use of org.mozilla.jss.crypto.SignatureAlgorithm in project jss by dogtagpki.
the class CertReqMsg method verify.
public void verify(CryptoToken token) throws SignatureException, InvalidKeyFormatException, NoSuchAlgorithmException, org.mozilla.jss.NotInitializedException, TokenException, java.security.InvalidKeyException, IOException {
ProofOfPossession.Type type = pop.getType();
if (type == ProofOfPossession.SIGNATURE) {
POPOSigningKey sigkey = pop.getSignature();
AlgorithmIdentifier alg = sigkey.getAlgorithmIdentifier();
BIT_STRING sig_from = sigkey.getSignature();
ByteArrayOutputStream bo = new ByteArrayOutputStream();
certReq.encode(bo);
byte[] toBeVerified = bo.toByteArray();
PublicKey pubkey = null;
CertTemplate ct = certReq.getCertTemplate();
if (ct.hasPublicKey()) {
SubjectPublicKeyInfo spi = ct.getPublicKey();
pubkey = spi.toPublicKey();
}
SignatureAlgorithm sigAlg = SignatureAlgorithm.fromOID(alg.getOID());
Signature sig = token.getSignatureContext(sigAlg);
sig.initVerify(pubkey);
sig.update(toBeVerified);
if (sig.verify(sig_from.getBits())) {
// success
return;
} else {
throw new SignatureException("Signed request information does not " + "match signature in POP");
}
} else if (type == ProofOfPossession.KEY_ENCIPHERMENT) {
POPOPrivKey keyEnc = pop.getKeyEncipherment();
POPOPrivKey.Type ptype = keyEnc.getType();
if (ptype == POPOPrivKey.THIS_MESSAGE) {
// BIT_STRING thisMessage = keyEnc.getThisMessage();
// This should be the same as from the archive control
// It's verified by DRM.
} else if (ptype == POPOPrivKey.SUBSEQUENT_MESSAGE) {
new ChallengeResponseException("requested");
}
}
}
use of org.mozilla.jss.crypto.SignatureAlgorithm in project jss by dogtagpki.
the class SignerInfo method verifyWithAuthenticatedAttributes.
/**
* Verifies a SignerInfo with authenticated attributes. If authenticated
* attributes are present, then two particular attributes must
* be present: <ul>
* <li>PKCS #9 Content-Type, the type of content that is being signed.
* This must match the contentType parameter.
* <li>PKCS #9 Message-Digest, the digest of the content that is being
* signed. This must match the messageDigest parameter.
* </ul>
* After these two attributes are verified to be both present and correct,
* the encryptedDigest field of the SignerInfo is verified to be the
* signature of the contents octets of the DER encoding of the
* authenticatedAttributes field.
*/
private void verifyWithAuthenticatedAttributes(byte[] messageDigest, OBJECT_IDENTIFIER contentType, PublicKey pubkey) throws NotInitializedException, NoSuchAlgorithmException, InvalidKeyException, TokenException, SignatureException {
int numAttrib = authenticatedAttributes.size();
if (numAttrib < 2) {
throw new SignatureException("At least two authenticated attributes must be present:" + " content-type and message-digest");
}
// go through the authenticated attributes, verifying the
// interesting ones
boolean foundContentType = false;
boolean foundMessageDigest = false;
for (int i = 0; i < numAttrib; i++) {
if (!(authenticatedAttributes.elementAt(i) instanceof Attribute)) {
throw new SignatureException("Element of authenticatedAttributes is not an Attribute");
}
Attribute attrib = (Attribute) authenticatedAttributes.elementAt(i);
if (attrib.getType().equals(CONTENT_TYPE)) {
// content-type. Compare with what was passed in.
SET vals = attrib.getValues();
if (vals.size() != 1) {
throw new SignatureException("Content-Type attribute " + " does not have exactly one value");
}
ASN1Value val = vals.elementAt(0);
OBJECT_IDENTIFIER ctype;
try {
if (val instanceof OBJECT_IDENTIFIER) {
ctype = (OBJECT_IDENTIFIER) val;
} else if (val instanceof ANY) {
ctype = (OBJECT_IDENTIFIER) ((ANY) val).decodeWith(OBJECT_IDENTIFIER.getTemplate());
} else {
// what the heck is it? not what it's supposed to be
throw new InvalidBERException("Content-Type authenticated attribute has unexpected" + " content type");
}
} catch (InvalidBERException e) {
throw new SignatureException("Content-Type authenticated attribute does not have " + "OBJECT IDENTIFIER value");
}
// contentType parameter
if (!ctype.equals(contentType)) {
throw new SignatureException("Content-type in authenticated attributes does not " + "match content-type being verified");
}
// content type is A-OK
foundContentType = true;
} else if (attrib.getType().equals(MESSAGE_DIGEST)) {
SET vals = attrib.getValues();
if (vals.size() != 1) {
throw new SignatureException("Message-digest attribute does not have" + " exactly one value");
}
ASN1Value val = vals.elementAt(0);
byte[] mdigest;
try {
if (val instanceof OCTET_STRING) {
mdigest = ((OCTET_STRING) val).toByteArray();
} else if (val instanceof ANY) {
OCTET_STRING os;
os = (OCTET_STRING) ((ANY) val).decodeWith(OCTET_STRING.getTemplate());
mdigest = os.toByteArray();
} else {
// what the heck is it? not what it's supposed to be
throw new InvalidBERException("Content-Type authenticated attribute has unexpected" + " content type");
}
} catch (InvalidBERException e) {
throw new SignatureException("Message-digest attribute does not" + " have OCTET STRING value");
}
// message digest being verified
if (!byteArraysAreSame(mdigest, messageDigest)) {
throw new SignatureException("Message-digest attribute does not" + " match message digest being verified");
}
// message digest is A-OK
foundMessageDigest = true;
}
// we don't care about other attributes
}
if (!foundContentType) {
throw new SignatureException("Authenticated attributes does not contain" + " PKCS #9 content-type attribute");
}
if (!foundMessageDigest) {
throw new SignatureException("Authenticate attributes does not contain" + " PKCS #9 message-digest attribute");
}
SignatureAlgorithm sigAlg = SignatureAlgorithm.fromOID(digestEncryptionAlgorithm.getOID());
// All the authenticated attributes are present and correct.
// Now verify the signature.
CryptoToken token = CryptoManager.getInstance().getInternalCryptoToken();
Signature sig = token.getSignatureContext(sigAlg);
sig.initVerify(pubkey);
// verify the contents octets of the DER encoded authenticated attribs
byte[] toBeDigested;
toBeDigested = ASN1Util.encode(authenticatedAttributes);
MessageDigest md = MessageDigest.getInstance(DigestAlgorithm.fromOID(digestAlgorithm.getOID()).toString());
byte[] digest = md.digest(toBeDigested);
byte[] toBeVerified;
if (sigAlg.getRawAlg() == SignatureAlgorithm.RSASignature) {
// create DigestInfo structure
SEQUENCE digestInfo = new SEQUENCE();
digestInfo.addElement(new AlgorithmIdentifier(digestAlgorithm.getOID(), null));
digestInfo.addElement(new OCTET_STRING(digest));
toBeVerified = ASN1Util.encode(digestInfo);
} else {
toBeVerified = digest;
}
sig.update(toBeVerified);
if (!sig.verify(encryptedDigest.toByteArray())) {
// signature is invalid
throw new SignatureException("encryptedDigest was not the correct" + " signature of the contents octets of the DER-encoded" + " authenticated attributes");
}
// SUCCESSFULLY VERIFIED
}
use of org.mozilla.jss.crypto.SignatureAlgorithm in project jss by dogtagpki.
the class SignerInfo method verifyWithoutSignedAttributes.
/**
* Verifies that the message digest passed in, when encrypted with the
* given public key, matches the encrypted digest in the SignerInfo.
*/
private void verifyWithoutSignedAttributes(byte[] messageDigest, OBJECT_IDENTIFIER contentType, PublicKey pubkey) throws NotInitializedException, NoSuchAlgorithmException, InvalidKeyException, TokenException, SignatureException {
if (!contentType.equals(ContentInfo.DATA)) {
// to go into signedAttributes.
throw new SignatureException("Content-Type is not DATA, but there are" + " no signed attributes");
}
SignatureAlgorithm sigAlg = SignatureAlgorithm.fromOID(digestEncryptionAlgorithm.getOID());
CryptoToken token = CryptoManager.getInstance().getInternalCryptoToken();
Signature sig;
byte[] toBeVerified;
if (sigAlg.getRawAlg() == SignatureAlgorithm.RSASignature) {
// create DigestInfo structure
SEQUENCE digestInfo = createDigestInfo(messageDigest, false);
toBeVerified = ASN1Util.encode(digestInfo);
sig = token.getSignatureContext(sigAlg.getRawAlg());
} else {
toBeVerified = messageDigest;
sig = token.getSignatureContext(sigAlg);
}
sig.initVerify(pubkey);
sig.update(toBeVerified);
if (sig.verify(encryptedDigest.toByteArray())) {
// success
return;
} else {
throw new SignatureException("Encrypted message digest parameter does not " + "match encrypted digest in SignerInfo");
}
}
use of org.mozilla.jss.crypto.SignatureAlgorithm in project jss by dogtagpki.
the class SignerInfo method verifyWithoutAuthenticatedAttributes.
/**
* Verifies that the message digest passed in, when encrypted with the
* given public key, matches the encrypted digest in the SignerInfo.
*/
private void verifyWithoutAuthenticatedAttributes(byte[] messageDigest, OBJECT_IDENTIFIER contentType, PublicKey pubkey) throws NotInitializedException, NoSuchAlgorithmException, InvalidKeyException, TokenException, SignatureException {
if (!contentType.equals(ContentInfo.DATA)) {
// to go into authenticatedAttributes.
throw new SignatureException("Content-Type is not DATA, but there are" + " no authenticated attributes");
}
SignatureAlgorithm sigAlg = SignatureAlgorithm.fromOID(digestEncryptionAlgorithm.getOID());
byte[] toBeVerified;
if (sigAlg.getRawAlg() == SignatureAlgorithm.RSASignature) {
// create DigestInfo structure
SEQUENCE digestInfo = new SEQUENCE();
digestInfo.addElement(new AlgorithmIdentifier(digestAlgorithm.getOID(), null));
digestInfo.addElement(new OCTET_STRING(messageDigest));
toBeVerified = ASN1Util.encode(digestInfo);
} else {
toBeVerified = messageDigest;
}
CryptoToken token = CryptoManager.getInstance().getInternalCryptoToken();
Signature sig = token.getSignatureContext(sigAlg);
sig.initVerify(pubkey);
sig.update(toBeVerified);
if (sig.verify(encryptedDigest.toByteArray())) {
// success
return;
} else {
throw new SignatureException("Encrypted message digest parameter does not " + "match encrypted digest in SignerInfo");
}
}
use of org.mozilla.jss.crypto.SignatureAlgorithm in project jss by dogtagpki.
the class SignerInfo method verifyWithSignedAttributes.
/**
* Verifies a SignerInfo with signed attributes. If signed
* attributes are present, then two particular attributes must
* be present: <ul>
* <li>PKCS #9 Content-Type, the type of content that is being signed.
* This must match the contentType parameter.
* <li>PKCS #9 Message-Digest, the digest of the content that is being
* signed. This must match the messageDigest parameter.
* </ul>
* After these two attributes are verified to be both present and correct,
* the encryptedDigest field of the SignerInfo is verified to be the
* signature of the contents octets of the DER encoding of the
* signedAttributes field.
*/
private void verifyWithSignedAttributes(byte[] messageDigest, OBJECT_IDENTIFIER contentType, PublicKey pubkey) throws NotInitializedException, NoSuchAlgorithmException, InvalidKeyException, TokenException, SignatureException {
int numAttrib = signedAttributes.size();
if (numAttrib < 2) {
throw new SignatureException("At least two signed attributes must be present:" + " content-type and message-digest");
}
// go through the signed attributes, verifying the
// interesting ones
boolean foundContentType = false;
boolean foundMessageDigest = false;
for (int i = 0; i < numAttrib; i++) {
if (!(signedAttributes.elementAt(i) instanceof Attribute)) {
throw new SignatureException("Element of signedAttributes is not an Attribute");
}
Attribute attrib = (Attribute) signedAttributes.elementAt(i);
if (attrib.getType().equals(CONTENT_TYPE)) {
// content-type. Compare with what was passed in.
SET vals = attrib.getValues();
if (vals.size() != 1) {
throw new SignatureException("Content-Type attribute " + " does not have exactly one value");
}
ASN1Value val = vals.elementAt(0);
OBJECT_IDENTIFIER ctype;
try {
if (val instanceof OBJECT_IDENTIFIER) {
ctype = (OBJECT_IDENTIFIER) val;
} else if (val instanceof ANY) {
ctype = (OBJECT_IDENTIFIER) ((ANY) val).decodeWith(OBJECT_IDENTIFIER.getTemplate());
} else {
// what the heck is it? not what it's supposed to be
throw new InvalidBERException("Content-Type signed attribute has unexpected" + " content type");
}
} catch (InvalidBERException e) {
throw new SignatureException("Content-Type signed attribute does not have " + "OBJECT IDENTIFIER value");
}
// contentType parameter
if (!ctype.equals(contentType)) {
throw new SignatureException("Content-type in signed attributes does not " + "match content-type being verified");
}
// content type is A-OK
foundContentType = true;
} else if (attrib.getType().equals(MESSAGE_DIGEST)) {
SET vals = attrib.getValues();
if (vals.size() != 1) {
throw new SignatureException("Message-digest attribute does not have" + " exactly one value");
}
ASN1Value val = vals.elementAt(0);
byte[] mdigest;
try {
if (val instanceof OCTET_STRING) {
mdigest = ((OCTET_STRING) val).toByteArray();
} else if (val instanceof ANY) {
OCTET_STRING os;
os = (OCTET_STRING) ((ANY) val).decodeWith(OCTET_STRING.getTemplate());
mdigest = os.toByteArray();
} else {
// what the heck is it? not what it's supposed to be
throw new InvalidBERException("Content-Type signed attribute has unexpected" + " content type");
}
} catch (InvalidBERException e) {
throw new SignatureException("Message-digest attribute does not" + " have OCTET STRING value");
}
// message digest being verified
if (!byteArraysAreSame(mdigest, messageDigest)) {
throw new SignatureException("Message-digest attribute does not" + " match message digest being verified");
}
// message digest is A-OK
foundMessageDigest = true;
}
// we don't care about other attributes
}
if (!foundContentType) {
throw new SignatureException("Signed attributes does not contain" + " PKCS #9 content-type attribute");
}
if (!foundMessageDigest) {
throw new SignatureException("Signed attributes does not contain" + " PKCS #9 message-digest attribute");
}
SignatureAlgorithm sigAlg = SignatureAlgorithm.fromOID(digestEncryptionAlgorithm.getOID());
// All the signed attributes are present and correct.
// Now verify the signature.
CryptoToken token = CryptoManager.getInstance().getInternalCryptoToken();
Signature sig;
// verify the contents octets of the DER encoded signed attribs
byte[] encoding = ASN1Util.encode(signedAttributes);
byte[] toBeVerified;
if (sigAlg.getRawAlg() == SignatureAlgorithm.RSASignature) {
// create DigestInfo structure
SEQUENCE digestInfo = createDigestInfo(encoding, true);
toBeVerified = ASN1Util.encode(digestInfo);
sig = token.getSignatureContext(SignatureAlgorithm.RSASignature);
} else {
toBeVerified = encoding;
sig = token.getSignatureContext(sigAlg);
}
sig.initVerify(pubkey);
sig.update(toBeVerified);
if (!sig.verify(encryptedDigest.toByteArray())) {
// signature is invalid
throw new SignatureException("encryptedDigest was not the correct" + " signature of the contents octets of the DER-encoded" + " signed attributes");
}
// SUCCESSFULLY VERIFIED
}
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