32 lines
713 B
Go
32 lines
713 B
Go
/*REMOVE THIS AFTER SIGNATURE WILL BE AVAILABLE IN TREE CLIENT FROM NEOFS NODE*/
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package neofs
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/sha512"
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"google.golang.org/protobuf/proto"
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)
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func (c *TreeClient) signData(buf []byte, f func(key, sign []byte)) error {
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hash := sha512.Sum512(buf)
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x, y, err := ecdsa.Sign(rand.Reader, &c.key.PrivateKey, hash[:])
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if err != nil {
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return err
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}
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sign := elliptic.Marshal(elliptic.P256(), x, y)
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f(c.key.PublicKey().Bytes(), sign)
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return nil
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}
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func (c *TreeClient) signRequest(requestBody proto.Message, f func(key, sign []byte)) error {
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buf, err := proto.Marshal(requestBody)
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if err != nil {
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return err
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}
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return c.signData(buf, f)
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}
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