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wolfcrypt-jni
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JNI/JSSE: account for native RSA_MIN_SIZE in JUnit tests, add Rsa.RSA_MIN_SIZE helper

pull/77/head
Chris Conlon 2024-09-18 14:41:23 -06:00
parent 9ebc287ece
commit e4da66fb4a
5 changed files with 57 additions and 24 deletions
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8
jni/include/com_wolfssl_wolfcrypt_Rsa.h
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@ -169,6 +169,14 @@ JNIEXPORT jbyteArray JNICALL Java_com_wolfssl_wolfcrypt_Rsa_wc_1RsaSSL_1Sign
JNIEXPORT jbyteArray JNICALL Java_com_wolfssl_wolfcrypt_Rsa_wc_1RsaSSL_1Verify
(JNIEnv *, jobject, jbyteArray);
/*
* Class: com_wolfssl_wolfcrypt_Rsa
* Method: rsaMinSize
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_com_wolfssl_wolfcrypt_Rsa_rsaMinSize
(JNIEnv *, jclass);
/*
* Class: com_wolfssl_wolfcrypt_Rsa
* Method: getDefaultRsaExponent

9
jni/jni_rsa.c
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@ -81,6 +81,15 @@ JNIEXPORT jlong JNICALL Java_com_wolfssl_wolfcrypt_Rsa_getDefaultRsaExponent
#endif
}
JNIEXPORT jint JNICALL Java_com_wolfssl_wolfcrypt_Rsa_rsaMinSize
(JNIEnv *env, jclass jcl)
{
(void)env;
(void)jcl;
return (jint)RSA_MIN_SIZE;
}
JNIEXPORT void JNICALL
Java_com_wolfssl_wolfcrypt_Rsa_MakeRsaKey(
JNIEnv *env, jobject this, jint size, jlong e, jobject rng_object)

3
src/main/java/com/wolfssl/wolfcrypt/Rsa.java
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@ -32,6 +32,8 @@ public class Rsa extends NativeStruct {
private boolean hasPrivateKey = false;
private Rng rng;
public static final int RSA_MIN_SIZE = Rsa.rsaMinSize();
/** Lock around object state */
protected final Object stateLock = new Object();
@ -92,6 +94,7 @@ public class Rsa extends NativeStruct {
throws WolfCryptException;
private native byte[] wc_RsaSSL_Verify(byte[] data)
throws WolfCryptException;
private static native int rsaMinSize();
/**
* Create new Rsa object

48
src/test/java/com/wolfssl/provider/jce/test/WolfCryptKeyPairGeneratorTest.java
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@ -115,7 +115,8 @@ public class WolfCryptKeyPairGeneratorTest {
new ArrayList<Integer>();
/* Test generation of these RSA key sizes */
private static int testedRSAKeySizes[] = null;
private static ArrayList<Integer> testedRSAKeySizes =
new ArrayList<Integer>();
/* DH test params */
private static byte[] prime = Util.h2b(
@ -149,16 +150,19 @@ public class WolfCryptKeyPairGeneratorTest {
Provider p = Security.getProvider("wolfJCE");
assertNotNull(p);
if (Fips.enabled && Fips.fipsVersion >= 5) {
/* FIPS after 2425 doesn't allow 1024-bit RSA key gen */
testedRSAKeySizes = new int[] {
2048, 3072, 4096
};
/* FIPS after 2425 doesn't allow 1024-bit RSA key gen */
if ((!Fips.enabled || Fips.fipsVersion < 5) &&
(Rsa.RSA_MIN_SIZE <= 1024)) {
testedRSAKeySizes.add(Integer.valueOf(1024));
}
else {
testedRSAKeySizes = new int[] {
1024, 2048, 3072, 4096
};
if (Rsa.RSA_MIN_SIZE <= 2048) {
testedRSAKeySizes.add(Integer.valueOf(2048));
}
if (Rsa.RSA_MIN_SIZE <= 3072) {
testedRSAKeySizes.add(Integer.valueOf(3072));
}
if (Rsa.RSA_MIN_SIZE <= 4096) {
testedRSAKeySizes.add(Integer.valueOf(4096));
}
/* build list of enabled curves and key sizes,
@ -211,13 +215,13 @@ public class WolfCryptKeyPairGeneratorTest {
InvalidAlgorithmParameterException {
/* try initializing KPG for all tested key sizes */
for (int i = 0; i < testedRSAKeySizes.length; i++) {
for (int i = 0; i < testedRSAKeySizes.size(); i++) {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance("RSA", "wolfJCE");
RSAKeyGenParameterSpec rsaSpec =
new RSAKeyGenParameterSpec(testedRSAKeySizes[i],
new RSAKeyGenParameterSpec(testedRSAKeySizes.get(i),
BigInteger.valueOf(Rsa.getDefaultRsaExponent()));
kpg.initialize(rsaSpec);
@ -236,12 +240,12 @@ public class WolfCryptKeyPairGeneratorTest {
InvalidAlgorithmParameterException {
/* try initializing KPG for all tested key sizes */
for (int i = 0; i < testedRSAKeySizes.length; i++) {
for (int i = 0; i < testedRSAKeySizes.size(); i++) {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance("RSA", "wolfJCE");
kpg.initialize(testedRSAKeySizes[i]);
kpg.initialize(testedRSAKeySizes.get(i));
/* bad key size should fail */
try {
@ -256,13 +260,13 @@ public class WolfCryptKeyPairGeneratorTest {
InvalidAlgorithmParameterException {
/* try generating keys for all tested sizes */
for (int i = 0; i < testedRSAKeySizes.length; i++) {
for (int i = 0; i < testedRSAKeySizes.size(); i++) {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance("RSA", "wolfJCE");
RSAKeyGenParameterSpec rsaSpec =
new RSAKeyGenParameterSpec(testedRSAKeySizes[i],
new RSAKeyGenParameterSpec(testedRSAKeySizes.get(i),
BigInteger.valueOf(Rsa.getDefaultRsaExponent()));
kpg.initialize(rsaSpec);
@ -275,13 +279,13 @@ public class WolfCryptKeyPairGeneratorTest {
throws NoSuchProviderException, NoSuchAlgorithmException,
InvalidAlgorithmParameterException {
if (testedRSAKeySizes.length > 0) {
if (testedRSAKeySizes.size() > 0) {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance("RSA", "wolfJCE");
RSAKeyGenParameterSpec rsaSpec =
new RSAKeyGenParameterSpec(testedRSAKeySizes[0],
new RSAKeyGenParameterSpec(testedRSAKeySizes.get(0),
BigInteger.valueOf(Rsa.getDefaultRsaExponent()));
kpg.initialize(rsaSpec);
@ -294,13 +298,13 @@ public class WolfCryptKeyPairGeneratorTest {
throws NoSuchProviderException, NoSuchAlgorithmException,
InvalidAlgorithmParameterException {
if (testedRSAKeySizes.length > 0) {
if (testedRSAKeySizes.size() > 0) {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance("RSA", "wolfJCE");
RSAKeyGenParameterSpec rsaSpec =
new RSAKeyGenParameterSpec(testedRSAKeySizes[0],
new RSAKeyGenParameterSpec(testedRSAKeySizes.get(0),
BigInteger.valueOf(Rsa.getDefaultRsaExponent()));
kpg.initialize(rsaSpec);
@ -314,13 +318,13 @@ public class WolfCryptKeyPairGeneratorTest {
throws NoSuchProviderException, NoSuchAlgorithmException,
InvalidAlgorithmParameterException, InvalidKeySpecException {
if (testedRSAKeySizes.length > 0) {
if (testedRSAKeySizes.size() > 0) {
KeyPairGenerator kpg =
KeyPairGenerator.getInstance("RSA", "wolfJCE");
RSAKeyGenParameterSpec rsaSpec =
new RSAKeyGenParameterSpec(testedRSAKeySizes[0],
new RSAKeyGenParameterSpec(testedRSAKeySizes.get(0),
BigInteger.valueOf(Rsa.getDefaultRsaExponent()));
kpg.initialize(rsaSpec);

13
src/test/java/com/wolfssl/wolfcrypt/test/RsaTest.java
View File

@ -80,13 +80,21 @@ public class RsaTest {
assertNotEquals(NativeStruct.NULL, new Rsa().getNativeStruct());
}
@Test
public void testGetMinRsaSize() {
int minRsaSize = Rsa.RSA_MIN_SIZE;
assertTrue(minRsaSize > 0);
}
@Test
public void testMakeKey() {
Rsa key = null;
/* FIPS after 2425 doesn't allow 1024-bit RSA key gen */
if (Fips.enabled && Fips.fipsVersion < 5) {
if ((Fips.enabled && Fips.fipsVersion < 5) ||
(!Fips.enabled && Rsa.RSA_MIN_SIZE <= 1024)) {
key = new Rsa();
key.makeKey(1024, 65537, rng);
key.releaseNativeStruct();
@ -237,7 +245,8 @@ public class RsaTest {
+ "be35abca5ce7935334a1455d1339654246a19fcdf5bf");
/* FIPS after 2425 doesn't allow 1024-bit RSA key gen */
if (Fips.enabled && Fips.fipsVersion >= 5) {
if ((Fips.enabled && Fips.fipsVersion >= 5) ||
(Rsa.RSA_MIN_SIZE > 1024)) {
/* skip */
return;
}