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interface.go
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interface.go
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package verify
import (
"crypto/ecdsa"
"crypto/rsa"
"github.com/open-policy-agent/opa/topdown/internal/jwx/jws/sign"
)
// Verifier provides a common interface for supported alg verification methods
type Verifier interface {
// Verify checks whether the payload and signature are valid for
// the given key.
// `key` is the key used for verifying the payload, and is usually
// the public key associated with the signature method. For example,
// for `jwa.RSXXX` and `jwa.PSXXX` types, you need to pass the
// `*"crypto/rsa".PublicKey` type.
// Check the documentation for each verifier for details
Verify(payload []byte, signature []byte, key interface{}) error
}
type rsaVerifyFunc func([]byte, []byte, *rsa.PublicKey) error
// RSAVerifier implements the Verifier interface
type RSAVerifier struct {
verify rsaVerifyFunc
}
type ecdsaVerifyFunc func([]byte, []byte, *ecdsa.PublicKey) error
// ECDSAVerifier implements the Verifier interface
type ECDSAVerifier struct {
verify ecdsaVerifyFunc
}
// HMACVerifier implements the Verifier interface
type HMACVerifier struct {
signer sign.Signer
}