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7922028d7c
Update to use the correct c/image/v4 import path, work originally from https://github.com/containers/skopeo/pull/733 by Valentin Rothberg <rothberg@redhat.com>. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
24 lines
466 B
Go
24 lines
466 B
Go
// +build !libtrust_openssl
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package libtrust
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import (
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"crypto"
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"crypto/ecdsa"
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"crypto/rand"
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"fmt"
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"io"
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"math/big"
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)
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func (k *ecPrivateKey) sign(data io.Reader, hashID crypto.Hash) (r, s *big.Int, err error) {
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hasher := k.signatureAlgorithm.HashID().New()
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_, err = io.Copy(hasher, data)
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if err != nil {
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return nil, nil, fmt.Errorf("error reading data to sign: %s", err)
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}
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hash := hasher.Sum(nil)
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return ecdsa.Sign(rand.Reader, k.PrivateKey, hash)
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}
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