Skip to content
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

Jump to bottom

crypto: fix key requirements in asymmetric cipher #30249

Closed
wants to merge 2 commits into from
Closed

crypto: fix key requirements in asymmetric cipher #30249

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
a97850a
crypto: fix key requirements in asymmetric cipher
tniessen Nov 4, 2019
f9bdeb8
fixup! crypto: fix key requirements in asymmetric cipher
tniessen Nov 4, 2019
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
4 changes: 2 additions & 2 deletions lib/internal/crypto/cipher.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,11 +66,11 @@ function rsaFunctionFor(method, defaultPadding, keyType) {
const publicEncrypt = rsaFunctionFor(_publicEncrypt, RSA_PKCS1_OAEP_PADDING,
'public');
const publicDecrypt = rsaFunctionFor(_publicDecrypt, RSA_PKCS1_PADDING,
'private');
'public');
const privateEncrypt = rsaFunctionFor(_privateEncrypt, RSA_PKCS1_PADDING,
'private');
const privateDecrypt = rsaFunctionFor(_privateDecrypt, RSA_PKCS1_OAEP_PADDING,
'public');
'private');

function getDecoder(decoder, encoding) {
encoding = normalizeEncoding(encoding);
Expand Down
40 changes: 28 additions & 12 deletions test/parallel/test-crypto-key-objects.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,10 @@ const {
createPrivateKey,
KeyObject,
randomBytes,
publicDecrypt,
publicEncrypt,
privateDecrypt
privateDecrypt,
privateEncrypt
} = require('crypto');

const fixtures = require('../common/fixtures');
Expand Down Expand Up @@ -156,7 +158,16 @@ const privateDsa = fixtures.readKey('dsa_private_encrypted_1025.pem',
assert(Buffer.isBuffer(privateDER));

const plaintext = Buffer.from('Hello world', 'utf8');
const ciphertexts = [
const testDecryption = (fn, ciphertexts, decryptionKeys) => {
for (const ciphertext of ciphertexts) {
for (const key of decryptionKeys) {
const deciphered = fn(key, ciphertext);
assert.deepStrictEqual(deciphered, plaintext);
}
}
};

testDecryption(privateDecrypt, [
// Encrypt using the public key.
publicEncrypt(publicKey, plaintext),
publicEncrypt({ key: publicKey }, plaintext),
Expand All @@ -173,20 +184,25 @@ const privateDsa = fixtures.readKey('dsa_private_encrypted_1025.pem',
// DER-encoded data only.
publicEncrypt({ format: 'der', type: 'pkcs1', key: publicDER }, plaintext),
publicEncrypt({ format: 'der', type: 'pkcs1', key: privateDER }, plaintext)
];

const decryptionKeys = [
], [
privateKey,
{ format: 'pem', key: privatePem },
{ format: 'der', type: 'pkcs1', key: privateDER }
];
]);

for (const ciphertext of ciphertexts) {
for (const key of decryptionKeys) {
const deciphered = privateDecrypt(key, ciphertext);
assert(plaintext.equals(deciphered));
}
}
testDecryption(publicDecrypt, [
privateEncrypt(privateKey, plaintext)
], [
// Decrypt using the public key.
publicKey,
{ format: 'pem', key: publicPem },
{ format: 'der', type: 'pkcs1', key: publicDER },

// Decrypt using the private key.
privateKey,
{ format: 'pem', key: privatePem },
{ format: 'der', type: 'pkcs1', key: privateDER }
]);
}

{
Expand Down