static int sc_hsm_C_Sign(struct p11Object_t *pObject, CK_MECHANISM_TYPE mech, CK_BYTE_PTR pData, CK_ULONG ulDataLen, CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen)
{
int rc, algo, signaturelen;
unsigned short SW1SW2;
unsigned char scr[256];
FUNC_CALLED();
rc = getSignatureSize(mech, pObject);
if (rc < 0) {
FUNC_FAILS(CKR_MECHANISM_INVALID, "Unknown mechanism");
}
signaturelen = rc;
if (pSignature == NULL) {
*pulSignatureLen = signaturelen;
FUNC_RETURNS(CKR_OK);
}
if (*pulSignatureLen < signaturelen) {
*pulSignatureLen = signaturelen;
FUNC_FAILS(CKR_BUFFER_TOO_SMALL, "Signature length is larger than buffer");
}
algo = getAlgorithmIdForSigning(mech);
if (algo < 0) {
FUNC_FAILS(CKR_MECHANISM_INVALID, "Mechanism not supported");
}
if ((algo == ALGO_EC_RAW) || (algo == ALGO_EC_SHA1)) {
rc = transmitAPDU(pObject->token->slot, 0x80, 0x68, (unsigned char)pObject->tokenid, (unsigned char)algo,
ulDataLen, pData,
0, scr, sizeof(scr), &SW1SW2);
} else {
if (mech == CKM_RSA_PKCS) {
if (signaturelen > sizeof(scr)) {
FUNC_FAILS(CKR_BUFFER_TOO_SMALL, "Signature length is larger than buffer");
}
applyPKCSPadding(pData, ulDataLen, scr, signaturelen);
rc = transmitAPDU(pObject->token->slot, 0x80, 0x68, (unsigned char)pObject->tokenid, (unsigned char)algo,
signaturelen, scr,
0, pSignature, *pulSignatureLen, &SW1SW2);
} else {
rc = transmitAPDU(pObject->token->slot, 0x80, 0x68, (unsigned char)pObject->tokenid, (unsigned char)algo,
ulDataLen, pData,
0, pSignature, *pulSignatureLen, &SW1SW2);
}
}
if (rc < 0) {
FUNC_FAILS(CKR_DEVICE_ERROR, "transmitAPDU failed");
}
if (SW1SW2 != 0x9000) {
FUNC_FAILS(CKR_DEVICE_ERROR, "Signature operation failed");
}
if ((algo == ALGO_EC_RAW) || (algo == ALGO_EC_SHA1)) {
rc = decodeECDSASignature(scr, rc, pSignature, *pulSignatureLen);
if (rc < 0) {
FUNC_FAILS(CKR_BUFFER_TOO_SMALL, "supplied buffer too small");
}
}
*pulSignatureLen = rc;
FUNC_RETURNS(CKR_OK);
}
static int starcos_C_Sign(struct p11Object_t *pObject, CK_MECHANISM_TYPE mech, CK_BYTE_PTR pData, CK_ULONG ulDataLen, CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen)
{
int rc, len, signaturelen;
unsigned short SW1SW2;
unsigned char scr[256],*s, *d;
struct p11Slot_t *slot;
FUNC_CALLED();
rc = getSignatureSize(mech, pObject);
if (rc < 0) {
FUNC_FAILS(CKR_MECHANISM_INVALID, "Unknown mechanism");
}
signaturelen = rc;
if (pSignature == NULL) {
*pulSignatureLen = signaturelen;
FUNC_RETURNS(CKR_OK);
}
if (*pulSignatureLen < (CK_ULONG)signaturelen) {
*pulSignatureLen = signaturelen;
FUNC_FAILS(CKR_BUFFER_TOO_SMALL, "Signature length is larger than buffer");
}
slot = pObject->token->slot;
starcosLock(pObject->token);
if (!slot->token) {
FUNC_RETURNS(CKR_DEVICE_REMOVED);
}
rc = starcosSelectApplication(pObject->token);
if (rc < 0) {
starcosUnlock(pObject->token);
FUNC_FAILS(CKR_DEVICE_ERROR, "selecting application failed");
}
if ((mech != CKM_RSA_PKCS) && (mech != CKM_ECDSA) && (mech != CKM_ECDSA_SHA1) &&
(mech != CKM_SC_HSM_PSS_SHA1) && (mech != CKM_SC_HSM_PSS_SHA224) &&
(mech != CKM_SC_HSM_PSS_SHA256) && (mech != CKM_SC_HSM_PSS_SHA384) && (mech != CKM_SC_HSM_PSS_SHA512)) {
rc = starcosDigest(pObject->token, mech, pData, ulDataLen);
if (rc != CKR_OK) {
starcosUnlock(pObject->token);
FUNC_FAILS(rc, "digesting failed");
}
pData = NULL;
ulDataLen = 0;
}
rc = getAlgorithmIdForSigning(pObject->token, mech, &s);
if (rc != CKR_OK) {
starcosUnlock(pObject->token);
FUNC_FAILS(rc, "getAlgorithmIdForSigning() failed");
}
d = scr;
*d++ = *s++;
len = *s;
*d++ = *s++;
while (len--) {
*d++ = *s++;
}
*d++ = 0x84;
*d++ = 0x01;
*d++ = (unsigned char)pObject->tokenid;
rc = transmitAPDU(pObject->token->slot, 0x00, 0x22, 0x41, 0xB6,
(int)(d - scr), scr,
0, NULL, 0, &SW1SW2);
if (rc < 0) {
starcosUnlock(pObject->token);
FUNC_FAILS(CKR_DEVICE_ERROR, "transmitAPDU failed");
}
if (SW1SW2 != 0x9000) {
starcosUnlock(pObject->token);
FUNC_FAILS(CKR_DEVICE_ERROR, "MANAGE SE failed");
}
rc = transmitAPDU(pObject->token->slot, 0x00, 0x2A, 0x9E, 0x9A,
ulDataLen, pData,
0, pSignature, *pulSignatureLen, &SW1SW2);
if (rc < 0) {
starcosUnlock(pObject->token);
FUNC_FAILS(CKR_DEVICE_ERROR, "transmitAPDU failed");
}
if (SW1SW2 != 0x9000) {
starcosUnlock(pObject->token);
switch(SW1SW2) {
case 0x6A81:
FUNC_FAILS(CKR_KEY_FUNCTION_NOT_PERMITTED, "Signature operation not allowed for key");
break;
case 0x6982:
pObject->token->user = INT_CKU_NO_USER;
FUNC_FAILS(CKR_USER_NOT_LOGGED_IN, "User not logged in");
break;
}
FUNC_FAILS(CKR_DEVICE_ERROR, "Signature operation failed");
}
*pulSignatureLen = rc;
if ((pObject->token->user == CKU_USER) && (pObject->token->pinUseCounter == 1)) {
pObject->token->user = INT_CKU_NO_USER;
}
starcosUnlock(pObject->token);
FUNC_RETURNS(CKR_OK);
}