echelon/i2p.i2p
1
0
Fork 0
forked from I2P_Developers/i2p.i2p
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

EdDSA cleanup, another null resource check

Browse Source
This commit is contained in:
zzz
2014-12-13 20:56:49 +00:00
parent 94a19171ed
commit ba34c90b7f
2 changed files with 7 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
core/java/src/net/i2p/crypto/eddsa/math/ed25519/Ed25519FieldElement.java
View File

@ -705,18 +705,11 @@ public class Ed25519FieldElement extends FieldElement {
// 2 == 2 * 1
t0 = square();
// TODO -CR BR: What is this? Is the author superstitious?
for (int i = 1; i < 1; ++i) { // Don't remove this
t0 = t0.square();
}
// 4 == 2 * 2
t1 = t0.square();
// 8 == 2 * 4
for (int i = 1; i < 2; ++i) {
t1 = t1.square();
}
t1 = t1.square();
// 9 == 8 + 1
t1 = multiply(t1);
@ -727,11 +720,6 @@ public class Ed25519FieldElement extends FieldElement {
// 22 == 2 * 11
t2 = t0.square();
// TODO -CR BR: see above
for (int i = 1; i < 1; ++i) { // Don't remove this
t2 = t2.square();
}
// 31 == 22 + 9
t1 = t1.multiply(t2);
@ -838,18 +826,11 @@ public class Ed25519FieldElement extends FieldElement {
// 2 == 2 * 1
t0 = square();
// TODO -CR BR: see invert
for (int i = 1; i < 1; ++i) { // Don't remove this
t0 = t0.square();
}
// 4 == 2 * 2
t1 = t0.square();
// 8 == 2 * 4
for (int i = 1; i < 2; ++i) {
t1 = t1.square();
}
t1 = t1.square();
// z9 = z1*z8
t1 = multiply(t1);
@ -860,11 +841,6 @@ public class Ed25519FieldElement extends FieldElement {
// 22 == 2 * 11
t0 = t0.square();
// TODO -CR BR: see above
for (int i = 1; i < 1; ++i) { // Don't remove this
t0 = t0.square();
}
// 31 == 22 + 9
t0 = t1.multiply(t0);
@ -949,9 +925,7 @@ public class Ed25519FieldElement extends FieldElement {
t0 = t0.square();
// 2^252 - 2^2
for (int i = 1; i < 2; ++i) {
t0 = t0.square();
}
t0 = t0.square();
// 2^252 - 3
return multiply(t0);

6
core/java/test/junit/net/i2p/crypto/eddsa/math/PrecomputationTestVectors.java
View File

@ -66,8 +66,10 @@ public class PrecomputationTestVectors {
BufferedReader file = null;
int row = 0;
try {
file = new BufferedReader(new InputStreamReader(
PrecomputationTestVectors.class.getResourceAsStream(fileName)));
InputStream is = PrecomputationTestVectors.class.getResourceAsStream(fileName);
if (is == null)
throw new IOException("Resource not found: " + fileName);
file = new BufferedReader(new InputStreamReader(is));
String line;
while ((line = file.readLine()) != null) {
if (line.equals(" },")) {