plain old fashioned MITM with a court order accompanied by a gag order should be sufficient.
Remember WhatsApp is BOTH the PKI infrastructure and the and the message transmitter. It is trivial for them to MITM by sending you and the recipient a different public key that they control and intermediate.
The encryption prevents OTHERS from snooping on you. It doesn't protect you from WhatsApp itself - or the government acting with a warrant.
Remember WhatsApp is BOTH the PKI infrastructure and the and the message transmitter. It is trivial for them to MITM by sending you and the recipient a different public key that they control and intermediate.
The encryption prevents OTHERS from snooping on you. It doesn't protect you from WhatsApp itself - or the government acting with a warrant.