fix: nonFramed maximum content length #316
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nonFramed messages are encrypted under a single operation. The maximum number of bytes for a single AES-GCM "operation." is 2 ** 36 - 32 This is related to the GHASH block size, and can be thought of as the maximum bytes that can be encrypted with a single IV. The AWS Encryption SDK for Javascript does not support non-framed encrypt https://github.com/awslabs/aws-encryption-sdk-specification/blob/master/data-format/message-body.md#non-framed-data
nit: single key/IV pair |
mattsb42-aws
requested changes
Apr 24, 2020
Co-Authored-By: Matt Bullock <bullocm@amazon.com>
Co-Authored-By: Matt Bullock <bullocm@amazon.com>
mattsb42-aws
approved these changes
Apr 25, 2020
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nonFramed messages are encrypted under a single operation.
The maximum number of bytes for a single AES-GCM "operation."
is 2 ** 36 - 32
This is related to the GHASH block size,
and can be thought of as the maximum bytes
that can be encrypted with a single IV.
The AWS Encryption SDK for Javascript
does not support non-framed encrypt
https://github.com/awslabs/aws-encryption-sdk-specification/blob/master/data-format/message-body.md#non-framed-data
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