Mercurial > hg > nginx-tests
changeset 1933:9bafe7cddd3c
Tests: improved QUIC key update tests with old keys.
On unsuccessful protection removal, it is now retried with old keys.
Otherwise, old keys are removed to ensure they're no longer in use.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 21 Aug 2023 17:26:47 +0400 |
parents | b68471aee5ad |
children | 4d13c9e74d04 |
files | lib/Test/Nginx/HTTP3.pm |
diffstat | 1 files changed, 16 insertions(+), 0 deletions(-) [+] |
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--- a/lib/Test/Nginx/HTTP3.pm +++ b/lib/Test/Nginx/HTTP3.pm @@ -1721,6 +1721,18 @@ sub decrypt_aead { my ($f, @args) = decrypt_aead_f($level, $self->{cipher}); my $plaintext = $f->(@args, $self->{keys}[$level]{r}{key}, $nonce, $ad, $ciphertext, $tag); + if ($level == 3 && $self->{keys}[4]) { + if (!defined $plaintext) { + # in-flight packets might be protected with old keys + $nonce = substr(pack("x12") . pack("N", $pn), -12) + ^ $self->{keys}[4]{r}{iv}; + $plaintext = $f->(@args, $self->{keys}[4]{r}{key}, + $nonce, $ad, $ciphertext, $tag); + } else { + # remove old keys after unprotected with new keys + splice @{$self->{keys}}, 4, 1; + } + } return if !defined $plaintext; Test::Nginx::log_core('||', "pn = $pn, level = $level, length = " . length($plaintext)); @@ -1884,6 +1896,10 @@ sub key_update { $prk = hkdf_expand_label("tls13 quic ku", $hash, $hlen, $prk); $key = hkdf_expand_label("tls13 quic key", $hash, $klen, $prk); $iv = hkdf_expand_label("tls13 quic iv", $hash, 12, $prk); + $self->{keys}[4]{$direction}{key} = + $self->{keys}[3]{$direction}{key}; + $self->{keys}[4]{$direction}{iv} = + $self->{keys}[3]{$direction}{iv}; $self->{keys}[3]{$direction}{prk} = $prk; $self->{keys}[3]{$direction}{key} = $key; $self->{keys}[3]{$direction}{iv} = $iv;