/
cryptographyscheme.go
61 lines (47 loc) · 1.93 KB
/
cryptographyscheme.go
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package platformpolicy
import (
"crypto"
"github.com/insolar/assured-ledger/ledger-core/cryptography"
"github.com/insolar/assured-ledger/ledger-core/cryptography/platformpolicy/internal/hash"
"github.com/insolar/assured-ledger/ledger-core/cryptography/platformpolicy/internal/sign"
)
type platformCryptographyScheme struct {
hashProvider hash.AlgorithmProvider
signProvider sign.AlgorithmProvider
}
func (pcs *platformCryptographyScheme) PublicKeySize() int {
return sign.TwoBigIntBytesLength
}
func (pcs *platformCryptographyScheme) SignatureSize() int {
return sign.TwoBigIntBytesLength
}
func (pcs *platformCryptographyScheme) ReferenceHashSize() int {
return pcs.hashProvider.Hash224bits().Size()
}
func (pcs *platformCryptographyScheme) IntegrityHashSize() int {
return pcs.hashProvider.Hash512bits().Size()
}
func (pcs *platformCryptographyScheme) ReferenceHasher() cryptography.Hasher {
return pcs.hashProvider.Hash224bits()
}
func (pcs *platformCryptographyScheme) IntegrityHasher() cryptography.Hasher {
return pcs.hashProvider.Hash512bits()
}
func (pcs *platformCryptographyScheme) DataSigner(privateKey crypto.PrivateKey, hasher cryptography.Hasher) cryptography.Signer {
return pcs.signProvider.DataSigner(privateKey, hasher)
}
func (pcs *platformCryptographyScheme) DigestSigner(privateKey crypto.PrivateKey) cryptography.Signer {
return pcs.signProvider.DigestSigner(privateKey)
}
func (pcs *platformCryptographyScheme) DataVerifier(publicKey crypto.PublicKey, hasher cryptography.Hasher) cryptography.Verifier {
return pcs.signProvider.DataVerifier(publicKey, hasher)
}
func (pcs *platformCryptographyScheme) DigestVerifier(publicKey crypto.PublicKey) cryptography.Verifier {
return pcs.signProvider.DigestVerifier(publicKey)
}
func NewPlatformCryptographyScheme() cryptography.PlatformCryptographyScheme {
return &platformCryptographyScheme{
hashProvider: hash.NewSHA3Provider(),
signProvider: sign.NewECDSAProvider(),
}
}