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crypto: move crypto buffer helpers

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This commit is contained in:
Michael Eischer
2022-06-12 14:48:30 +02:00
parent a0cef9f247
commit 8c11fc3ec9
11 changed files with 29 additions and 26 deletions
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6
internal/pack/pack.go
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@@ -79,7 +79,7 @@ func (p *Packer) Finalize() error {
return err
}
encryptedHeader := make([]byte, 0, restic.CiphertextLength(len(header)))
encryptedHeader := make([]byte, 0, crypto.CiphertextLength(len(header)))
nonce := crypto.NewRandomNonce()
encryptedHeader = append(encryptedHeader, nonce...)
encryptedHeader = p.k.Seal(encryptedHeader, nonce, header, nil)
@@ -107,7 +107,7 @@ func (p *Packer) Finalize() error {
// HeaderOverhead returns an estimate of the number of bytes written by a call to Finalize.
func (p *Packer) HeaderOverhead() int {
return restic.CiphertextLength(0) + binary.Size(uint32(0))
return crypto.CiphertextLength(0) + binary.Size(uint32(0))
}
// makeHeader constructs the header for p.
@@ -275,7 +275,7 @@ func List(k *crypto.Key, rd io.ReaderAt, size int64) (entries []restic.Blob, hdr
return nil, 0, err
}
if len(buf) < restic.CiphertextLength(0) {
if len(buf) < crypto.CiphertextLength(0) {
return nil, 0, errors.New("invalid header, too small")
}