michael@0: /*
michael@0:  * softoken.h - private data structures and prototypes for the softoken lib
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef _SOFTOKEN_H_
michael@0: #define _SOFTOKEN_H_
michael@0: 
michael@0: #include "blapi.h"
michael@0: #include "lowkeyti.h"
michael@0: #include "softoknt.h"
michael@0: #include "secoidt.h"
michael@0: 
michael@0: #include "pkcs11t.h"
michael@0: 
michael@0: SEC_BEGIN_PROTOS
michael@0: 
michael@0: /*
michael@0:  * Convenience wrapper for doing a single PKCS#1 v1.5 RSA operations where the
michael@0:  * encoded digest info is computed internally, rather than by the caller.
michael@0:  *
michael@0:  * The HashSign variants expect as input the value of H, the computed hash
michael@0:  * from RFC 3447, Section 9.2, Step 1, and will compute the DER-encoded
michael@0:  * DigestInfo structure internally prior to signing/verifying.
michael@0:  */
michael@0: extern SECStatus
michael@0: RSA_HashSign(SECOidTag hashOid, NSSLOWKEYPrivateKey *key,
michael@0:              unsigned char *sig, unsigned int *sigLen, unsigned int maxLen,
michael@0:              const unsigned char *hash, unsigned int hashLen);
michael@0: 
michael@0: extern SECStatus
michael@0: RSA_HashCheckSign(SECOidTag hashOid, NSSLOWKEYPublicKey *key,
michael@0:                   const unsigned char *sig, unsigned int sigLen,
michael@0:                   const unsigned char *hash, unsigned int hashLen);
michael@0: 
michael@0: /*
michael@0: ** Prepare a buffer for padded CBC encryption, growing to the appropriate 
michael@0: ** boundary, filling with the appropriate padding.
michael@0: **
michael@0: ** blockSize must be a power of 2.
michael@0: **
michael@0: ** We add from 1 to blockSize bytes -- we *always* grow.
michael@0: ** The extra bytes contain the value of the length of the padding:
michael@0: ** if we have 2 bytes of padding, then the padding is "0x02, 0x02".
michael@0: **
michael@0: ** NOTE: If arena is non-NULL, we re-allocate from there, otherwise
michael@0: ** we assume (and use) PR memory (re)allocation.
michael@0: */
michael@0: extern unsigned char * CBC_PadBuffer(PLArenaPool *arena, unsigned char *inbuf,
michael@0:                                      unsigned int inlen, unsigned int *outlen,
michael@0: 				     int blockSize);
michael@0: 
michael@0: 
michael@0: /****************************************/
michael@0: /*
michael@0: ** Power-Up selftests required for FIPS and invoked only
michael@0: ** under PKCS #11 FIPS mode.
michael@0: */
michael@0: extern CK_RV sftk_fipsPowerUpSelfTest( void ); 
michael@0: 
michael@0: /*
michael@0: ** make known fixed PKCS #11 key types to their sizes in bytes
michael@0: */	
michael@0: unsigned long sftk_MapKeySize(CK_KEY_TYPE keyType);
michael@0: 
michael@0: /*
michael@0: ** FIPS 140-2 auditing
michael@0: */
michael@0: extern PRBool sftk_audit_enabled;
michael@0: 
michael@0: extern void sftk_LogAuditMessage(NSSAuditSeverity severity, 
michael@0: 				 NSSAuditType, const char *msg);
michael@0: 
michael@0: extern void sftk_AuditCreateObject(CK_SESSION_HANDLE hSession,
michael@0: 			CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount,
michael@0: 			CK_OBJECT_HANDLE_PTR phObject, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditCopyObject(CK_SESSION_HANDLE hSession,
michael@0: 			CK_OBJECT_HANDLE hObject,
michael@0: 			CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount,
michael@0: 			CK_OBJECT_HANDLE_PTR phNewObject, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditDestroyObject(CK_SESSION_HANDLE hSession,
michael@0: 			CK_OBJECT_HANDLE hObject, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditGetObjectSize(CK_SESSION_HANDLE hSession,
michael@0: 			CK_OBJECT_HANDLE hObject, CK_ULONG_PTR pulSize,
michael@0: 			CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditGetAttributeValue(CK_SESSION_HANDLE hSession,
michael@0: 			CK_OBJECT_HANDLE hObject, CK_ATTRIBUTE_PTR pTemplate,
michael@0: 			CK_ULONG ulCount, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditSetAttributeValue(CK_SESSION_HANDLE hSession,
michael@0: 			CK_OBJECT_HANDLE hObject, CK_ATTRIBUTE_PTR pTemplate,
michael@0: 			CK_ULONG ulCount, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditCryptInit(const char *opName,
michael@0: 			CK_SESSION_HANDLE hSession,
michael@0: 			CK_MECHANISM_PTR pMechanism,
michael@0: 			CK_OBJECT_HANDLE hKey, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditGenerateKey(CK_SESSION_HANDLE hSession,
michael@0: 			CK_MECHANISM_PTR pMechanism,
michael@0: 			CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount,
michael@0: 			CK_OBJECT_HANDLE_PTR phKey, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditGenerateKeyPair(CK_SESSION_HANDLE hSession,
michael@0: 			CK_MECHANISM_PTR pMechanism,
michael@0: 			CK_ATTRIBUTE_PTR pPublicKeyTemplate,
michael@0: 			CK_ULONG ulPublicKeyAttributeCount,
michael@0: 			CK_ATTRIBUTE_PTR pPrivateKeyTemplate,
michael@0: 			CK_ULONG ulPrivateKeyAttributeCount,
michael@0: 			CK_OBJECT_HANDLE_PTR phPublicKey,
michael@0: 			CK_OBJECT_HANDLE_PTR phPrivateKey, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditWrapKey(CK_SESSION_HANDLE hSession,
michael@0: 			CK_MECHANISM_PTR pMechanism,
michael@0: 			CK_OBJECT_HANDLE hWrappingKey, CK_OBJECT_HANDLE hKey,
michael@0: 			CK_BYTE_PTR pWrappedKey,
michael@0: 			CK_ULONG_PTR pulWrappedKeyLen, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditUnwrapKey(CK_SESSION_HANDLE hSession,
michael@0: 			CK_MECHANISM_PTR pMechanism,
michael@0: 			CK_OBJECT_HANDLE hUnwrappingKey,
michael@0: 			CK_BYTE_PTR pWrappedKey, CK_ULONG ulWrappedKeyLen,
michael@0: 			CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulAttributeCount,
michael@0: 			CK_OBJECT_HANDLE_PTR phKey, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditDeriveKey(CK_SESSION_HANDLE hSession,
michael@0: 			CK_MECHANISM_PTR pMechanism,
michael@0: 			CK_OBJECT_HANDLE hBaseKey,
michael@0: 			CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulAttributeCount,
michael@0: 			CK_OBJECT_HANDLE_PTR phKey, CK_RV rv);
michael@0: 
michael@0: extern void sftk_AuditDigestKey(CK_SESSION_HANDLE hSession,
michael@0: 			CK_OBJECT_HANDLE hKey, CK_RV rv);
michael@0: 
michael@0: /*
michael@0: ** FIPS 140-2 Error state
michael@0: */
michael@0: extern PRBool sftk_fatalError;
michael@0: 
michael@0: /*
michael@0: ** macros to check for forked child process after C_Initialize
michael@0: */
michael@0: #if defined(XP_UNIX) && !defined(NO_FORK_CHECK)
michael@0: 
michael@0: #ifdef DEBUG
michael@0: 
michael@0: #define FORK_ASSERT() \
michael@0:     { \
michael@0:         char* forkAssert = getenv("NSS_STRICT_NOFORK"); \
michael@0:         if ( (!forkAssert) || (0 == strcmp(forkAssert, "1")) ) { \
michael@0:             PORT_Assert(0); \
michael@0:         } \
michael@0:     }
michael@0: 
michael@0: #else
michael@0: 
michael@0: #define FORK_ASSERT()
michael@0: 
michael@0: #endif
michael@0: 
michael@0: /* we have 3 methods of implementing the fork checks :
michael@0:  * - Solaris "mixed" method
michael@0:  * - pthread_atfork method
michael@0:  * - getpid method
michael@0:  */
michael@0: 
michael@0: #if !defined (CHECK_FORK_MIXED) && !defined(CHECK_FORK_PTHREAD) && \
michael@0:     !defined (CHECK_FORK_GETPID)
michael@0: 
michael@0: /* Choose fork check method automatically unless specified
michael@0:  * This section should be updated as more platforms get pthread fixes
michael@0:  * to unregister fork handlers in dlclose.
michael@0:  */
michael@0: 
michael@0: #ifdef SOLARIS
michael@0: 
michael@0: /* Solaris 8, s9 use PID checks, s10 uses pthread_atfork */
michael@0: 
michael@0: #define CHECK_FORK_MIXED
michael@0: 
michael@0: #elif defined(LINUX)
michael@0: 
michael@0: #define CHECK_FORK_PTHREAD
michael@0: 
michael@0: #else
michael@0: 
michael@0: /* Other Unix platforms use only PID checks. Even if pthread_atfork is
michael@0:  * available, the behavior of dlclose isn't guaranteed by POSIX to
michael@0:  * unregister the fork handler. */
michael@0: 
michael@0: #define CHECK_FORK_GETPID
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #if defined(CHECK_FORK_MIXED)
michael@0: 
michael@0: extern PRBool usePthread_atfork;
michael@0: #include <unistd.h>
michael@0: extern pid_t myPid;
michael@0: extern PRBool forked;
michael@0: 
michael@0: #define PARENT_FORKED() (usePthread_atfork ? forked : (myPid && myPid != getpid()))
michael@0: 
michael@0: #elif defined(CHECK_FORK_PTHREAD)
michael@0: 
michael@0: extern PRBool forked;
michael@0: 
michael@0: #define PARENT_FORKED() forked
michael@0: 
michael@0: #elif defined(CHECK_FORK_GETPID)
michael@0: 
michael@0: #include <unistd.h>
michael@0: extern pid_t myPid;
michael@0: 
michael@0: #define PARENT_FORKED() (myPid && myPid != getpid())
michael@0:     
michael@0: #endif
michael@0: 
michael@0: extern PRBool parentForkedAfterC_Initialize;
michael@0: extern PRBool sftkForkCheckDisabled;
michael@0: 
michael@0: #define CHECK_FORK() \
michael@0:     do { \
michael@0:         if (!sftkForkCheckDisabled && PARENT_FORKED()) { \
michael@0:             FORK_ASSERT(); \
michael@0:             return CKR_DEVICE_ERROR; \
michael@0:         } \
michael@0:     } while (0)
michael@0: 
michael@0: #define SKIP_AFTER_FORK(x) if (!parentForkedAfterC_Initialize) x
michael@0: 
michael@0: #define ENABLE_FORK_CHECK() \
michael@0:     { \
michael@0:         char* doForkCheck = getenv("NSS_STRICT_NOFORK"); \
michael@0:         if ( doForkCheck && !strcmp(doForkCheck, "DISABLED") ) { \
michael@0:             sftkForkCheckDisabled = PR_TRUE; \
michael@0:         } \
michael@0:     }
michael@0: 
michael@0: 
michael@0: #else
michael@0: 
michael@0: /* non-Unix platforms, or fork check disabled */
michael@0: 
michael@0: #define CHECK_FORK()
michael@0: #define SKIP_AFTER_FORK(x) x
michael@0: #define ENABLE_FORK_CHECK()
michael@0: 
michael@0: #ifndef NO_FORK_CHECK
michael@0: #define NO_FORK_CHECK
michael@0: #endif
michael@0: 
michael@0: #endif
michael@0: 
michael@0: 
michael@0: SEC_END_PROTOS
michael@0: 
michael@0: #endif /* _SOFTOKEN_H_ */