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The term "end-to-end encryption" originally only meant that the communication is never decrypted during its transport from the sender to the receiver. [9] For example, around 2003, E2EE has been proposed as an additional layer of encryption for GSM [10] or TETRA, [11] in addition to the existing radio encryption protecting the communication between the mobile device and the network infrastructure.
The encryption process used by Threema is based on the open-source library NaCl library. Threema uses asymmetric ECC-based encryption, with 256-bit strength. Threema offers a "Validation Logging" feature that makes it possible to confirm that messages are end-to-end encrypted using the NaCl Networking and Cryptography library. [24]
Name Type Specification Use Equipment (incomplete list) ACCORDIAN R21-TECH-13-00, "ACCORDIAN 3.0 Specification" (August 2000) AIM (1999 and 2004 brochures), SafeXcel-3340, PSIAM [2] AES (256-bit keys only) Block cipher: FIPS 197 Numerous Numerous BATON: Block cipher: Various
In 1999, Ian Goldberg and David A. Wagner cryptanalyzed A5/2 in the same month it was reverse engineered, and showed that it was extremely weak – so much so that low end equipment can probably break it in real time.
[37] [38] In March 2019, Google discontinued Allo in favor of their Google Messages app on Android. [39] [40] In November 2020, Google announced that they would be using the Signal Protocol to provide end-to-end encryption by default to all RCS-based conversations between users of their Google Messages app, starting with one-to-one ...
KASUMI is a block cipher used in UMTS, GSM, and GPRS mobile communications systems. In UMTS, KASUMI is used in the confidentiality (f8) and integrity algorithms (f9) with names UEA1 and UIA1, respectively. [1]
Hardware-based encryption is the use of computer hardware to assist software, or sometimes replace software, in the process of data encryption. Typically, this is implemented as part of the processor 's instruction set.
This is a list of telecommunications encryption terms. This list is derived in part from the Glossary of Telecommunication Terms published as Federal Standard 1037C . A5/1 – a stream cipher used to provide over-the-air communication privacy in the GSM cellular telephone standard.