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53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package ecdsa
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import (
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"crypto"
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"crypto/elliptic"
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"github.com/go-i2p/go-i2p/lib/crypto/types"
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)
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type (
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ECP521PublicKey [132]byte
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)
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// Verify implements types.Verifier.
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func (k ECP521PublicKey) Verify(data []byte, sig []byte) error {
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log.WithField("data_length", len(data)).Debug("Verifying data with ECDSA-P521")
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verifier, err := k.NewVerifier()
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if err != nil {
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log.WithError(err).Error("Failed to create verifier")
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return err
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}
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return verifier.Verify(data, sig)
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}
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// VerifyHash implements types.Verifier.
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func (k ECP521PublicKey) VerifyHash(h []byte, sig []byte) error {
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log.WithField("hash_length", len(h)).Debug("Verifying hash with ECDSA-P521")
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verifier, err := k.NewVerifier()
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if err != nil {
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log.WithError(err).Error("Failed to create verifier")
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return err
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}
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return verifier.VerifyHash(h, sig)
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}
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func (k ECP521PublicKey) Bytes() []byte {
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return k[:]
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}
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func (k ECP521PublicKey) Len() int {
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return len(k)
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}
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func (k ECP521PublicKey) NewVerifier() (types.Verifier, error) {
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log.Debug("Creating new P521 ECDSA verifier")
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v, err := CreateECVerifier(elliptic.P521(), crypto.SHA512, k[:])
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if err != nil {
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log.WithError(err).Error("Failed to create P521 ECDSA verifier")
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}
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return v, err
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// return createECVerifier(elliptic.P521(), crypto.SHA512, k[:])
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}
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