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util.crypto: Add support for AES-256-CTR

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This is required by PASETO v3.local
This commit is contained in:
Matthew Wild 2023-01-13 14:34:10 +00:00
parent 341c8417c2
commit 26dc334ae3
2 changed files with 61 additions and 21 deletions
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17
spec/util_crypto_spec.lua
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@ -164,4 +164,21 @@ describe("util.crypto", function ()
end
end);
end);
describe("AES-CTR encryption", function ()
it("works", function ()
local message = "foo\0bar hello world";
local key_256_bit = random.bytes(32);
local test_cases = {
{ crypto.aes_256_ctr_decrypt, crypto.aes_256_ctr_decrypt, key = key_256_bit };
};
for _, params in pairs(test_cases) do
local iv = params.iv or random.bytes(16);
local encrypted = params[1](params.key, iv, message);
assert.not_equal(message, encrypted);
local decrypted = params[2](params.key, iv, encrypted);
assert.equal(message, decrypted);
end
end);
end);
end);