Uses of Class
ch.epfl.dedis.lib.exception.CothorityCryptoException

Packages that use CothorityCryptoException

Package	Description
ch.epfl.dedis.byzgen
ch.epfl.dedis.lib
ch.epfl.dedis.lib.crypto
ch.epfl.dedis.lib.darc
ch.epfl.dedis.lib.omniledger
ch.epfl.dedis.lib.omniledger.contracts
ch.epfl.dedis.lib.omniledger.darc
ch.epfl.dedis.ocs

Uses of CothorityCryptoException in ch.epfl.dedis.byzgen

Constructors in ch.epfl.dedis.byzgen that throw CothorityCryptoException

Constructor and Description
OnchainSecrets(Roster roster, Darc admin) Creates a new OnchainSecrets class and creates a new skipchain.
OnchainSecrets(Roster roster, SkipblockId ocsID) Creates a new OnchainSecrets class that attaches to an existing skipchain.

Uses of CothorityCryptoException in ch.epfl.dedis.lib

Methods in ch.epfl.dedis.lib that throw CothorityCryptoException

Modifier and Type	Method and Description
SkipblockId	SkipBlock.getId()
SkipblockId	SkipBlock.getSkipchainId()

Constructors in ch.epfl.dedis.lib that throw CothorityCryptoException

Constructor and Description
Sha256id(byte[] id)
SkipblockId(byte[] id)

Uses of CothorityCryptoException in ch.epfl.dedis.lib.crypto

Methods in ch.epfl.dedis.lib.crypto that throw CothorityCryptoException

Modifier and Type	Method and Description
byte[]	Ed25519Point.data()
byte[]	Point.data()
static byte[]	Encryption.decryptData(byte[] dataEnc, byte[] keyMaterial) This method decrypts the data using the same encryption-method as is defined in the header of this class.
static byte[]	Encryption.decryptData(com.google.protobuf.ByteString dataEnc, byte[] keyMaterial) Convenience method for use with googles-protobuf bytestring.
static Point	Ed25519Point.embed(byte[] data)
static byte[]	Encryption.encryptData(byte[] data, byte[] keyMaterial) Encrypts the data using the encryption defined in the header.

Constructors in ch.epfl.dedis.lib.crypto that throw CothorityCryptoException

Constructor and Description
keyIv(byte[] keyMaterial)

Uses of CothorityCryptoException in ch.epfl.dedis.lib.darc

Methods in ch.epfl.dedis.lib.darc that throw CothorityCryptoException

Modifier and Type	Method and Description
void	Darc.addOwner(Darc darc) Adds an owner to the list of allowed signers.
void	Darc.addOwner(Signer signer) Adds a owner to the list of allowed signers.
void	Darc.addUser(Darc darc) Adds a user to the list of allowed signers.
void	Darc.addUser(Signer signer) Adds a user to the list of allowed signers.
Darc	Darc.copy() Creates a copy of the current darc and increases the version-number by 1.
DarcId	Darc.getBaseId() Returns the id of the darc with version == 0.
DarcId	Darc.getId() Calculate the getId of the darc by calculating the sha-256 of the invariant parts which excludes the delegation-signature.
Identity	Signer.getIdentity() Returns an identity of the signer.
Identity	SignerEd25519.getIdentity() Creates an identity of the signer.
Identity	SignerX509EC.getIdentity() Creates an identity of the signer.
byte[]	SignaturePath.getPathMsg() Returns the path as an array of bytes.
Scalar	Signer.getPrivate() Returns the private key of the signer, or throws a NoPrivateKey exception.
Scalar	SignerX509EC.getPrivate() Returns the private key of the signer, or throws a CothorityCryptoException.
Point	Signer.getPublic() Returns the public key of the signer or throws a NoPublicKey exception.
Point	SignerX509EC.getPublic() Returns the public key of the signer, or throws a CothorityCryptoException.
static Identity	IdentityFactory.New(Darc darc) Creates the corresponding identity to a darc.
static Identity	IdentityFactory.New(DarcOCSProto.Identity proto) Returns an instantiated identity that is stored in proto.
static Identity	IdentityFactory.New(Signer signer) Creates the corresponding identity to a signer.
void	Darc.removeOwner(Darc darc)
void	Darc.removeOwner(Signer signer)
void	Darc.removeUser(Darc darc)
void	Darc.removeUser(Signer signer)
void	Darc.setEvolution(Darc previous, Signer previousOwner) To evolve a darc, the latest valid darc needs to sign the new darc.
void	Darc.setEvolutionOffline(Darc previous, SignaturePath path, Signer previousOwner) To evolve a darc, the latest valid darc needs to sign the new darc.
boolean	DarcSignature.verify(byte[] msg, Darc base) Returns true if the signature verification is OK, false on an error.
boolean	Darc.verifyEvolution(Darc previous) Returns true if the current darc has correctly been evolved from the previous darc.

Constructors in ch.epfl.dedis.lib.darc that throw CothorityCryptoException

Constructor and Description
Darc(DarcOCSProto.Darc proto) Returns a darc from a protobuf representation.
Darc(List<Identity> owners, List<Identity> users, byte[] data) Initialize a darc by giving an owner that is allowed to evolve the darc and a list of users allowed to sign actions on behalf of that darc.
Darc(Signer owner, List<Signer> users, byte[] data) Overloaded function for convenience.
DarcId(byte[] id)
DarcSignature(byte[] msg, Darc darc, Signer signer, int role)
DarcSignature(byte[] msg, SignaturePath path, Signer signer) This will return a new DarcSignature by the signer on the message.
DarcSignature(DarcOCSProto.Signature proto) Recreates a darc from a protobuf representation.
IdentityDarc(Darc darc) Instantiates a IdentityDarc given a darc.
IdentityDarc(DarcOCSProto.IdentityDarc proto) Instantiates a IdentityDarc given its protobuf representation.
IdentityEd25519(Signer signer) Creates an IdentityEd25519 from a SignerEd25519.
IdentityX509EC(DarcOCSProto.IdentityX509EC proto) Creates an IdentityX509EC from a protobuf representation.
IdentityX509EC(Signer signer) Creates an IdentityEd25519 from a SignerEd25519.
SignaturePath(DarcOCSProto.SignaturePath proto)
SignaturePath(Darc darc, Signer signer, int role) Overloaded method for convenience.
SignaturePath(List<Darc> darcPath, Signer signer, int role) Overloaded method for convenience.
SignaturePath(Signer signer, int role) For creating online paths that don't inlcude the previous darcs but that need the path to be verified by the verifier itself.

Uses of CothorityCryptoException in ch.epfl.dedis.lib.omniledger

Methods in ch.epfl.dedis.lib.omniledger that throw CothorityCryptoException

Modifier and Type	Method and Description
InstanceId	Instruction.deriveId(String what) This function derives an instance ID from the instruction with the given string.
DarcId	TransactionId.getDarcId()
DarcId	InstanceId.getDarcId()
SubId	TransactionId.getSubId()
SubId	InstanceId.getSubId()
static SubId	SubId.one() Creates a sub ID with the first byte set to 1.
static SubId	SubId.random()
void	Instruction.signBy(List<Signer> signers) Have a list of signers sign the instruction.
static SubId	SubId.zero() Creates a sub ID with all bytes set to 0.
static InstanceId	InstanceId.zero() Creates an instance ID of all zeros.

Constructors in ch.epfl.dedis.lib.omniledger that throw CothorityCryptoException

Constructor and Description
InstanceId(byte[] id)
InstanceId(DarcId did, SubId sid)
SubId(byte[] id)
TransactionId(byte[] id)

Uses of CothorityCryptoException in ch.epfl.dedis.lib.omniledger.contracts

Methods in ch.epfl.dedis.lib.omniledger.contracts that throw CothorityCryptoException

Modifier and Type	Method and Description
Instruction	DarcInstance.evolveDarcInstruction(Darc newDarc, Signer owner, int pos, int len) Creates an instruction to evolve the darc in omniledger.
Instruction	ValueInstance.evolveValueInstruction(byte[] newValue, Signer owner, int pos, int len) Creates an instruction to evolve the value in omniledger.
Darc	DarcInstance.getDarc()
DarcId	DarcInstance.getId()
byte[]	ValueInstance.getValue()
Instruction	DarcInstance.spawnContractInstruction(String contractID, Signer s, List<Argument> args, int pos, int len) Creates an instruction for spawning a contract.

Uses of CothorityCryptoException in ch.epfl.dedis.lib.omniledger.darc

Methods in ch.epfl.dedis.lib.omniledger.darc that throw CothorityCryptoException

Modifier and Type	Method and Description
Darc	Darc.copy()
Darc	Darc.copyEvolve()
DarcId	Darc.getBaseId() Gets the base-ID of the darc, i.e.
DarcId	Darc.getId() Calculate the getId of the darc by calculating the sha-256 of the invariant parts which excludes the delegation-signature.
Identity	Signer.getIdentity() Returns an identity of the signer.
Identity	SignerEd25519.getIdentity() Creates an identity of the signer.
Identity	SignerX509EC.getIdentity() Creates an identity of the signer.
Scalar	Signer.getPrivate() Returns the private key of the signer, or throws a NoPrivateKey exception.
Scalar	SignerX509EC.getPrivate() Returns the private key of the signer, or throws a CothorityCryptoException.
Point	Signer.getPublic() Returns the public key of the signer or throws a NoPublicKey exception.
Point	SignerX509EC.getPublic() Returns the public key of the signer, or throws a CothorityCryptoException.
void	Darc.increaseVersion() Updates the version of the darc and clears any eventual signatures from previous evolutions.
static Identity	IdentityFactory.New(Darc darc) Creates the corresponding identity to a darc.
static Identity	IdentityFactory.New(DarcProto.Identity proto) Returns an instantiated identity that is stored in proto.
static Identity	IdentityFactory.New(Signer signer) Creates the corresponding identity to a signer.
void	Darc.setPrevId(Darc d)
static DarcId	DarcId.zero() Creates a darc ID with all zeros.

Constructors in ch.epfl.dedis.lib.omniledger.darc that throw CothorityCryptoException

Constructor and Description
Darc(byte[] buf)
Darc(DarcProto.Darc proto)
DarcId(byte[] id) Constructs a darc ID from a byte array.
DarcId(com.google.protobuf.ByteString id) Constructs a darc ID from ByteString.
IdentityDarc(Darc darc) Instantiates a IdentityDarc given a darc.
IdentityDarc(DarcProto.IdentityDarc proto) Instantiates a IdentityDarc given its protobuf representation.
IdentityEd25519(Signer signer) Creates an IdentityEd25519 from a SignerEd25519.
IdentityX509EC(DarcProto.IdentityX509EC proto) Creates an IdentityX509EC from a protobuf representation.
IdentityX509EC(Signer signer) Creates an IdentityEd25519 from a SignerEd25519.
Signature(DarcProto.Signature sig)

Uses of CothorityCryptoException in ch.epfl.dedis.ocs

Methods in ch.epfl.dedis.ocs that throw CothorityCryptoException

Modifier and Type	Method and Description
Darc	OnchainSecrets.addIdentityToDarc(Darc darc, Identity identity, Signer signer, int role) Adds a new identity to an existing darc under the given role.
Darc	OnchainSecrets.addIdentityToDarc(DarcId id, Signer identity, Signer signer, int role) Instead of giving a darc, this method will search for an existing darc given its id on the skipchain.
Darc	OnchainSecrets.addIdentityToDarc(Darc darc, Signer identity, Signer signer, int role) Overloaded method for convenience in case the identity is only available as a signer.
ReadRequestId	OnchainSecretsRPC.createReadRequest(ReadRequest rr) Requests read-access to a document from the cothority.
WriteRequest	OnchainSecretsRPC.createWriteRequest(WriteRequest wr, DarcSignature signature) Creates a write request on the skipchain.
Darc	OnchainSecretsRPC.getAdminDarc()
SignaturePath	OnchainSecrets.getDarcPath(DarcId base, Signer identity, int role) Convenience method to pass a signer as identity and get the darc-path used in signatures.
DecryptKey	OnchainSecretsRPC.getDecryptionKeyEphemeral(ReadRequestId id, DarcSignature signature, Point ephemeral) Requests the re-encryption symmetricKey from the skipchain, but uses an ephemeral key for it.
Document	OnchainSecrets.getDocument(WriteRequestId wrId, Signer reader) Creates a read-request, if successful fetches the document from the skipchain and decodes the keymaterial.
Document	OnchainSecrets.getDocumentEphemeral(WriteRequestId wrId, Signer reader) Requests the re-encryption symmetricKey from the skipchain, but uses an ephemeral key for it.
byte[]	DecryptKey.getKeyMaterial(OCSProto.Write write, Scalar reader)
List<Darc>	OnchainSecretsRPC.getLatestDarc(DarcId id) Requests the whole chain of darcs up to the current latest darc.
DarcSignature	WriteRequest.getSignature(OnchainSecretsRPC ocs, Signer publisher) Creates a correct signature-path starting from the admin darc and signs that path to get a correct write-request.
WriteRequest	OnchainSecrets.publishDocument(Document doc, Signer writer) Publishes a document given the Document and the writer with write-authorization.
Darc	OnchainSecrets.removeIdentityFromDarc(Darc darc, Identity identity, Signer signer, int role) Remove identity from an existing darc under the given role.
void	OnchainSecretsRPC.updateDarc(Darc newAccount) Updates an existing account or adds a new account to the skipchain.

Constructors in ch.epfl.dedis.ocs that throw CothorityCryptoException

Constructor and Description
Document(byte[] data, int keylen, Darc readers) Convenience method without the public data.
Document(byte[] data, int keylen, Darc readers, byte[] dataPublic) Creates a new document from data, creates a new Darc, a symmetric symmetricKey and encrypts the data using CBC-RSA.
OnchainSecrets(Roster roster, Darc admin) Creates a new OnchainSecrets class and creates a new skipchain.
OnchainSecrets(Roster roster, SkipblockId ocsID) Creates a new OnchainSecrets class that attaches to an existing skipchain.
ReadRequest(OnchainSecretsRPC ocs, WriteRequestId wrId, Signer reader) This fetches the write-request and the path for the reader to sign.
ReadRequestId(byte[] id)
WriteRequest(byte[] data, int keylen, Darc owner) Creates a new document from data, creates a new Darc, a symmetric symmetricKey and encrypts the data using CBC-RSA.
WriteRequest(String data, int keylen, Darc owner) Overloaded constructor for WriteRequest, but taking a string rather than an array of bytes.
WriteRequestId(byte[] id)