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Implement CertSignSignature and CertVerifySignature(Ex).

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This commit is contained in:
Juan Lang 2005-10-31 10:04:06 +00:00 committed by Alexandre Julliard
parent 274de441f7
commit 7e5a079d25
3 changed files with 382 additions and 2 deletions
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169
dlls/crypt32/cert.c
View file

@ -3142,6 +3142,175 @@ BOOL WINAPI CryptHashCertificate(HCRYPTPROV hCryptProv, ALG_ID Algid,
return ret;
}
BOOL WINAPI CryptSignCertificate(HCRYPTPROV hCryptProv, DWORD dwKeySpec,
DWORD dwCertEncodingType, const BYTE *pbEncodedToBeSigned,
DWORD cbEncodedToBeSigned, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
const void *pvHashAuxInfo, BYTE *pbSignature, DWORD *pcbSignature)
{
BOOL ret;
ALG_ID algID;
HCRYPTHASH hHash;
TRACE("(%08lx, %ld, %ld, %p, %ld, %p, %p, %p, %p)\n", hCryptProv,
dwKeySpec, dwCertEncodingType, pbEncodedToBeSigned, cbEncodedToBeSigned,
pSignatureAlgorithm, pvHashAuxInfo, pbSignature, pcbSignature);
algID = CertOIDToAlgId(pSignatureAlgorithm->pszObjId);
if (!algID)
{
SetLastError(NTE_BAD_ALGID);
return FALSE;
}
if (!hCryptProv)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
ret = CryptCreateHash(hCryptProv, algID, 0, 0, &hHash);
if (ret)
{
ret = CryptHashData(hHash, pbEncodedToBeSigned, cbEncodedToBeSigned, 0);
if (ret)
ret = CryptSignHashW(hHash, dwKeySpec, NULL, 0, pbSignature,
pcbSignature);
CryptDestroyHash(hHash);
}
return ret;
}
BOOL WINAPI CryptVerifyCertificateSignature(HCRYPTPROV hCryptProv,
DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
PCERT_PUBLIC_KEY_INFO pPublicKey)
{
return CryptVerifyCertificateSignatureEx(hCryptProv, dwCertEncodingType,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, (void *)pbEncoded,
CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, pPublicKey, 0, NULL);
}
BOOL WINAPI CryptVerifyCertificateSignatureEx(HCRYPTPROV hCryptProv,
DWORD dwCertEncodingType, DWORD dwSubjectType, void *pvSubject,
DWORD dwIssuerType, void *pvIssuer, DWORD dwFlags, void *pvReserved)
{
BOOL ret = TRUE;
CRYPT_DATA_BLOB subjectBlob;
TRACE("(%08lx, %ld, %ld, %p, %ld, %p, %08lx, %p)\n", hCryptProv,
dwCertEncodingType, dwSubjectType, pvSubject, dwIssuerType, pvIssuer,
dwFlags, pvReserved);
switch (dwSubjectType)
{
case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB:
{
PCRYPT_DATA_BLOB blob = (PCRYPT_DATA_BLOB)pvSubject;
subjectBlob.pbData = blob->pbData;
subjectBlob.cbData = blob->cbData;
break;
}
case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT:
{
PCERT_CONTEXT context = (PCERT_CONTEXT)pvSubject;
subjectBlob.pbData = context->pbCertEncoded;
subjectBlob.cbData = context->cbCertEncoded;
break;
}
case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL:
{
PCRL_CONTEXT context = (PCRL_CONTEXT)pvSubject;
subjectBlob.pbData = context->pbCrlEncoded;
subjectBlob.cbData = context->cbCrlEncoded;
break;
}
default:
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
if (ret)
{
PCERT_SIGNED_CONTENT_INFO signedCert = NULL;
DWORD size = 0;
ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
subjectBlob.pbData, subjectBlob.cbData,
CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
(BYTE *)&signedCert, &size);
if (ret)
{
switch (dwIssuerType)
{
case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY:
{
PCERT_PUBLIC_KEY_INFO pubKeyInfo =
(PCERT_PUBLIC_KEY_INFO)pvIssuer;
ALG_ID algID = CertOIDToAlgId(pubKeyInfo->Algorithm.pszObjId);
if (algID)
{
HCRYPTKEY key;
ret = CryptImportPublicKeyInfoEx(hCryptProv,
dwCertEncodingType, pubKeyInfo, algID, 0, NULL, &key);
if (ret)
{
HCRYPTHASH hash;
ret = CryptCreateHash(hCryptProv, algID, 0, 0, &hash);
if (ret)
{
ret = CryptHashData(hash,
signedCert->ToBeSigned.pbData,
signedCert->ToBeSigned.cbData, 0);
if (ret)
{
ret = CryptVerifySignatureW(hash,
signedCert->Signature.pbData,
signedCert->Signature.cbData, key, NULL, 0);
}
CryptDestroyHash(hash);
}
CryptDestroyKey(key);
}
}
else
{
SetLastError(NTE_BAD_ALGID);
ret = FALSE;
}
break;
}
case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT:
case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN:
FIXME("issuer type %ld: stub\n", dwIssuerType);
ret = FALSE;
break;
case CRYPT_VERIFY_CERT_SIGN_ISSUER_NULL:
if (pvIssuer)
{
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
else
{
FIXME("unimplemented for NULL signer\n");
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
break;
default:
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
LocalFree(signedCert);
}
}
return ret;
}
HCRYPTOIDFUNCSET WINAPI CryptInitOIDFunctionSet(LPCSTR pszFuncName, DWORD dwFlags)
{
FIXME("stub: %s %lx\n", debugstr_a(pszFuncName), dwFlags);

5
dlls/crypt32/crypt32.spec
View file

@ -149,7 +149,7 @@
@ stub CryptSetProviderU
@ stub CryptSignAndEncodeCertificate
@ stub CryptSignAndEncryptMessage
@ stub CryptSignCertificate
@ stdcall CryptSignCertificate(long long long ptr long ptr ptr ptr ptr)
@ stub CryptSignHashU
@ stub CryptSignMessage
@ stub CryptSignMessageWithKey
@ -157,7 +157,8 @@
@ stdcall CryptUnregisterDefaultOIDFunction(long str wstr)
@ stdcall CryptUnregisterOIDFunction(long str str)
@ stub CryptUnregisterOIDInfo
@ stub CryptVerifyCertificateSignature
@ stdcall CryptVerifyCertificateSignature(long long ptr long ptr)
@ stdcall CryptVerifyCertificateSignatureEx(long long long ptr long ptr long ptr)
@ stub CryptVerifyDetachedMessageHash
@ stub CryptVerifyDetachedMessageSignature
@ stub CryptVerifyMessageHash

210
dlls/crypt32/tests/cert.c
View file

@ -1349,6 +1349,214 @@ static void testAddSerialized(void)
CertCloseStore(store, 0);
}
static const char cspName[] = "WineCryptTemp";
static void verifySig(HCRYPTPROV csp, const BYTE *toSign, size_t toSignLen,
const BYTE *sig, size_t sigLen)
{
HCRYPTHASH hash;
BOOL ret = CryptCreateHash(csp, CALG_SHA1, 0, 0, &hash);
ok(ret, "CryptCreateHash failed: %08lx\n", GetLastError());
if (ret)
{
BYTE mySig[64];
DWORD mySigSize = sizeof(mySig);
ret = CryptHashData(hash, toSign, toSignLen, 0);
ok(ret, "CryptHashData failed: %08lx\n", GetLastError());
/* use the A variant so the test can run on Win9x */
ret = CryptSignHashA(hash, AT_SIGNATURE, NULL, 0, mySig, &mySigSize);
ok(ret, "CryptSignHash failed: %08lx\n", GetLastError());
if (ret)
{
ok(mySigSize == sigLen, "Expected sig length %d, got %ld\n",
sigLen, mySigSize);
ok(!memcmp(mySig, sig, sigLen), "Unexpected signature\n");
}
CryptDestroyHash(hash);
}
}
/* Tests signing the certificate described by toBeSigned with the CSP passed in,
* using the algorithm with OID sigOID. The CSP is assumed to be empty, and a
* keyset named AT_SIGNATURE will be added to it. The signing key will be
* stored in *key, and the signature will be stored in sig. sigLen should be
* at least 64 bytes.
*/
static void testSignCert(HCRYPTPROV csp, const CRYPT_DATA_BLOB *toBeSigned,
LPCSTR sigOID, HCRYPTKEY *key, BYTE *sig, DWORD *sigLen)
{
BOOL ret;
DWORD size = 0;
CRYPT_ALGORITHM_IDENTIFIER algoID = { NULL, { 0, NULL } };
/* These all crash
ret = CryptSignCertificate(0, 0, 0, NULL, 0, NULL, NULL, NULL, NULL);
ret = CryptSignCertificate(0, 0, 0, NULL, 0, NULL, NULL, NULL, &size);
ret = CryptSignCertificate(0, 0, 0, toBeSigned->pbData, toBeSigned->cbData,
NULL, NULL, NULL, &size);
*/
ret = CryptSignCertificate(0, 0, 0, toBeSigned->pbData, toBeSigned->cbData,
&algoID, NULL, NULL, &size);
ok(!ret && GetLastError() == NTE_BAD_ALGID,
"Expected NTE_BAD_ALGID, got %08lx\n", GetLastError());
algoID.pszObjId = (LPSTR)sigOID;
ret = CryptSignCertificate(0, 0, 0, toBeSigned->pbData, toBeSigned->cbData,
&algoID, NULL, NULL, &size);
ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
"Expected ERROR_INVALID_PARAMETER, got %08lx\n", GetLastError());
ret = CryptSignCertificate(0, AT_SIGNATURE, 0, toBeSigned->pbData,
toBeSigned->cbData, &algoID, NULL, NULL, &size);
ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
"Expected ERROR_INVALID_PARAMETER, got %08lx\n", GetLastError());
/* No keys exist in the new CSP yet.. */
ret = CryptSignCertificate(csp, AT_SIGNATURE, 0, toBeSigned->pbData,
toBeSigned->cbData, &algoID, NULL, NULL, &size);
ok(!ret && (GetLastError() == NTE_BAD_KEYSET || GetLastError() ==
NTE_NO_KEY), "Expected NTE_BAD_KEYSET or NTE_NO_KEY, got %08lx\n",
GetLastError());
ret = CryptGenKey(csp, AT_SIGNATURE, 0, key);
ok(ret, "CryptGenKey failed: %08lx\n", GetLastError());
if (ret)
{
ret = CryptSignCertificate(csp, AT_SIGNATURE, 0, toBeSigned->pbData,
toBeSigned->cbData, &algoID, NULL, NULL, &size);
ok(ret, "CryptSignCertificate failed: %08lx\n", GetLastError());
ok(size <= *sigLen, "Expected size <= %ld, got %ld\n", *sigLen, size);
if (ret)
{
ret = CryptSignCertificate(csp, AT_SIGNATURE, 0, toBeSigned->pbData,
toBeSigned->cbData, &algoID, NULL, sig, &size);
ok(ret, "CryptSignCertificate failed: %08lx\n", GetLastError());
if (ret)
{
*sigLen = size;
verifySig(csp, toBeSigned->pbData, toBeSigned->cbData, sig,
size);
}
}
}
}
static void testVerifyCertSig(HCRYPTPROV csp, const CRYPT_DATA_BLOB *toBeSigned,
LPCSTR sigOID, const BYTE *sig, DWORD sigLen)
{
CERT_SIGNED_CONTENT_INFO info;
LPBYTE cert = NULL;
DWORD size = 0;
BOOL ret;
ret = CryptVerifyCertificateSignatureEx(0, 0, 0, NULL, 0, NULL, 0, NULL);
ok(!ret && GetLastError() == HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER),
"Expected HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER), got %08lx\n",
GetLastError());
ret = CryptVerifyCertificateSignatureEx(csp, 0, 0, NULL, 0, NULL, 0, NULL);
ok(!ret && GetLastError() == HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER),
"Expected HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER), got %08lx\n",
GetLastError());
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING, 0, NULL, 0,
NULL, 0, NULL);
ok(!ret && GetLastError() == HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER),
"Expected HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER), got %08lx\n",
GetLastError());
/* This crashes
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, NULL, 0, NULL, 0, NULL);
*/
info.ToBeSigned.cbData = toBeSigned->cbData;
info.ToBeSigned.pbData = toBeSigned->pbData;
info.SignatureAlgorithm.pszObjId = (LPSTR)sigOID;
info.SignatureAlgorithm.Parameters.cbData = 0;
info.Signature.cbData = sigLen;
info.Signature.pbData = (BYTE *)sig;
info.Signature.cUnusedBits = 0;
ret = CryptEncodeObjectEx(X509_ASN_ENCODING, X509_CERT, &info,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&cert, &size);
ok(ret, "CryptEncodeObjectEx failed: %08lx\n", GetLastError());
if (cert)
{
CRYPT_DATA_BLOB certBlob = { 0, NULL };
PCERT_PUBLIC_KEY_INFO pubKeyInfo = NULL;
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, &certBlob, 0, NULL, 0, NULL);
ok(!ret && GetLastError() == CRYPT_E_ASN1_EOD,
"Expected CRYPT_E_ASN1_EOD, got %08lx\n", GetLastError());
certBlob.cbData = 1;
certBlob.pbData = (void *)0xdeadbeef;
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, &certBlob, 0, NULL, 0, NULL);
ok(!ret && GetLastError() == STATUS_ACCESS_VIOLATION,
"Expected STATUS_ACCESS_VIOLATION, got %08lx\n", GetLastError());
certBlob.cbData = size;
certBlob.pbData = cert;
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, &certBlob, 0, NULL, 0, NULL);
ok(!ret && GetLastError() ==
HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER),
"Expected HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER), got %08lx\n",
GetLastError());
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, &certBlob,
CRYPT_VERIFY_CERT_SIGN_ISSUER_NULL, NULL, 0, NULL);
ok(!ret && GetLastError() ==
HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER),
"Expected HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER), got %08lx\n",
GetLastError());
/* This crashes
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, &certBlob,
CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, NULL, 0, NULL);
*/
CryptExportPublicKeyInfoEx(csp, AT_SIGNATURE, X509_ASN_ENCODING,
(LPSTR)sigOID, 0, NULL, NULL, &size);
pubKeyInfo = HeapAlloc(GetProcessHeap(), 0, size);
if (pubKeyInfo)
{
ret = CryptExportPublicKeyInfoEx(csp, AT_SIGNATURE,
X509_ASN_ENCODING, (LPSTR)sigOID, 0, NULL, pubKeyInfo, &size);
ok(ret, "CryptExportKey failed: %08lx\n", GetLastError());
if (ret)
{
ret = CryptVerifyCertificateSignatureEx(csp, X509_ASN_ENCODING,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, &certBlob,
CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, pubKeyInfo, 0, NULL);
ok(ret, "CryptVerifyCertificateSignatureEx failed: %08lx\n",
GetLastError());
}
HeapFree(GetProcessHeap(), 0, pubKeyInfo);
}
LocalFree(cert);
}
}
static void testCertSigs(void)
{
HCRYPTPROV csp;
CRYPT_DATA_BLOB toBeSigned = { sizeof(emptyCert), (LPBYTE)emptyCert };
BOOL ret;
HCRYPTKEY key;
BYTE sig[64];
DWORD sigSize = sizeof(sig);
/* Just in case a previous run failed, delete this thing */
CryptAcquireContextA(&csp, cspName, MS_DEF_PROV, PROV_RSA_FULL,
CRYPT_DELETEKEYSET);
ret = CryptAcquireContextA(&csp, cspName, MS_DEF_PROV, PROV_RSA_FULL,
CRYPT_NEWKEYSET);
ok(ret, "CryptAcquireContext failed: %08lx\n", GetLastError());
testSignCert(csp, &toBeSigned, szOID_RSA_SHA1RSA, &key, sig, &sigSize);
testVerifyCertSig(csp, &toBeSigned, szOID_RSA_SHA1RSA, sig, sigSize);
CryptDestroyKey(key);
CryptReleaseContext(csp, 0);
ret = CryptAcquireContextA(&csp, cspName, MS_DEF_PROV, PROV_RSA_FULL,
CRYPT_DELETEKEYSET);
}
START_TEST(cert)
{
testCryptHashCert();
@ -1364,4 +1572,6 @@ START_TEST(cert)
testCertProperties();
testAddSerialized();
testCertSigs();
}