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8286908: ECDSA signature should not return parameters

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Reviewed-by: ascarpino, hchao, valeriep
This commit is contained in:
Weijun Wang 2022-05-23 13:34:23 +00:00
parent 689f80cbad
commit 8040aa0073
4 changed files with 73 additions and 49 deletions
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15
src/java.base/share/classes/sun/security/util/SignatureUtil.java
View file

@ -151,17 +151,10 @@ public class SignatureUtil {
createAlgorithmParameters(sigName, paramBytes);
paramSpec = RSAUtil.getParamSpec(params);
} else if (sigName.contains("ECDSA")) {
try {
Provider p = Signature.getInstance(sigName).getProvider();
paramSpec = ECUtil.getECParameterSpec(p, paramBytes);
} catch (Exception e) {
throw new ProviderException("Error handling EC parameters", e);
}
// ECUtil discards exception and returns null, so we need to check
// the returned value
if (paramSpec == null) {
throw new ProviderException("Error handling EC parameters");
}
// Some certificates have params in an ECDSA algorithmID.
// According to RFC 3279 2.2.3 and RFC 5758 3.2,
// they are useless and should be ignored.
return null;
} else {
throw new ProviderException
("Unrecognized algorithm for signature parameters " +

6
src/java.base/share/classes/sun/security/x509/AlgorithmId.java
View file

@ -213,10 +213,14 @@ public class AlgorithmId implements Serializable, DerEncoder {
|| algid.equals(ed25519_oid)
|| algid.equals(x448_oid)
|| algid.equals(x25519_oid)
|| algid.equals(SHA1withECDSA_oid)
|| algid.equals(SHA224withECDSA_oid)
|| algid.equals(SHA256withECDSA_oid)
|| algid.equals(SHA384withECDSA_oid)
|| algid.equals(SHA512withECDSA_oid)) {
// RFC 3279 2.2.3: When the ecdsa-with-SHA1 algorithm identifier
// appears as the algorithm field in an AlgorithmIdentifier,
// the encoding MUST omit the parameters field.
// RFC 4055 3.3: when an RSASSA-PSS key does not require
// parameter validation, field is absent.
// RFC 8410 3: for id-X25519, id-X448, id-Ed25519, and
@ -692,6 +696,8 @@ public class AlgorithmId implements Serializable, DerEncoder {
public static final ObjectIdentifier x448_oid =
ObjectIdentifier.of(KnownOIDs.X448);
public static final ObjectIdentifier SHA1withECDSA_oid =
ObjectIdentifier.of(KnownOIDs.SHA1withECDSA);
public static final ObjectIdentifier SHA224withECDSA_oid =
ObjectIdentifier.of(KnownOIDs.SHA224withECDSA);
public static final ObjectIdentifier SHA256withECDSA_oid =