Any electronic signature or electronic authentication technique shall be considered reliable :
AIf the signature creation data or the authentication data are, within the context in which they are used, linked to the signatory or, as the case may be, the authenticator and of no other person
BIf the signature creation data or the authentication data were, at the time of signing, under the control of the signatory or, as the case may be, the authenticator and of no other person
CIf any alteration to the information made after its authentication by electronic signature is detectable
DAll the above