Skip to content

Reject rounds=0 for SHA1 hashes #326

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

Merged
rsgowman merged 2 commits into from
Nov 5, 2019
Merged

Reject rounds=0 for SHA1 hashes #326

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
1b4edff
Reject rounds=0 for SHA1 hashes
rsgowman Nov 1, 2019
7f9ffcf
Move test to more sensible location
rsgowman Nov 1, 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
2 changes: 1 addition & 1 deletion src/main/java/com/google/firebase/auth/hash/Md5.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
public class Md5 extends RepeatableHash {

private Md5(Builder builder) {
super("MD5", 0, 120000, builder);
super("MD5", 0, 8192, builder);
}

public static Builder builder() {
Expand Down
2 changes: 1 addition & 1 deletion src/main/java/com/google/firebase/auth/hash/Sha1.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
public class Sha1 extends RepeatableHash {

private Sha1(Builder builder) {
super("SHA1", 0, 120000, builder);
super("SHA1", 1, 8192, builder);
}

public static Builder builder() {
Expand Down
2 changes: 1 addition & 1 deletion src/main/java/com/google/firebase/auth/hash/Sha256.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
public class Sha256 extends RepeatableHash {

private Sha256(Builder builder) {
super("SHA256", 0, 120000, builder);
super("SHA256", 1, 8192, builder);
}

public static Builder builder() {
Expand Down
2 changes: 1 addition & 1 deletion src/main/java/com/google/firebase/auth/hash/Sha512.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
public class Sha512 extends RepeatableHash {

private Sha512(Builder builder) {
super("SHA512", 0, 120000, builder);
super("SHA512", 1, 8192, builder);
}

public static Builder builder() {
Expand Down
34 changes: 27 additions & 7 deletions src/test/java/com/google/firebase/auth/hash/InvalidHashTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -48,17 +48,21 @@ public void testInvalidHmac() {

@Test
public void testInvalidRepeatableHash() {
// TODO(rsgowman): Once we can update to Java8, we could just do something like this instead of
// having all of the helpers:
// assertThrows(IllegalArgumentException.class, ()-> Md5.builder().setRounds(-1).build());

List<RepeatableHash.Builder> builders = ImmutableList.<RepeatableHash.Builder>builder()
.add(Sha512.builder().setRounds(-1))
.add(Sha256.builder().setRounds(-1))
.add(Sha1.builder().setRounds(-1))
.add(Sha512.builder().setRounds(0))
.add(Sha256.builder().setRounds(0))
.add(Sha1.builder().setRounds(0))
.add(Md5.builder().setRounds(-1))
.add(Pbkdf2Sha256.builder().setRounds(-1))
.add(PbkdfSha1.builder().setRounds(-1))
.add(Sha512.builder().setRounds(120001))
.add(Sha256.builder().setRounds(120001))
.add(Sha1.builder().setRounds(120001))
.add(Md5.builder().setRounds(120001))
.add(Sha512.builder().setRounds(8193))
.add(Sha256.builder().setRounds(8193))
.add(Sha1.builder().setRounds(8193))
.add(Md5.builder().setRounds(8193))
.add(Pbkdf2Sha256.builder().setRounds(120001))
.add(PbkdfSha1.builder().setRounds(120001))
.build();
Expand All @@ -72,6 +76,22 @@ public void testInvalidRepeatableHash() {
}
}

@Test
public void testValidRepeatableHash() {
Md5.builder().setRounds(0).build();
Md5.builder().setRounds(8192).build();
Sha1.builder().setRounds(1).build();
Sha1.builder().setRounds(8192).build();
Sha256.builder().setRounds(1).build();
Sha256.builder().setRounds(8192).build();
Sha512.builder().setRounds(1).build();
Sha512.builder().setRounds(8192).build();
PbkdfSha1.builder().setRounds(0).build();
PbkdfSha1.builder().setRounds(120000).build();
Pbkdf2Sha256.builder().setRounds(0).build();
Pbkdf2Sha256.builder().setRounds(120000).build();
}

@Test
public void testInvalidScrypt() {
List<Scrypt.Builder> builders = ImmutableList.of(
Expand Down