koi_net.protocol.secure

Functions

`der_to_raw_signature`(der_signature[, curve])	Converts a DER-encoded signature to raw r\|\|s format.
`raw_to_der_signature`(raw_signature[, curve])	Converts a raw r\|\|s signature to DER format.

Classes

`PrivateKey`(priv_key)
`PublicKey`(pub_key)

class koi_net.protocol.secure.PrivateKey(priv_key)[source]

Bases: object

Parameters:: priv_key (EllipticCurvePrivateKey)

classmethod from_pem(priv_key_pem, password)[source]

Loads PrivateKey from encrypted PEM string.

Parameters:

priv_key_pem (str)
password (str)

classmethod generate()[source]: Generates a new PrivateKey.

priv_key: EllipticCurvePrivateKey

public_key()[source]

Returns instance of PublicKey derived from this private key.

Return type:: PublicKey

sign(message)[source]

Returns base64 encoded raw signature bytes of the form r||s.

Return type:: str
Parameters:: message (bytes)

to_pem(password)[source]

Saves PrivateKey to encrypted PEM string.

Return type:: str
Parameters:: password (str)

class koi_net.protocol.secure.PublicKey(pub_key)[source]

Bases: object

Parameters:: pub_key (EllipticCurvePublicKey)

classmethod from_der(pub_key_der)[source]

Loads PublicKey from base64 encoded DER string.

Parameters:: pub_key_der (str)

classmethod from_pem(pub_key_pem)[source]

Loads PublicKey from PEM string.

Parameters:: pub_key_pem (str)

pub_key: EllipticCurvePublicKey

to_der()[source]

Saves PublicKey to base64 encoded DER string.

Return type:: str

to_node_rid(name)[source]

Returns an orn:koi-net.node RID from hashed DER string.

Return type:: KoiNetNode

to_pem()[source]

Saves PublicKey to PEM string.

Return type:: str

verify(signature, message)[source]

Verifies a signature for a message.

Raises:

cryptography.exceptions.InvalidSignature – if verification fails

Parameters:

signature (str)
message (bytes)

koi_net.protocol.secure.der_to_raw_signature(der_signature, curve=<cryptography.hazmat.primitives.asymmetric.ec.SECP256R1 object>)[source]

Converts a DER-encoded signature to raw r||s format.

Return type:: bytes
Parameters:: der_signature (bytes)

koi_net.protocol.secure.raw_to_der_signature(raw_signature, curve=<cryptography.hazmat.primitives.asymmetric.ec.SECP256R1 object>)[source]

Converts a raw r||s signature to DER format.

Return type:: bytes
Parameters:: raw_signature (bytes)