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[http://www.cypherpunks.ca/otr/ | [http://www.cypherpunks.ca/otr/ Off-the-Record Messaging], commonly referred to as '''OTR''', is a cryptographic protocol that provides strong encryption for instant messaging conversations. OTR uses a combination of the AES symmetric-key algorithm, the Diffie–Hellman key exchange, and the SHA-1 hash function. In addition to authentication and encryption, OTR provides perfect forward secrecy and malleable encryption. | ||
== Strengths == | == Strengths == |
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