/// <summary>
/// Revokes a global <see cref="VirgilCard"/> from Virgil Security services.
/// </summary>
/// <param name="card">The Card to be revoked.</param>
/// <param name="key">The Key associated with the revoking Card.</param>
/// <param name="identityToken">The identity token.</param>
public async Task RevokeGlobalAsync(VirgilCard card, VirgilKey key, IdentityValidationToken identityToken)
{
var revokeRequest = new RevokeGlobalCardRequest(card.Id, RevocationReason.Unspecified, identityToken.Value);
var fingerprint = this.context.Crypto.CalculateFingerprint(revokeRequest.Snapshot);
var signature = key.Sign(fingerprint.GetValue());
revokeRequest.AppendSignature(card.Id, signature.GetBytes());
await this.context.Client.RevokeGlobalCardAsync(revokeRequest);
}
private CardModel BuildCardModel
(
string identity,
string identityType,
Dictionary <string, string> customFields,
CardScope scope,
VirgilKey ownerKey
)
{
var cardSnapshotModel = new PublishCardSnapshotModel
{
Identity = identity,
IdentityType = identityType,
Info = new CardInfoModel
{
DeviceName = this.context.DeviceManager.GetDeviceName(),
Device = this.context.DeviceManager.GetSystemName()
},
PublicKeyData = ownerKey.ExportPublicKey().GetBytes(),
Scope = scope,
Data = customFields
};
var snapshot = new Snapshotter().Capture(cardSnapshotModel);
var snapshotFingerprint = this.context.Crypto.CalculateFingerprint(snapshot);
var cardId = snapshotFingerprint.ToHEX();
var selfSignature = ownerKey.Sign(VirgilBuffer.From(snapshotFingerprint.GetValue()));
var signatures = new Dictionary <string, byte[]>
{
[cardId] = selfSignature.GetBytes()
};
var cardModel = new CardModel(cardSnapshotModel)
{
Id = cardId,
Snapshot = snapshot,
Meta = new CardMetaModel
{
Signatures = signatures
}
};
return(cardModel);
}
/// <summary>
/// Signs a byte array data using current <see cref="VirgilKey"/>.
/// </summary>
/// <param name="virgilKey">The <see cref="VirgilKey"/> used to sign the <paramref name="data"/></param>
/// <param name="data">The plaintext to be signed.</param>
/// <returns>A new <see cref="VirgilBuffer"/> instance with generated signature.</returns>
public static VirgilBuffer Sign(this VirgilKey virgilKey, byte[] data)
{
return(virgilKey.Sign(VirgilBuffer.From(data)));
}
/// <summary>
/// Signs a plaintext using current <see cref="VirgilKey"/>.
/// </summary>
/// <param name="virgilKey">The <see cref="VirgilKey"/> used to sign the <paramref name="plaintext"/></param>
/// <param name="plaintext">The plaintext to be signed.</param>
/// <returns>A new <see cref="VirgilBuffer"/> instance with generated signature.</returns>
public static VirgilBuffer Sign(this VirgilKey virgilKey, string plaintext)
{
return(virgilKey.Sign(VirgilBuffer.From(plaintext)));
}