96811524d7
* Modify JVM Crypto rules: Change title * changed names * Apply suggestions from code review * fixed includes
130 lines
3.1 KiB
Plaintext
130 lines
3.1 KiB
Plaintext
== How to fix it in Java Cryptography Extension
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=== Code examples
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include::../../common/fix/code-rationale.adoc[]
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==== Noncompliant code example
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include::../../common/fix/rsa.adoc[]
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[source,kotlin,diff-id=1,diff-type=noncompliant]
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----
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import java.security.KeyPairGenerator;
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import java.security.NoSuchAlgorithmException;
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fun main(args: Array<String>) {
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try {
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val keyPairGenerator = KeyPairGenerator.getInstance("RSA");
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keyPairGenerator.initialize(1024); // Noncompliant
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} catch (e: NoSuchAlgorithmException) {
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// ...
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}
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}
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----
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include::../../common/fix/aes.adoc[]
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[source,kotlin,diff-id=2,diff-type=noncompliant]
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----
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import java.security.KeyGenerator;
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import java.security.NoSuchAlgorithmException;
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fun main(args: Array<String>) {
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try {
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val keyGenerator = KeyGenerator.getInstance("AES");
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keyGenerator.initialize(64); // Noncompliant
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} catch (e: NoSuchAlgorithmException) {
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// ...
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}
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}
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----
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include::../../common/fix/ec.adoc[]
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[source,kotlin,diff-id=3,diff-type=noncompliant]
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----
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import java.security.KeyPairGenerator;
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import java.security.NoSuchAlgorithmException;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.spec.ECGenParameterSpec;
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fun main(args: Array<String>) {
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try {
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val keyPairGenerator = KeyPairGenerator.getInstance("EC");
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val ellipticCurveName = new ECGenParameterSpec("secp112r1"); // Noncompliant
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keyPairGenerator.initialize(ellipticCurveName);
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} catch (e: NoSuchAlgorithmException) {
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// ...
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} catch (e: InvalidAlgorithmParameterException) {
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// ...
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}
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}
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----
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==== Compliant solution
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[source,kotlin,diff-id=1,diff-type=compliant]
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----
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import java.security.KeyPairGenerator;
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import java.security.NoSuchAlgorithmException;
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fun main(args: Array<String>) {
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try {
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val keyPairGenerator = KeyPairGenerator.getInstance("RSA");
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keyPairGenerator.initialize(2048);
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} catch (e: NoSuchAlgorithmException) {
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// ...
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}
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}
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----
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[source,kotlin,diff-id=2,diff-type=compliant]
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----
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import java.security.KeyPairGenerator;
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import java.security.NoSuchAlgorithmException;
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public static void main(String[] args) {
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try {
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val keyPairGenerator = KeyPairGenerator.getInstance("AES");
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keyPairGenerator.initialize(128);
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} catch (e: NoSuchAlgorithmException) {
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// ...
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}
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}
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----
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[source,kotlin,diff-id=3,diff-type=compliant]
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----
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import java.security.KeyPairGenerator;
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import java.security.NoSuchAlgorithmException;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.spec.ECGenParameterSpec;
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public static void main(String[] args) {
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try {
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val keyPairGenerator = KeyPairGenerator.getInstance("EC");
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val ellipticCurveName = new ECGenParameterSpec("secp256r1");
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keyPairGenerator.initialize(ellipticCurveName);
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} catch (e: NoSuchAlgorithmException) {
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// ...
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} catch (e: InvalidAlgorithmParameterException) {
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// ...
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}
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}
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----
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=== How does this work?
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include::../../common/fix/fix.adoc[]
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=== Going the extra mile
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include::../../common/extra-mile/pre-quantum.adoc[]
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