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Merge pull request #2261 from kdimak/issue-2221-vc
feat: BbsBlsSignature2020 LDP suite for VC
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18 changes: 18 additions & 0 deletions
18
pkg/doc/signature/suite/bbsblssignature2020/public_key_verifier.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| /* | ||
| Copyright SecureKey Technologies Inc. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package bbsblssignature2020 | ||
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| import "github.com/hyperledger/aries-framework-go/pkg/doc/signature/verifier" | ||
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| const g2PubKeyType = "Bls12381G2Key2020" | ||
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| // NewG2PublicKeyVerifier creates a signature verifier that verifies a BbsBlsSignature2020 signature | ||
| // taking Bls12381G2Key2020 public key bytes as input. | ||
| func NewG2PublicKeyVerifier() *verifier.PublicKeyVerifier { | ||
| return verifier.NewPublicKeyVerifier(verifier.NewBBSG2SignatureVerifier(), | ||
| verifier.WithExactPublicKeyType(g2PubKeyType)) | ||
| } |
59 changes: 59 additions & 0 deletions
59
pkg/doc/signature/suite/bbsblssignature2020/public_key_verifier_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /* | ||
| Copyright SecureKey Technologies Inc. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package bbsblssignature2020 | ||
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| import ( | ||
| "encoding/base64" | ||
| "testing" | ||
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| "github.com/stretchr/testify/require" | ||
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| "github.com/hyperledger/aries-framework-go/pkg/doc/jose" | ||
| sigverifier "github.com/hyperledger/aries-framework-go/pkg/doc/signature/verifier" | ||
| ) | ||
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| //nolint:lll | ||
| func TestNewG2PublicKeyVerifier(t *testing.T) { | ||
| verifier := NewG2PublicKeyVerifier() | ||
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| pkBase64 := "lOpN7uGZWivVIjs0325N/V0dAhoPomrgfXVpg7pZNdRWwFwJDVxoE7TvRyOx/Qr7GMtShNuS2Px/oScD+SMf08t8eAO78QRNErPzwNpfkP4ppcSTShStFDfFbsv9L9yb" | ||
| pkBytes, err := base64.RawStdEncoding.DecodeString(pkBase64) | ||
| require.NoError(t, err) | ||
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| sigBase64 := "hPbLkeMZZ6KKzkjWoTVHeMeuLJfYWjmdAU1Vg5fZ/VZnIXxxeXBB+q0/EL8XQmWkOMMwEGA/D2dCb4MDuntKZpvHEHlvaFR6l1A4bYj0t2Jd6bYwGwCwirNbmSeIoEmJeRzJ1cSvsL+jxvLixdDPnw==" | ||
| sigBytes, err := base64.StdEncoding.DecodeString(sigBase64) | ||
| require.NoError(t, err) | ||
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| msg := ` | ||
| message1 | ||
| message2 | ||
| ` | ||
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| err = verifier.Verify(&sigverifier.PublicKey{ | ||
| Type: "Bls12381G2Key2020", | ||
| Value: pkBytes, | ||
| }, []byte(msg), sigBytes) | ||
| require.NoError(t, err) | ||
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| err = verifier.Verify(&sigverifier.PublicKey{ | ||
| Type: "NotBls12381G2Key2020", | ||
| Value: pkBytes, | ||
| }, []byte(msg), sigBytes) | ||
| require.Error(t, err) | ||
| require.EqualError(t, err, "a type of public key is not 'Bls12381G2Key2020'") | ||
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| // Failed as we do not support JWK for Bls12381G2Key2020. | ||
| err = verifier.Verify(&sigverifier.PublicKey{ | ||
| Type: "Bls12381G2Key2020", | ||
| JWK: &jose.JWK{ | ||
| Kty: "EC", | ||
| Crv: "BLS12381_G2", | ||
| }, | ||
| }, []byte(msg), sigBytes) | ||
| require.Error(t, err) | ||
| require.EqualError(t, err, "verifier does not match JSON Web Key") | ||
| } |
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