The sender of an original message shared the decoding technique needed to recover the encrypted information only with intended recipients , thereby preventing unwanted persons from doing the same thing .
The originator of an encrypted message shared the decoding technique needed to recover the original information only with intended recipients , thereby precluding unwanted persons from doing the same .

Are these two sentences paraphrases of each other?
Available options:
(I) no
(II) yes
(I)