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Merge branch '6.3.x' into 6.4.x

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Closes gh-16951
This commit is contained in:
Joe Grandja 2025-04-17 05:17:38 -04:00
commit cb60d8b3ed
2 changed files with 28 additions and 6 deletions
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3
crypto/src/main/java/org/springframework/security/crypto/bcrypt/BCrypt.java
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@ -611,7 +611,8 @@ public class BCrypt {
int rounds, off;
StringBuilder rs = new StringBuilder();
if (passwordb.length > 72) {
// Enforce max length for new passwords only
if (!for_check && passwordb.length > 72) {
throw new IllegalArgumentException("password cannot be more than 72 bytes");
}
if (salt == null) {

31
crypto/src/test/java/org/springframework/security/crypto/bcrypt/BCryptPasswordEncoderTests.java
View File

@ -223,13 +223,34 @@ public class BCryptPasswordEncoderTests {
}
@Test
public void enforcePasswordLength() {
public void encodeWhenPasswordOverMaxLengthThenThrowIllegalArgumentException() {
BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
String password72chars = "123456789012345678901234567890123456789012345678901234567890123456789012";
assertThat(encoder.matches(password72chars, encoder.encode(password72chars))).isTrue();
String password73chars = password72chars.concat("a");
assertThatIllegalArgumentException()
.isThrownBy(() -> encoder.matches(password73chars, encoder.encode(password73chars)));
encoder.encode(password72chars);
String password73chars = password72chars + "3";
assertThatIllegalArgumentException().isThrownBy(() -> encoder.encode(password73chars));
}
@Test
public void matchesWhenPasswordOverMaxLengthThenAllowToMatch() {
BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
String password71chars = "12345678901234567890123456789012345678901234567890123456789012345678901";
String encodedPassword71chars = "$2a$10$jx3x2FaF.iX5QZ9i3O424Os2Ou5P5JrnedmWYHuDyX8JKA4Unp4xq";
assertThat(encoder.matches(password71chars, encodedPassword71chars)).isTrue();
String password72chars = password71chars + "2";
String encodedPassword72chars = "$2a$10$oXYO6/UvbsH5rQEraBkl6uheccBqdB3n.RaWbrimog9hS2GX4lo/O";
assertThat(encoder.matches(password72chars, encodedPassword72chars)).isTrue();
// Max length is 72 bytes, however, we need to ensure backwards compatibility
// for previously encoded passwords that are greater than 72 bytes and allow the
// match to be performed.
String password73chars = password72chars + "3";
String encodedPassword73chars = "$2a$10$1l9.kvQTsqNLiCYFqmKtQOHkp.BrgIrwsnTzWo9jdbQRbuBYQ/AVK";
assertThat(encoder.matches(password73chars, encodedPassword73chars)).isTrue();
}
}