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-- Test rsa signing
context("RSA signature verification test", function()
local rsa_privkey = require "rspamd_rsa_privkey"
local rsa_pubkey = require "rspamd_rsa_pubkey"
local rsa_signature = require "rspamd_rsa_signature"
local rsa = require "rspamd_rsa"
local hash = require "rspamd_cryptobox_hash"
local pubkey = 'testkey.pub'
local privkey = 'testkey.sec'
local data = 'test.data'
local signature = 'test.sig'
local signature_bytes = 'test.sig_bytes'
local test_dir = string.gsub(debug.getinfo(1).source, "^@(.+/)[^/]+$", "%1")
local rsa_key, rsa_sig
test("RSA sign", function()
-- Signing test
rsa_key = rsa_privkey.load_file(string.format('%s/%s', test_dir, privkey))
assert_not_nil(rsa_key)
local h = hash.create_specific('sha256')
local d = io.open(string.format('%s/%s', test_dir, data), "rb"):read "*a"
h:update(d)
local sig = rsa.sign_memory(rsa_key, h:bin())
assert_not_nil(sig)
sig:save(string.format('%s/%s', test_dir, signature_bytes), true)
local sig_actual = string.format('%s\n', sig:base64(80, 'lf'))
local sig_expected = io.open(string.format('%s/%s', test_dir, signature), "rb"):read "*a"
assert_equal(sig_actual, sig_expected)
end)
test("RSA verify", function()
-- Verifying test
local h = hash.create_specific('sha256')
local d = io.open(string.format('%s/%s', test_dir, data), "rb"):read "*a"
h:update(d)
rsa_key = rsa_pubkey.load(string.format('%s/%s', test_dir, pubkey))
assert_not_nil(rsa_key)
rsa_sig = rsa_signature.load(string.format('%s/%s', test_dir, signature_bytes))
assert_not_nil(rsa_sig)
assert_true(rsa.verify_memory(rsa_key, rsa_sig, h:bin()))
end)
test("RSA keypair + sign + verify", function()
local sk, pk = rsa.keypair()
local sig = rsa.sign_memory(sk, "test_012345678901234567890123456")
assert_true(rsa.verify_memory(pk, sig, "test_012345678901234567890123456"))
assert_false(rsa.verify_memory(pk, sig, "blah_012345678901234567890123456"))
-- Overwrite
sk, pk = rsa.keypair()
assert_false(rsa.verify_memory(pk, sig, "test_012345678901234567890123456"))
end)
test("RSA-2048 keypair + sign + verify", function()
local sk, pk = rsa.keypair(2048)
local sig = rsa.sign_memory(sk, "test_012345678901234567890123456")
assert_true(rsa.verify_memory(pk, sig, "test_012345678901234567890123456"))
assert_false(rsa.verify_memory(pk, sig, "blah_012345678901234567890123456"))
-- Overwrite
sk, pk = rsa.keypair(2048)
assert_false(rsa.verify_memory(pk, sig, "test_012345678901234567890123456"))
end)
end)
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