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Create SHA-1 MessageDigest for every new check request in Compromised Password Checker #18235

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Merged
rwinch merged 1 commit into from
Jan 26, 2026
Merged

Create SHA-1 MessageDigest for every new check request in Compromised Password Checker #18235

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8 changes: 1 addition & 7 deletions ...gframework/security/web/authentication/password/HaveIBeenPwnedRestApiPasswordChecker.java
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Original file line number Diff line number Diff line change
Expand Up @@ -52,18 +52,12 @@ public final class HaveIBeenPwnedRestApiPasswordChecker implements CompromisedPa

private final Log logger = LogFactory.getLog(getClass());

private final MessageDigest sha1Digest;

private RestClient restClient = RestClient.builder().baseUrl(API_URL).build();

public HaveIBeenPwnedRestApiPasswordChecker() {
this.sha1Digest = getSha1Digest();
}

@Override
@NonNull
public CompromisedPasswordDecision check(String password) {
byte[] hash = this.sha1Digest.digest(password.getBytes(StandardCharsets.UTF_8));
byte[] hash = getSha1Digest().digest(password.getBytes(StandardCharsets.UTF_8));
String encoded = new String(Hex.encode(hash)).toUpperCase(Locale.ROOT);
String prefix = encoded.substring(0, PREFIX_LENGTH);
String suffix = encoded.substring(PREFIX_LENGTH);
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8 changes: 1 addition & 7 deletions ...rk/security/web/authentication/password/HaveIBeenPwnedRestApiReactivePasswordChecker.java
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Expand Up @@ -54,12 +54,6 @@ public class HaveIBeenPwnedRestApiReactivePasswordChecker implements ReactiveCom

private WebClient webClient = WebClient.builder().baseUrl(API_URL).build();

private final MessageDigest sha1Digest;

public HaveIBeenPwnedRestApiReactivePasswordChecker() {
this.sha1Digest = getSha1Digest();
}

@Override
public Mono<CompromisedPasswordDecision> check(String password) {
return getHash(password).map((hash) -> new String(Hex.encode(hash)))
Expand Down Expand Up @@ -95,7 +89,7 @@ public void setWebClient(WebClient webClient) {
}

private Mono<byte[]> getHash(String password) {
return Mono.fromSupplier(() -> this.sha1Digest.digest(password.getBytes(StandardCharsets.UTF_8)))
return Mono.fromSupplier(() -> getSha1Digest().digest(password.getBytes(StandardCharsets.UTF_8)))
.subscribeOn(Schedulers.boundedElastic())
.publishOn(Schedulers.parallel());
}
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