diff options
Diffstat (limited to 'security/nss/lib/ckfw/nssmkey/mrsa.c')
| -rw-r--r-- | security/nss/lib/ckfw/nssmkey/mrsa.c | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/security/nss/lib/ckfw/nssmkey/mrsa.c b/security/nss/lib/ckfw/nssmkey/mrsa.c deleted file mode 100644 index 00175b47a..000000000 --- a/security/nss/lib/ckfw/nssmkey/mrsa.c +++ /dev/null @@ -1,479 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include "ckmk.h" - -/* Sigh, For all the talk about 'ease of use', apple has hidden the interfaces - * needed to be able to truly use CSSM. These came from their modification - * to NSS's S/MIME code. The following two functions currently are not - * part of the SecKey.h interface. - */ -OSStatus -SecKeyGetCredentials( - SecKeyRef keyRef, - CSSM_ACL_AUTHORIZATION_TAG authTag, - int type, - const CSSM_ACCESS_CREDENTIALS **creds); - -/* this function could be implemented using 'SecKeychainItemCopyKeychain' and - * 'SecKeychainGetCSPHandle' */ -OSStatus -SecKeyGetCSPHandle( - SecKeyRef keyRef, - CSSM_CSP_HANDLE *cspHandle); - -typedef struct ckmkInternalCryptoOperationRSAPrivStr - ckmkInternalCryptoOperationRSAPriv; -struct ckmkInternalCryptoOperationRSAPrivStr { - NSSCKMDCryptoOperation mdOperation; - NSSCKMDMechanism *mdMechanism; - ckmkInternalObject *iKey; - NSSItem *buffer; - CSSM_CC_HANDLE cssmContext; -}; - -typedef enum { - CKMK_DECRYPT, - CKMK_SIGN -} ckmkRSAOpType; - -/* - * ckmk_mdCryptoOperationRSAPriv_Create - */ -static NSSCKMDCryptoOperation * -ckmk_mdCryptoOperationRSAPriv_Create( - const NSSCKMDCryptoOperation *proto, - NSSCKMDMechanism *mdMechanism, - NSSCKMDObject *mdKey, - ckmkRSAOpType type, - CK_RV *pError) -{ - ckmkInternalObject *iKey = (ckmkInternalObject *)mdKey->etc; - const NSSItem *classItem = nss_ckmk_FetchAttribute(iKey, CKA_CLASS, pError); - const NSSItem *keyType = nss_ckmk_FetchAttribute(iKey, CKA_KEY_TYPE, pError); - ckmkInternalCryptoOperationRSAPriv *iOperation; - SecKeyRef privateKey; - OSStatus macErr; - CSSM_RETURN cssmErr; - const CSSM_KEY *cssmKey; - CSSM_CSP_HANDLE cspHandle; - const CSSM_ACCESS_CREDENTIALS *creds = NULL; - CSSM_CC_HANDLE cssmContext; - CSSM_ACL_AUTHORIZATION_TAG authType; - - /* make sure we have the right objects */ - if (((const NSSItem *)NULL == classItem) || - (sizeof(CK_OBJECT_CLASS) != classItem->size) || - (CKO_PRIVATE_KEY != *(CK_OBJECT_CLASS *)classItem->data) || - ((const NSSItem *)NULL == keyType) || - (sizeof(CK_KEY_TYPE) != keyType->size) || - (CKK_RSA != *(CK_KEY_TYPE *)keyType->data)) { - *pError = CKR_KEY_TYPE_INCONSISTENT; - return (NSSCKMDCryptoOperation *)NULL; - } - - privateKey = (SecKeyRef)iKey->u.item.itemRef; - macErr = SecKeyGetCSSMKey(privateKey, &cssmKey); - if (noErr != macErr) { - CKMK_MACERR("Getting CSSM Key", macErr); - *pError = CKR_KEY_HANDLE_INVALID; - return (NSSCKMDCryptoOperation *)NULL; - } - macErr = SecKeyGetCSPHandle(privateKey, &cspHandle); - if (noErr != macErr) { - CKMK_MACERR("Getting CSP for Key", macErr); - *pError = CKR_KEY_HANDLE_INVALID; - return (NSSCKMDCryptoOperation *)NULL; - } - switch (type) { - case CKMK_DECRYPT: - authType = CSSM_ACL_AUTHORIZATION_DECRYPT; - break; - case CKMK_SIGN: - authType = CSSM_ACL_AUTHORIZATION_SIGN; - break; - default: - *pError = CKR_GENERAL_ERROR; -#ifdef DEBUG - fprintf(stderr, "RSAPriv_Create: bad type = %d\n", type); -#endif - return (NSSCKMDCryptoOperation *)NULL; - } - - macErr = SecKeyGetCredentials(privateKey, authType, 0, &creds); - if (noErr != macErr) { - CKMK_MACERR("Getting Credentials for Key", macErr); - *pError = CKR_KEY_HANDLE_INVALID; - return (NSSCKMDCryptoOperation *)NULL; - } - - switch (type) { - case CKMK_DECRYPT: - cssmErr = CSSM_CSP_CreateAsymmetricContext(cspHandle, CSSM_ALGID_RSA, - creds, cssmKey, CSSM_PADDING_PKCS1, &cssmContext); - break; - case CKMK_SIGN: - cssmErr = CSSM_CSP_CreateSignatureContext(cspHandle, CSSM_ALGID_RSA, - creds, cssmKey, &cssmContext); - break; - default: - *pError = CKR_GENERAL_ERROR; -#ifdef DEBUG - fprintf(stderr, "RSAPriv_Create: bad type = %d\n", type); -#endif - return (NSSCKMDCryptoOperation *)NULL; - } - if (noErr != cssmErr) { - CKMK_MACERR("Getting Context for Key", cssmErr); - *pError = CKR_GENERAL_ERROR; - return (NSSCKMDCryptoOperation *)NULL; - } - - iOperation = nss_ZNEW(NULL, ckmkInternalCryptoOperationRSAPriv); - if ((ckmkInternalCryptoOperationRSAPriv *)NULL == iOperation) { - *pError = CKR_HOST_MEMORY; - return (NSSCKMDCryptoOperation *)NULL; - } - iOperation->mdMechanism = mdMechanism; - iOperation->iKey = iKey; - iOperation->cssmContext = cssmContext; - - nsslibc_memcpy(&iOperation->mdOperation, - proto, sizeof(NSSCKMDCryptoOperation)); - iOperation->mdOperation.etc = iOperation; - - return &iOperation->mdOperation; -} - -static void -ckmk_mdCryptoOperationRSAPriv_Destroy( - NSSCKMDCryptoOperation *mdOperation, - NSSCKFWCryptoOperation *fwOperation, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance) -{ - ckmkInternalCryptoOperationRSAPriv *iOperation = - (ckmkInternalCryptoOperationRSAPriv *)mdOperation->etc; - - if (iOperation->buffer) { - nssItem_Destroy(iOperation->buffer); - } - if (iOperation->cssmContext) { - CSSM_DeleteContext(iOperation->cssmContext); - } - nss_ZFreeIf(iOperation); - return; -} - -static CK_ULONG -ckmk_mdCryptoOperationRSA_GetFinalLength( - NSSCKMDCryptoOperation *mdOperation, - NSSCKFWCryptoOperation *fwOperation, - NSSCKMDSession *mdSession, - NSSCKFWSession *fwSession, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - CK_RV *pError) -{ - ckmkInternalCryptoOperationRSAPriv *iOperation = - (ckmkInternalCryptoOperationRSAPriv *)mdOperation->etc; - const NSSItem *modulus = - nss_ckmk_FetchAttribute(iOperation->iKey, CKA_MODULUS, pError); - - return modulus->size; -} - -/* - * ckmk_mdCryptoOperationRSADecrypt_GetOperationLength - * we won't know the length until we actually decrypt the - * input block. Since we go to all the work to decrypt the - * the block, we'll save if for when the block is asked for - */ -static CK_ULONG -ckmk_mdCryptoOperationRSADecrypt_GetOperationLength( - NSSCKMDCryptoOperation *mdOperation, - NSSCKFWCryptoOperation *fwOperation, - NSSCKMDSession *mdSession, - NSSCKFWSession *fwSession, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - const NSSItem *input, - CK_RV *pError) -{ - ckmkInternalCryptoOperationRSAPriv *iOperation = - (ckmkInternalCryptoOperationRSAPriv *)mdOperation->etc; - CSSM_DATA cssmInput; - CSSM_DATA cssmOutput = { 0, NULL }; - PRUint32 bytesDecrypted; - CSSM_DATA remainder = { 0, NULL }; - NSSItem output; - CSSM_RETURN cssmErr; - - if (iOperation->buffer) { - return iOperation->buffer->size; - } - - cssmInput.Data = input->data; - cssmInput.Length = input->size; - - cssmErr = CSSM_DecryptData(iOperation->cssmContext, - &cssmInput, 1, &cssmOutput, 1, - &bytesDecrypted, &remainder); - if (CSSM_OK != cssmErr) { - CKMK_MACERR("Decrypt Failed", cssmErr); - *pError = CKR_DATA_INVALID; - return 0; - } - /* we didn't suppy any buffers, so it should all be in remainder */ - output.data = nss_ZNEWARRAY(NULL, char, bytesDecrypted + remainder.Length); - if (NULL == output.data) { - free(cssmOutput.Data); - free(remainder.Data); - *pError = CKR_HOST_MEMORY; - return 0; - } - output.size = bytesDecrypted + remainder.Length; - - if (0 != bytesDecrypted) { - nsslibc_memcpy(output.data, cssmOutput.Data, bytesDecrypted); - free(cssmOutput.Data); - } - if (0 != remainder.Length) { - nsslibc_memcpy(((char *)output.data) + bytesDecrypted, - remainder.Data, remainder.Length); - free(remainder.Data); - } - - iOperation->buffer = nssItem_Duplicate(&output, NULL, NULL); - nss_ZFreeIf(output.data); - if ((NSSItem *)NULL == iOperation->buffer) { - *pError = CKR_HOST_MEMORY; - return 0; - } - - return iOperation->buffer->size; -} - -/* - * ckmk_mdCryptoOperationRSADecrypt_UpdateFinal - * - * NOTE: ckmk_mdCryptoOperationRSADecrypt_GetOperationLength is presumed to - * have been called previously. - */ -static CK_RV -ckmk_mdCryptoOperationRSADecrypt_UpdateFinal( - NSSCKMDCryptoOperation *mdOperation, - NSSCKFWCryptoOperation *fwOperation, - NSSCKMDSession *mdSession, - NSSCKFWSession *fwSession, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - const NSSItem *input, - NSSItem *output) -{ - ckmkInternalCryptoOperationRSAPriv *iOperation = - (ckmkInternalCryptoOperationRSAPriv *)mdOperation->etc; - NSSItem *buffer = iOperation->buffer; - - if ((NSSItem *)NULL == buffer) { - return CKR_GENERAL_ERROR; - } - nsslibc_memcpy(output->data, buffer->data, buffer->size); - output->size = buffer->size; - return CKR_OK; -} - -/* - * ckmk_mdCryptoOperationRSASign_UpdateFinal - * - */ -static CK_RV -ckmk_mdCryptoOperationRSASign_UpdateFinal( - NSSCKMDCryptoOperation *mdOperation, - NSSCKFWCryptoOperation *fwOperation, - NSSCKMDSession *mdSession, - NSSCKFWSession *fwSession, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - const NSSItem *input, - NSSItem *output) -{ - ckmkInternalCryptoOperationRSAPriv *iOperation = - (ckmkInternalCryptoOperationRSAPriv *)mdOperation->etc; - CSSM_DATA cssmInput; - CSSM_DATA cssmOutput = { 0, NULL }; - CSSM_RETURN cssmErr; - - cssmInput.Data = input->data; - cssmInput.Length = input->size; - - cssmErr = CSSM_SignData(iOperation->cssmContext, &cssmInput, 1, - CSSM_ALGID_NONE, &cssmOutput); - if (CSSM_OK != cssmErr) { - CKMK_MACERR("Signed Failed", cssmErr); - return CKR_FUNCTION_FAILED; - } - if (cssmOutput.Length > output->size) { - free(cssmOutput.Data); - return CKR_BUFFER_TOO_SMALL; - } - nsslibc_memcpy(output->data, cssmOutput.Data, cssmOutput.Length); - free(cssmOutput.Data); - output->size = cssmOutput.Length; - - return CKR_OK; -} - -NSS_IMPLEMENT_DATA const NSSCKMDCryptoOperation - ckmk_mdCryptoOperationRSADecrypt_proto = { - NULL, /* etc */ - ckmk_mdCryptoOperationRSAPriv_Destroy, - NULL, /* GetFinalLengh - not needed for one shot Decrypt/Encrypt */ - ckmk_mdCryptoOperationRSADecrypt_GetOperationLength, - NULL, /* Final - not needed for one shot operation */ - NULL, /* Update - not needed for one shot operation */ - NULL, /* DigetUpdate - not needed for one shot operation */ - ckmk_mdCryptoOperationRSADecrypt_UpdateFinal, - NULL, /* UpdateCombo - not needed for one shot operation */ - NULL, /* DigetKey - not needed for one shot operation */ - (void *)NULL /* null terminator */ - }; - -NSS_IMPLEMENT_DATA const NSSCKMDCryptoOperation - ckmk_mdCryptoOperationRSASign_proto = { - NULL, /* etc */ - ckmk_mdCryptoOperationRSAPriv_Destroy, - ckmk_mdCryptoOperationRSA_GetFinalLength, - NULL, /* GetOperationLengh - not needed for one shot Sign/Verify */ - NULL, /* Final - not needed for one shot operation */ - NULL, /* Update - not needed for one shot operation */ - NULL, /* DigetUpdate - not needed for one shot operation */ - ckmk_mdCryptoOperationRSASign_UpdateFinal, - NULL, /* UpdateCombo - not needed for one shot operation */ - NULL, /* DigetKey - not needed for one shot operation */ - (void *)NULL /* null terminator */ - }; - -/********** NSSCKMDMechansim functions ***********************/ -/* - * ckmk_mdMechanismRSA_Destroy - */ -static void -ckmk_mdMechanismRSA_Destroy( - NSSCKMDMechanism *mdMechanism, - NSSCKFWMechanism *fwMechanism, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance) -{ - nss_ZFreeIf(fwMechanism); -} - -/* - * ckmk_mdMechanismRSA_GetMinKeySize - */ -static CK_ULONG -ckmk_mdMechanismRSA_GetMinKeySize( - NSSCKMDMechanism *mdMechanism, - NSSCKFWMechanism *fwMechanism, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - CK_RV *pError) -{ - return 384; -} - -/* - * ckmk_mdMechanismRSA_GetMaxKeySize - */ -static CK_ULONG -ckmk_mdMechanismRSA_GetMaxKeySize( - NSSCKMDMechanism *mdMechanism, - NSSCKFWMechanism *fwMechanism, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - CK_RV *pError) -{ - return 16384; -} - -/* - * ckmk_mdMechanismRSA_DecryptInit - */ -static NSSCKMDCryptoOperation * -ckmk_mdMechanismRSA_DecryptInit( - NSSCKMDMechanism *mdMechanism, - NSSCKFWMechanism *fwMechanism, - CK_MECHANISM *pMechanism, - NSSCKMDSession *mdSession, - NSSCKFWSession *fwSession, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - NSSCKMDObject *mdKey, - NSSCKFWObject *fwKey, - CK_RV *pError) -{ - return ckmk_mdCryptoOperationRSAPriv_Create( - &ckmk_mdCryptoOperationRSADecrypt_proto, - mdMechanism, mdKey, CKMK_DECRYPT, pError); -} - -/* - * ckmk_mdMechanismRSA_SignInit - */ -static NSSCKMDCryptoOperation * -ckmk_mdMechanismRSA_SignInit( - NSSCKMDMechanism *mdMechanism, - NSSCKFWMechanism *fwMechanism, - CK_MECHANISM *pMechanism, - NSSCKMDSession *mdSession, - NSSCKFWSession *fwSession, - NSSCKMDToken *mdToken, - NSSCKFWToken *fwToken, - NSSCKMDInstance *mdInstance, - NSSCKFWInstance *fwInstance, - NSSCKMDObject *mdKey, - NSSCKFWObject *fwKey, - CK_RV *pError) -{ - return ckmk_mdCryptoOperationRSAPriv_Create( - &ckmk_mdCryptoOperationRSASign_proto, - mdMechanism, mdKey, CKMK_SIGN, pError); -} - -NSS_IMPLEMENT_DATA const NSSCKMDMechanism - nss_ckmk_mdMechanismRSA = { - (void *)NULL, /* etc */ - ckmk_mdMechanismRSA_Destroy, - ckmk_mdMechanismRSA_GetMinKeySize, - ckmk_mdMechanismRSA_GetMaxKeySize, - NULL, /* GetInHardware - default false */ - NULL, /* EncryptInit - default errs */ - ckmk_mdMechanismRSA_DecryptInit, - NULL, /* DigestInit - default errs*/ - ckmk_mdMechanismRSA_SignInit, - NULL, /* VerifyInit - default errs */ - ckmk_mdMechanismRSA_SignInit, /* SignRecoverInit */ - NULL, /* VerifyRecoverInit - default errs */ - NULL, /* GenerateKey - default errs */ - NULL, /* GenerateKeyPair - default errs */ - NULL, /* GetWrapKeyLength - default errs */ - NULL, /* WrapKey - default errs */ - NULL, /* UnwrapKey - default errs */ - NULL, /* DeriveKey - default errs */ - (void *)NULL /* null terminator */ - }; 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