EAX may refer to:
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EAX mode
EAX mode (encrypt-then-authenticate-then-translate) is a mode of operation for cryptographic block ciphers. It is an Authenticated Encryption with Associated Data ( AEAD) algorithm designed to simultaneously provide both authentication and priv ...
, a mode of operation for cryptographic block ciphers
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EAX register, a 32-bit processor register of x86 CPUs
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Environmental Audio Extensions, a number of digital signal processing presets for audio, found in Sound Blaster sound cards
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GTD-5 EAX
The GTD-5 EAX (General Telephone Digital Number 5 Electronic Automatic Exchange) is the Class 5 telephone switch developed by GTE Automatic Electric Laboratories. This digital central office telephone circuit switching system is used in the fo ...
, class 5 digital telephone switch typically used in former GTE service areas
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