That won't work in this case because if he was killed or captured, they could have recovered access to his private keys.
At best crypto proof will allow to exclude the possibility of a hoax by some unrelated third party and reduce the possibility to two cases: real assange or cover up by people who killed / captured him.
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j_m_d ago
Message signed with his PGP key. Simple as that.
standalone ago
That won't work in this case because if he was killed or captured, they could have recovered access to his private keys.
At best crypto proof will allow to exclude the possibility of a hoax by some unrelated third party and reduce the possibility to two cases: real assange or cover up by people who killed / captured him.
Godwillwin ago
What's a pgp key?