Off-the-Record Messaging protocol

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Arts and letters

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What Wikipedia says

Off-the-Record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations. OTR uses a combination of AES symmetric-key algorithm with 128 bits key length, the Diffie–Hellman key exchange with 1536 bits group size, and the SHA-1 hash function.

Excerpt from the Wikipedia article “Off-the-Record Messaging protocol”, under the CC BY-SA 4.0 license. Read the article on Wikipedia