl::Error

strong

Enumerator
VERIFICATION_FAILED
SIGN_FAILED

Definition at line 18 of file ed25519_provider_impl.hpp.

Constructor & Destructor Documentation

kagome::crypto::Ed25519ProviderImpl::Ed25519ProviderImpl ( std::shared_ptr< CSPRNG >  generator )

explicit

Definition at line 27 of file ed25519_provider_impl.cpp.

Member Function Documentation

Ed25519KeypairAndSeed kagome::crypto::Ed25519ProviderImpl::generateKeypair ( ) const

overridevirtual

Generates random keypair for signing the message

Returns

ed25519 key pair if succeeded of error if failed

Implements kagome::crypto::Ed25519Provider.

Definition at line 33 of file ed25519_provider_impl.cpp.

Ed25519Keypair kagome::crypto::Ed25519ProviderImpl::generateKeypair ( const Ed25519Seed &  seed ) const

overridevirtual

generates key pair by seed

Parameters

seed	seed value

Returns

ed25519 key pair

Implements kagome::crypto::Ed25519Provider.

Definition at line 39 of file ed25519_provider_impl.cpp.

outcome::result< Ed25519Signature > kagome::crypto::Ed25519ProviderImpl::sign ( const Ed25519Keypair &  keypair, gsl::span< const uint8_t >  message  ) const

overridevirtual

Sign message

Parameters

msg	using
keypair.	If computed value is less than
threshold	then return optional containing this value and proof. Otherwise none returned
keypair	pair of public and private ed25519 keys
message	bytes to be signed

Returns

signed message

Implements kagome::crypto::Ed25519Provider.

Definition at line 52 of file ed25519_provider_impl.cpp.

outcome::result< bool > kagome::crypto::Ed25519ProviderImpl::verify ( const Ed25519Signature &  signature, gsl::span< const uint8_t >  message, const Ed25519PublicKey &  public_key  ) const

overridevirtual

Verifies that

Parameters

message	was derived using
public_key	on
signature

Implements kagome::crypto::Ed25519Provider.

Definition at line 70 of file ed25519_provider_impl.cpp.

Member Data Documentation

std::shared_ptr<CSPRNG> kagome::crypto::Ed25519ProviderImpl::generator_

private

Definition at line 36 of file ed25519_provider_impl.hpp.

log::Logger kagome::crypto::Ed25519ProviderImpl::logger_

private

Definition at line 37 of file ed25519_provider_impl.hpp.

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The documentation for this class was generated from the following files:

• core/crypto/ed25519/ed25519_provider_impl.hpp
• core/crypto/ed25519/ed25519_provider_impl.cpp