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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package signaturehash
import (
"crypto/tls"
"testing"
"github.com/pion/dtls/v3/pkg/crypto/hash"
"github.com/pion/dtls/v3/pkg/crypto/signature"
"github.com/stretchr/testify/assert"
)
func TestParseSignatureSchemes(t *testing.T) {
cases := map[string]struct {
input []tls.SignatureScheme
expected []Algorithm
err error
insecureHashes bool
}{
"Translate": {
input: []tls.SignatureScheme{
tls.ECDSAWithP256AndSHA256,
tls.ECDSAWithP384AndSHA384,
tls.ECDSAWithP521AndSHA512,
tls.PKCS1WithSHA256,
tls.PKCS1WithSHA384,
tls.PKCS1WithSHA512,
tls.Ed25519,
},
expected: []Algorithm{
{hash.SHA256, signature.ECDSA},
{hash.SHA384, signature.ECDSA},
{hash.SHA512, signature.ECDSA},
{hash.SHA256, signature.RSA},
{hash.SHA384, signature.RSA},
{hash.SHA512, signature.RSA},
{hash.Ed25519, signature.Ed25519},
},
insecureHashes: false,
err: nil,
},
"InvalidSignatureAlgorithm": {
input: []tls.SignatureScheme{
tls.ECDSAWithP256AndSHA256, // Valid
0x04FF, // Invalid: unknown signature with SHA-256
},
expected: nil,
insecureHashes: false,
err: errInvalidSignatureAlgorithm,
},
"InvalidHashAlgorithm": {
input: []tls.SignatureScheme{
tls.ECDSAWithP256AndSHA256, // Valid
0x0003, // Invalid: ECDSA with None
},
expected: nil,
insecureHashes: false,
err: errInvalidHashAlgorithm,
},
"InsecureHashAlgorithmDenied": {
input: []tls.SignatureScheme{
tls.ECDSAWithP256AndSHA256, // Valid
tls.ECDSAWithSHA1, // Insecure
},
expected: []Algorithm{
{hash.SHA256, signature.ECDSA},
},
insecureHashes: false,
err: nil,
},
"InsecureHashAlgorithmAllowed": {
input: []tls.SignatureScheme{
tls.ECDSAWithP256AndSHA256, // Valid
tls.ECDSAWithSHA1, // Insecure
},
expected: []Algorithm{
{hash.SHA256, signature.ECDSA},
{hash.SHA1, signature.ECDSA},
},
insecureHashes: true,
err: nil,
},
"OnlyInsecureHashAlgorithm": {
input: []tls.SignatureScheme{
tls.ECDSAWithSHA1, // Insecure
},
insecureHashes: false,
err: errNoAvailableSignatureSchemes,
},
}
for name, testCase := range cases {
testCase := testCase
t.Run(name, func(t *testing.T) {
output, err := ParseSignatureSchemes(testCase.input, testCase.insecureHashes)
if testCase.err != nil {
assert.ErrorIs(t, err, testCase.err)
}
assert.Equal(t, testCase.expected, output)
})
}
}
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