Henno Brandsma
  • Member for 10 years, 5 months
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What causes first block of AES decryption to be garbled, even with correct IV?
Accepted answer
7 votes

For TLS the IV for the first packet is generated from the shared secrets; quoting the RFC 2246: To generate the key material, compute key_block = PRF(SecurityParameters.master_secret, ...

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