Skip to content

crypto: improve errors in DiffieHellmanGroup #31445

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

Closed
wants to merge 1 commit into from
Closed

crypto: improve errors in DiffieHellmanGroup #31445

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
7 changes: 2 additions & 5 deletions src/node_crypto.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5697,18 +5697,15 @@ void DiffieHellman::DiffieHellmanGroup(
Environment* env = Environment::GetCurrent(args);
DiffieHellman* diffieHellman = new DiffieHellman(env, args.This());

if (args.Length() != 1) {
return THROW_ERR_MISSING_ARGS(env, "Group name argument is mandatory");
}

CHECK_EQ(args.Length(), 1);
THROW_AND_RETURN_IF_NOT_STRING(env, args[0], "Group name");

bool initialized = false;

const node::Utf8Value group_name(env->isolate(), args[0]);
const modp_group* group = FindDiffieHellmanGroup(*group_name);
if (group == nullptr)
return env->ThrowError("Unknown group");
return THROW_ERR_CRYPTO_UNKNOWN_DH_GROUP(env, "Unknown group");

initialized = diffieHellman->Init(group->prime,
group->prime_size,
Expand Down
6 changes: 5 additions & 1 deletion test/parallel/test-crypto-dh.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -389,7 +389,11 @@ assert.throws(
function() {
crypto.getDiffieHellman('unknown-group');
},
/^Error: Unknown group$/,
{
name: 'Error',
code: 'ERR_CRYPTO_UNKNOWN_DH_GROUP',
message: 'Unknown group'
},
'crypto.getDiffieHellman(\'unknown-group\') ' +
'failed to throw the expected error.'
);
Expand Down