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algorithm.go
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algorithm.go
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package jwt
type (
Algorithm int
)
const (
AlgorithmUnknown Algorithm = iota - 1
_
AlgorithmRSA256
AlgorithmRSA384
AlgorithmRSA512
AlgorithmHMAC256
AlgorithmHMAC384
AlgorithmHMAC512
AlgorithmECDSA256
AlgorithmECDSA384
AlgorithmECDSA512
)
var RSAAlgorithms = []Algorithm{AlgorithmRSA256, AlgorithmRSA384, AlgorithmRSA512}
var ECDSAlgorithms = []Algorithm{AlgorithmECDSA256, AlgorithmECDSA384, AlgorithmECDSA512}
func NewAlgorithm(a string) Algorithm {
switch a {
case "RS256":
return AlgorithmRSA256
case "RS384":
return AlgorithmRSA384
case "RS512":
return AlgorithmRSA512
case "HS256":
return AlgorithmHMAC256
case "HS384":
return AlgorithmHMAC384
case "HS512":
return AlgorithmHMAC512
case "ES256":
return AlgorithmECDSA256
case "ES384":
return AlgorithmECDSA384
case "ES512":
return AlgorithmECDSA512
default:
return AlgorithmUnknown
}
}
func (a Algorithm) IsHMAC() bool {
switch a {
case AlgorithmHMAC256, AlgorithmHMAC384, AlgorithmHMAC512:
return true
default:
return false
}
}
func (a Algorithm) String() string {
switch a {
case AlgorithmRSA256:
return "RS256"
case AlgorithmRSA384:
return "RS384"
case AlgorithmRSA512:
return "RS512"
case AlgorithmHMAC256:
return "HS256"
case AlgorithmHMAC384:
return "HS384"
case AlgorithmHMAC512:
return "HS512"
case AlgorithmECDSA256:
return "ES256"
case AlgorithmECDSA384:
return "ES384"
case AlgorithmECDSA512:
return "ES512"
default:
return "Unknown"
}
}