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make the crypto error type a native go type (#8267)

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This commit makes the `crypto.Error` type a native go (string)
type. That allows us to define error values as constants instead
of variables.

For reference see:
 - https://twitter.com/_aead_/status/1118170258215514115?s=20
 - https://dave.cheney.net/2016/04/07/constant-errors
This commit is contained in:
Andreas Auernhammer
2019-09-22 10:12:51 +02:00
committed by Harshavardhana
parent 1127293863
commit ffded5a930
5 changed files with 29 additions and 23 deletions
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2
cmd/crypto/key.go
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@@ -108,7 +108,7 @@ func (key *ObjectKey) Unseal(extKey [32]byte, sealedKey SealedKey, domain, bucke
)
switch sealedKey.Algorithm {
default:
return Error{fmt.Sprintf("The sealing algorithm '%s' is not supported", sealedKey.Algorithm)}
return Error(fmt.Sprintf("The sealing algorithm '%s' is not supported", sealedKey.Algorithm))
case SealAlgorithm:
mac := hmac.New(sha256.New, extKey[:])
mac.Write(sealedKey.IV[:])