Skip to content

ext/openssl: Deprecate $key_length parameter of openssl_pkey_derive() #19421

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Aug 9, 2025
+55 −1
Merged

ext/openssl: Deprecate $key_length parameter of openssl_pkey_derive() #19421

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
78a69d7
ext/openssl: Deprecate $key_length parameter of openssl_pkey_derive()
Girgias Aug 6, 2025
57ff600
amend new bugfix test
Girgias Aug 9, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions ext/openssl/openssl.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2356,6 +2356,14 @@ PHP_FUNCTION(openssl_pkey_derive)
RETURN_THROWS();
}

if (ZEND_NUM_ARGS() == 3) {
php_error_docref(NULL, E_DEPRECATED,
"the $key_length parameter is deprecated as it is either ignored or truncates the key");
if (UNEXPECTED(EG(exception))) {
RETURN_THROWS();
}
}

if (key_len < 0) {
zend_argument_value_error(3, "must be greater than or equal to 0");
RETURN_THROWS();
Expand Down
3 changes: 2 additions & 1 deletion ext/openssl/tests/gh19428.phpt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,5 +40,6 @@ dtlkbGbtoDOnxeNnN93gwQZngGYZYciu
var_dump(openssl_pkey_derive($pub, $priv, 10));

?>
--EXPECT--
--EXPECTF--
Deprecated: openssl_pkey_derive(): the $key_length parameter is deprecated as it is either ignored or truncates the key in %s on line %d
bool(false)
45 changes: 45 additions & 0 deletions ext/openssl/tests/openssl_pkey_derive_deprecated_key_length_param.phpt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
--TEST--
openssl_pkey_derive() DH
--EXTENSIONS--
openssl
--FILE--
<?php

$priv = openssl_pkey_get_private("-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----
");

$pub = openssl_pkey_get_public("-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----
");

var_dump(bin2hex(openssl_pkey_derive($pub, $priv, 1000)));

?>
--EXPECTF--
Deprecated: openssl_pkey_derive(): the $key_length parameter is deprecated as it is either ignored or truncates the key in %s on line %d
string(512) "10aed66ad96a65f50543aa9adbc18ea169bf98521c682c49fb8b7daeb9e8fbe6b9a800199ffe1123cc36fc358829cbbc5d21bf1eb8ce3cf644538b357f478361a284c27fbe31fc94d431562786dd7314613cd70e6d76ca1ab3c1f31556ed07162f243dcc1a43ea98c454fb6e891eaec7a14158d54cd33d3fbbbc75f1ea8ff5deaab25d5deb657c7c43004252df301b195207d01614e7cb833e0e8d785ba2ecfe16ad7a9634784fdb8db8afe049476b58743575725ee99c761a59a7d7b9e709fff84c8d427e2bc07953a7c2408eb3f8f7e0ebc2f901c6889955874ae79a3de19921757d69424145a35dbe5af778b080dada55bdfce8fb0319f2de39110f58e05d"