25 lines
433 B
Go
25 lines
433 B
Go
package common
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import (
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"crypto/ecdsa"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/protocol/protobuf"
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)
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func RecoverKey(m *protobuf.ApplicationMetadataMessage) (*ecdsa.PublicKey, error) {
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if m.Signature == nil {
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return nil, nil
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}
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recoveredKey, err := crypto.SigToPub(
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crypto.Keccak256(m.Payload),
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m.Signature,
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)
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if err != nil {
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return nil, err
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}
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return recoveredKey, nil
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}
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