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AES (Advanced Encryption Standard) is a symmetrical block-cipher algorithm with a 128-bit block size, and key sizes of 128, 192 or 256 bits.

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TLS 1.2 Cipher Suites With AES-GCM – What data (if any) is passed to the AES-GCM cipher as t...

TLS 1.2 defines a number of cipher suites that employ AES-GCM, e.g.: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 TLS_ECDH_ECDSA_WITH_AES … My question is: In a TLS 1.2 implementation that employs AES-GCM – what data (if any) is passed to the AES-GCM cipher as the additional authentication data? …
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