Add m-esr52 at 52.6.0

1 files changed, 763 insertions, 0 deletions

diff --git a/security/nss/lib/softoken/pkcs11i.h b/security/nss/lib/softoken/pkcs11i.h
new file mode 100644
index 000000000..c5f21c30a
--- /dev/null
+++ b/security/nss/lib/softoken/pkcs11i.h
@@ -0,0 +1,763 @@
+/* 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/. */
+/*
+ * Internal data structures and functions used by pkcs11.c
+ */
+#ifndef _PKCS11I_H_
+#define _PKCS11I_H_ 1
+
+#include "nssilock.h"
+#include "seccomon.h"
+#include "secoidt.h"
+#include "lowkeyti.h"
+#include "pkcs11t.h"
+
+#include "sftkdbt.h"
+#include "chacha20poly1305.h"
+#include "hasht.h"
+
+/*
+ * Configuration Defines
+ *
+ * The following defines affect the space verse speed trade offs of
+ * the PKCS #11 module. For the most part the current settings are optimized
+ * for web servers, where we want faster speed and lower lock contention at
+ * the expense of space.
+ */
+
+/*
+ * The attribute allocation strategy is static allocation:
+ *   Attributes are pre-allocated as part of the session object and used from
+ *   the object array.
+ */
+#define MAX_OBJS_ATTRS 45 /* number of attributes to preallocate in \
+                           * the object (must me the absolute max) */
+#define ATTR_SPACE 50     /* Maximum size of attribute data before extra \
+                           * data needs to be allocated. This is set to  \
+                           * enough space to hold an SSL MASTER secret */
+
+#define NSC_STRICT PR_FALSE /* forces the code to do strict template     \
+                             * matching when doing C_FindObject on token \
+                             * objects. This will slow down search in    \
+                             * NSS. */
+/* default search block allocations and increments */
+#define NSC_CERT_BLOCK_SIZE 50
+#define NSC_SEARCH_BLOCK_SIZE 5
+#define NSC_SLOT_LIST_BLOCK_SIZE 10
+
+#define NSC_FIPS_MODULE 1
+#define NSC_NON_FIPS_MODULE 0
+
+/* these are data base storage hashes, not cryptographic hashes.. The define
+ * the effective size of the various object hash tables */
+/* clients care more about memory usage than lookup performance on
+ * cyrptographic objects. Clients also have less objects around to play with
+ *
+ * we eventually should make this configurable at runtime! Especially now that
+ * NSS is a shared library.
+ */
+#define SPACE_ATTRIBUTE_HASH_SIZE 32
+#define SPACE_SESSION_OBJECT_HASH_SIZE 32
+#define SPACE_SESSION_HASH_SIZE 32
+#define TIME_ATTRIBUTE_HASH_SIZE 32
+#define TIME_SESSION_OBJECT_HASH_SIZE 1024
+#define TIME_SESSION_HASH_SIZE 1024
+#define MAX_OBJECT_LIST_SIZE 800
+/* how many objects to keep on the free list
+                   * before we start freeing them */
+#define MAX_KEY_LEN 256 /* maximum symmetric key length in bytes */
+
+/*
+ * LOG2_BUCKETS_PER_SESSION_LOCK must be a prime number.
+ * With SESSION_HASH_SIZE=1024, LOG2 can be 9, 5, 1, or 0.
+ * With SESSION_HASH_SIZE=4096, LOG2 can be 11, 9, 5, 1, or 0.
+ *
+ * HASH_SIZE   LOG2_BUCKETS_PER   BUCKETS_PER_LOCK  NUMBER_OF_BUCKETS
+ * 1024        9                  512               2
+ * 1024        5                  32                32
+ * 1024        1                  2                 512
+ * 1024        0                  1                 1024
+ * 4096        11                 2048              2
+ * 4096        9                  512               8
+ * 4096        5                  32                128
+ * 4096        1                  2                 2048
+ * 4096        0                  1                 4096
+ */
+#define LOG2_BUCKETS_PER_SESSION_LOCK 1
+#define BUCKETS_PER_SESSION_LOCK (1 << (LOG2_BUCKETS_PER_SESSION_LOCK))
+/* NOSPREAD sessionID to hash table index macro has been slower. */
+
+/* define typedefs, double as forward declarations as well */
+typedef struct SFTKAttributeStr SFTKAttribute;
+typedef struct SFTKObjectListStr SFTKObjectList;
+typedef struct SFTKObjectFreeListStr SFTKObjectFreeList;
+typedef struct SFTKObjectListElementStr SFTKObjectListElement;
+typedef struct SFTKObjectStr SFTKObject;
+typedef struct SFTKSessionObjectStr SFTKSessionObject;
+typedef struct SFTKTokenObjectStr SFTKTokenObject;
+typedef struct SFTKSessionStr SFTKSession;
+typedef struct SFTKSlotStr SFTKSlot;
+typedef struct SFTKSessionContextStr SFTKSessionContext;
+typedef struct SFTKSearchResultsStr SFTKSearchResults;
+typedef struct SFTKHashVerifyInfoStr SFTKHashVerifyInfo;
+typedef struct SFTKHashSignInfoStr SFTKHashSignInfo;
+typedef struct SFTKOAEPEncryptInfoStr SFTKOAEPEncryptInfo;
+typedef struct SFTKOAEPDecryptInfoStr SFTKOAEPDecryptInfo;
+typedef struct SFTKSSLMACInfoStr SFTKSSLMACInfo;
+typedef struct SFTKChaCha20Poly1305InfoStr SFTKChaCha20Poly1305Info;
+typedef struct SFTKItemTemplateStr SFTKItemTemplate;
+
+/* define function pointer typdefs for pointer tables */
+typedef void (*SFTKDestroy)(void *, PRBool);
+typedef void (*SFTKBegin)(void *);
+typedef SECStatus (*SFTKCipher)(void *, void *, unsigned int *, unsigned int,
+                                void *, unsigned int);
+typedef SECStatus (*SFTKVerify)(void *, void *, unsigned int, void *, unsigned int);
+typedef void (*SFTKHash)(void *, const void *, unsigned int);
+typedef void (*SFTKEnd)(void *, void *, unsigned int *, unsigned int);
+typedef void (*SFTKFree)(void *);
+
+/* Value to tell if an attribute is modifiable or not.
+ *    NEVER: attribute is only set on creation.
+ *    ONCOPY: attribute is set on creation and can only be changed on copy.
+ *    SENSITIVE: attribute can only be changed to TRUE.
+ *    ALWAYS: attribute can always be changed.
+ */
+typedef enum {
+    SFTK_NEVER = 0,
+    SFTK_ONCOPY = 1,
+    SFTK_SENSITIVE = 2,
+    SFTK_ALWAYS = 3
+} SFTKModifyType;
+
+/*
+ * Free Status Enum... tell us more information when we think we're
+ * deleting an object.
+ */
+typedef enum {
+    SFTK_DestroyFailure,
+    SFTK_Destroyed,
+    SFTK_Busy
+} SFTKFreeStatus;
+
+/*
+ * attribute values of an object.
+ */
+struct SFTKAttributeStr {
+    SFTKAttribute *next;
+    SFTKAttribute *prev;
+    PRBool freeAttr;
+    PRBool freeData;
+    /*must be called handle to make sftkqueue_find work */
+    CK_ATTRIBUTE_TYPE handle;
+    CK_ATTRIBUTE attrib;
+    unsigned char space[ATTR_SPACE];
+};
+
+/*
+ * doubly link list of objects
+ */
+struct SFTKObjectListStr {
+    SFTKObjectList *next;
+    SFTKObjectList *prev;
+    SFTKObject *parent;
+};
+
+struct SFTKObjectFreeListStr {
+    SFTKObject *head;
+    PZLock *lock;
+    int count;
+};
+
+/*
+ * PKCS 11 crypto object structure
+ */
+struct SFTKObjectStr {
+    SFTKObject *next;
+    SFTKObject *prev;
+    CK_OBJECT_CLASS objclass;
+    CK_OBJECT_HANDLE handle;
+    int refCount;
+    PZLock *refLock;
+    SFTKSlot *slot;
+    void *objectInfo;
+    SFTKFree infoFree;
+};
+
+struct SFTKTokenObjectStr {
+    SFTKObject obj;
+    SECItem dbKey;
+};
+
+struct SFTKSessionObjectStr {
+    SFTKObject obj;
+    SFTKObjectList sessionList;
+    PZLock *attributeLock;
+    SFTKSession *session;
+    PRBool wasDerived;
+    int nextAttr;
+    SFTKAttribute attrList[MAX_OBJS_ATTRS];
+    PRBool optimizeSpace;
+    unsigned int hashSize;
+    SFTKAttribute *head[1];
+};
+
+/*
+ * struct to deal with a temparary list of objects
+ */
+struct SFTKObjectListElementStr {
+    SFTKObjectListElement *next;
+    SFTKObject *object;
+};
+
+/*
+ * Area to hold Search results
+ */
+struct SFTKSearchResultsStr {
+    CK_OBJECT_HANDLE *handles;
+    int size;
+    int index;
+    int array_size;
+};
+
+/*
+ * the universal crypto/hash/sign/verify context structure
+ */
+typedef enum {
+    SFTK_ENCRYPT,
+    SFTK_DECRYPT,
+    SFTK_HASH,
+    SFTK_SIGN,
+    SFTK_SIGN_RECOVER,
+    SFTK_VERIFY,
+    SFTK_VERIFY_RECOVER
+} SFTKContextType;
+
+/** max block size of supported block ciphers */
+#define SFTK_MAX_BLOCK_SIZE 16
+/** currently SHA512 is the biggest hash length */
+#define SFTK_MAX_MAC_LENGTH 64
+#define SFTK_INVALID_MAC_SIZE 0xffffffff
+
+/** Particular ongoing operation in session (sign/verify/digest/encrypt/...)
+ *
+ *  Understanding sign/verify context:
+ *      multi=1 hashInfo=0   block (symmetric) cipher MACing
+ *      multi=1 hashInfo=X   PKC S/V with prior hashing
+ *      multi=0 hashInfo=0   PKC S/V one shot (w/o hashing)
+ *      multi=0 hashInfo=X   *** shouldn't happen ***
+ */
+struct SFTKSessionContextStr {
+    SFTKContextType type;
+    PRBool multi;               /* is multipart */
+    PRBool rsa;                 /* is rsa */
+    PRBool doPad;               /* use PKCS padding for block ciphers */
+    unsigned int blockSize;     /* blocksize for padding */
+    unsigned int padDataLength; /* length of the valid data in padbuf */
+    /** latest incomplete block of data for block cipher */
+    unsigned char padBuf[SFTK_MAX_BLOCK_SIZE];
+    /** result of MAC'ing of latest full block of data with block cipher */
+    unsigned char macBuf[SFTK_MAX_BLOCK_SIZE];
+    CK_ULONG macSize; /* size of a general block cipher mac*/
+    void *cipherInfo;
+    void *hashInfo;
+    unsigned int cipherInfoLen;
+    CK_MECHANISM_TYPE currentMech;
+    SFTKCipher update;
+    SFTKHash hashUpdate;
+    SFTKEnd end;
+    SFTKDestroy destroy;
+    SFTKDestroy hashdestroy;
+    SFTKVerify verify;
+    unsigned int maxLen;
+    SFTKObject *key;
+};
+
+/*
+ * Sessions (have objects)
+ */
+struct SFTKSessionStr {
+    SFTKSession *next;
+    SFTKSession *prev;
+    CK_SESSION_HANDLE handle;
+    int refCount;
+    PZLock *objectLock;
+    int objectIDCount;
+    CK_SESSION_INFO info;
+    CK_NOTIFY notify;
+    CK_VOID_PTR appData;
+    SFTKSlot *slot;
+    SFTKSearchResults *search;
+    SFTKSessionContext *enc_context;
+    SFTKSessionContext *hash_context;
+    SFTKSessionContext *sign_context;
+    SFTKObjectList *objects[1];
+};
+
+/*
+ * slots (have sessions and objects)
+ *
+ * The array of sessionLock's protect the session hash table (head[])
+ * as well as the reference count of session objects in that bucket
+ * (head[]->refCount),  objectLock protects all elements of the slot's
+ * object hash tables (sessObjHashTable[] and tokObjHashTable), and
+ * sessionObjectHandleCount.
+ * slotLock protects the remaining protected elements:
+ * password, isLoggedIn, ssoLoggedIn, and sessionCount,
+ * and pwCheckLock serializes the key database password checks in
+ * NSC_SetPIN and NSC_Login.
+ *
+ * Each of the fields below has the following lifetime as commented
+ * next to the fields:
+ *   invariant  - This value is set when the slot is first created and
+ * never changed until it is destroyed.
+ *   per load   - This value is set when the slot is first created, or
+ * when the slot is used to open another directory. Between open and close
+ * this field does not change.
+ *   variable - This value changes through the normal process of slot operation.
+ *      - reset. The value of this variable is cleared during an open/close
+ *   cycles.
+ *      - preserved. The value of this variable is preserved over open/close
+ *   cycles.
+ */
+struct SFTKSlotStr {
+    CK_SLOT_ID slotID;             /* invariant */
+    PZLock *slotLock;              /* invariant */
+    PZLock **sessionLock;          /* invariant */
+    unsigned int numSessionLocks;  /* invariant */
+    unsigned long sessionLockMask; /* invariant */
+    PZLock *objectLock;            /* invariant */
+    PRLock *pwCheckLock;           /* invariant */
+    PRBool present;                /* variable -set */
+    PRBool hasTokens;              /* per load */
+    PRBool isLoggedIn;             /* variable - reset */
+    PRBool ssoLoggedIn;            /* variable - reset */
+    PRBool needLogin;              /* per load */
+    PRBool DB_loaded;              /* per load */
+    PRBool readOnly;               /* per load */
+    PRBool optimizeSpace;          /* invariant */
+    SFTKDBHandle *certDB;          /* per load */
+    SFTKDBHandle *keyDB;           /* per load */
+    int minimumPinLen;             /* per load */
+    PRInt32 sessionIDCount;        /* atomically incremented */
+                                   /* (preserved) */
+    int sessionIDConflict;         /* not protected by a lock */
+                                   /* (preserved) */
+    int sessionCount;              /* variable - reset */
+    PRInt32 rwSessionCount;        /* set by atomic operations */
+                                   /* (reset) */
+    int sessionObjectHandleCount;  /* variable - perserved */
+    CK_ULONG index;                /* invariant */
+    PLHashTable *tokObjHashTable;  /* invariant */
+    SFTKObject **sessObjHashTable; /* variable - reset */
+    unsigned int sessObjHashSize;  /* invariant */
+    SFTKSession **head;            /* variable -reset */
+    unsigned int sessHashSize;     /* invariant */
+    char tokDescription[33];       /* per load */
+    char updateTokDescription[33]; /* per load */
+    char slotDescription[65];      /* invariant */
+};
+
+/*
+ * special joint operations Contexts
+ */
+struct SFTKHashVerifyInfoStr {
+    SECOidTag hashOid;
+    void *params;
+    NSSLOWKEYPublicKey *key;
+};
+
+struct SFTKHashSignInfoStr {
+    SECOidTag hashOid;
+    void *params;
+    NSSLOWKEYPrivateKey *key;
+};
+
+/**
+ * Contexts for RSA-OAEP
+ */
+struct SFTKOAEPEncryptInfoStr {
+    CK_RSA_PKCS_OAEP_PARAMS *params;
+    NSSLOWKEYPublicKey *key;
+};
+
+struct SFTKOAEPDecryptInfoStr {
+    CK_RSA_PKCS_OAEP_PARAMS *params;
+    NSSLOWKEYPrivateKey *key;
+};
+
+/* context for the Final SSLMAC message */
+struct SFTKSSLMACInfoStr {
+    void *hashContext;
+    SFTKBegin begin;
+    SFTKHash update;
+    SFTKEnd end;
+    CK_ULONG macSize;
+    int padSize;
+    unsigned char key[MAX_KEY_LEN];
+    unsigned int keySize;
+};
+
+/* SFTKChaCha20Poly1305Info saves the key, tag length, nonce,
+ * and additional data for a ChaCha20+Poly1305 AEAD operation. */
+struct SFTKChaCha20Poly1305InfoStr {
+    ChaCha20Poly1305Context freeblCtx;
+    unsigned char nonce[12];
+    unsigned char ad[16];
+    unsigned char *adOverflow;
+    unsigned int adLen;
+};
+
+/*
+ * Template based on SECItems, suitable for passing as arrays
+ */
+struct SFTKItemTemplateStr {
+    CK_ATTRIBUTE_TYPE type;
+    SECItem *item;
+};
+
+/* macro for setting SFTKTemplates. */
+#define SFTK_SET_ITEM_TEMPLATE(templ, count, itemPtr, attr) \
+    templ[count].type = attr;                               \
+    templ[count].item = itemPtr
+
+#define SFTK_MAX_ITEM_TEMPLATE 10
+
+/*
+ * session handle modifiers
+ */
+#define SFTK_SESSION_SLOT_MASK 0xff000000L
+
+/*
+ * object handle modifiers
+ */
+#define SFTK_TOKEN_MASK 0x80000000L
+#define SFTK_TOKEN_MAGIC 0x80000000L
+#define SFTK_TOKEN_TYPE_MASK 0x70000000L
+/* keydb (high bit == 0) */
+#define SFTK_TOKEN_TYPE_PRIV 0x10000000L
+#define SFTK_TOKEN_TYPE_PUB 0x20000000L
+#define SFTK_TOKEN_TYPE_KEY 0x30000000L
+/* certdb (high bit == 1) */
+#define SFTK_TOKEN_TYPE_TRUST 0x40000000L
+#define SFTK_TOKEN_TYPE_CRL 0x50000000L
+#define SFTK_TOKEN_TYPE_SMIME 0x60000000L
+#define SFTK_TOKEN_TYPE_CERT 0x70000000L
+
+#define SFTK_TOKEN_KRL_HANDLE (SFTK_TOKEN_MAGIC | SFTK_TOKEN_TYPE_CRL | 1)
+/* how big (in bytes) a password/pin we can deal with */
+#define SFTK_MAX_PIN 255
+/* minimum password/pin length (in Unicode characters) in FIPS mode */
+#define FIPS_MIN_PIN 7
+
+/* slot ID's */
+#define NETSCAPE_SLOT_ID 1
+#define PRIVATE_KEY_SLOT_ID 2
+#define FIPS_SLOT_ID 3
+
+/* slot helper macros */
+#define sftk_SlotFromSession(sp) ((sp)->slot)
+#define sftk_isToken(id) (((id)&SFTK_TOKEN_MASK) == SFTK_TOKEN_MAGIC)
+
+/* the session hash multiplier (see bug 201081) */
+#define SHMULTIPLIER 1791398085
+
+/* queueing helper macros */
+#define sftk_hash(value, size) \
+    ((PRUint32)((value)*SHMULTIPLIER) & (size - 1))
+#define sftkqueue_add(element, id, head, hash_size) \
+    {                                               \
+        int tmp = sftk_hash(id, hash_size);         \
+        (element)->next = (head)[tmp];              \
+        (element)->prev = NULL;                     \
+        if ((head)[tmp])                            \
+            (head)[tmp]->prev = (element);          \
+        (head)[tmp] = (element);                    \
+    }
+#define sftkqueue_find(element, id, head, hash_size)                      \
+    for ((element) = (head)[sftk_hash(id, hash_size)]; (element) != NULL; \
+         (element) = (element)->next) {                                   \
+        if ((element)->handle == (id)) {                                  \
+            break;                                                        \
+        }                                                                 \
+    }
+#define sftkqueue_is_queued(element, id, head, hash_size) \
+    (((element)->next) || ((element)->prev) ||            \
+     ((head)[sftk_hash(id, hash_size)] == (element)))
+#define sftkqueue_delete(element, id, head, hash_size)        \
+    if ((element)->next)                                      \
+        (element)->next->prev = (element)->prev;              \
+    if ((element)->prev)                                      \
+        (element)->prev->next = (element)->next;              \
+    else                                                      \
+        (head)[sftk_hash(id, hash_size)] = ((element)->next); \
+    (element)->next = NULL;                                   \
+    (element)->prev = NULL;
+
+#define sftkqueue_init_element(element) \
+    (element)->prev = NULL;
+
+#define sftkqueue_add2(element, id, index, head) \
+    {                                            \
+        (element)->next = (head)[index];         \
+        if ((head)[index])                       \
+            (head)[index]->prev = (element);     \
+        (head)[index] = (element);               \
+    }
+
+#define sftkqueue_find2(element, id, index, head) \
+    for ((element) = (head)[index];               \
+         (element) != NULL;                       \
+         (element) = (element)->next) {           \
+        if ((element)->handle == (id)) {          \
+            break;                                \
+        }                                         \
+    }
+
+#define sftkqueue_delete2(element, id, index, head) \
+    if ((element)->next)                            \
+        (element)->next->prev = (element)->prev;    \
+    if ((element)->prev)                            \
+        (element)->prev->next = (element)->next;    \
+    else                                            \
+        (head)[index] = ((element)->next);
+
+#define sftkqueue_clear_deleted_element(element) \
+    (element)->next = NULL;                      \
+    (element)->prev = NULL;
+
+/* sessionID (handle) is used to determine session lock bucket */
+#ifdef NOSPREAD
+/* NOSPREAD:    (ID>>L2LPB) & (perbucket-1) */
+#define SFTK_SESSION_LOCK(slot, handle) \
+    ((slot)->sessionLock[((handle) >> LOG2_BUCKETS_PER_SESSION_LOCK) & (slot)->sessionLockMask])
+#else
+/* SPREAD:  ID & (perbucket-1) */
+#define SFTK_SESSION_LOCK(slot, handle) \
+    ((slot)->sessionLock[(handle) & (slot)->sessionLockMask])
+#endif
+
+/* expand an attribute & secitem structures out */
+#define sftk_attr_expand(ap) (ap)->type, (ap)->pValue, (ap)->ulValueLen
+#define sftk_item_expand(ip) (ip)->data, (ip)->len
+
+typedef struct sftk_token_parametersStr {
+    CK_SLOT_ID slotID;
+    char *configdir;
+    char *certPrefix;
+    char *keyPrefix;
+    char *updatedir;
+    char *updCertPrefix;
+    char *updKeyPrefix;
+    char *updateID;
+    char *tokdes;
+    char *slotdes;
+    char *updtokdes;
+    int minPW;
+    PRBool readOnly;
+    PRBool noCertDB;
+    PRBool noKeyDB;
+    PRBool forceOpen;
+    PRBool pwRequired;
+    PRBool optimizeSpace;
+} sftk_token_parameters;
+
+typedef struct sftk_parametersStr {
+    char *configdir;
+    char *updatedir;
+    char *updateID;
+    char *secmodName;
+    char *man;
+    char *libdes;
+    PRBool readOnly;
+    PRBool noModDB;
+    PRBool noCertDB;
+    PRBool forceOpen;
+    PRBool pwRequired;
+    PRBool optimizeSpace;
+    sftk_token_parameters *tokens;
+    int token_count;
+} sftk_parameters;
+
+/* path stuff (was machine dependent) used by dbinit.c and pk11db.c */
+#define CERT_DB_FMT "%scert%s.db"
+#define KEY_DB_FMT "%skey%s.db"
+
+SEC_BEGIN_PROTOS
+
+/* shared functions between pkcs11.c and fipstokn.c */
+extern PRBool nsf_init;
+extern CK_RV nsc_CommonInitialize(CK_VOID_PTR pReserved, PRBool isFIPS);
+extern CK_RV nsc_CommonFinalize(CK_VOID_PTR pReserved, PRBool isFIPS);
+extern PRBool sftk_ForkReset(CK_VOID_PTR pReserved, CK_RV *crv);
+extern CK_RV nsc_CommonGetSlotList(CK_BBOOL tokPresent,
+                                   CK_SLOT_ID_PTR pSlotList, CK_ULONG_PTR pulCount, int moduleIndex);
+
+/* slot initialization, reinit, shutdown and destruction */
+extern CK_RV SFTK_SlotInit(char *configdir, char *updatedir, char *updateID,
+                           sftk_token_parameters *params, int moduleIndex);
+extern CK_RV SFTK_SlotReInit(SFTKSlot *slot, char *configdir,
+                             char *updatedir, char *updateID,
+                             sftk_token_parameters *params, int moduleIndex);
+extern CK_RV SFTK_DestroySlotData(SFTKSlot *slot);
+extern CK_RV SFTK_ShutdownSlot(SFTKSlot *slot);
+extern CK_RV sftk_CloseAllSessions(SFTKSlot *slot, PRBool logout);
+
+/* internal utility functions used by pkcs11.c */
+extern SFTKAttribute *sftk_FindAttribute(SFTKObject *object,
+                                         CK_ATTRIBUTE_TYPE type);
+extern void sftk_FreeAttribute(SFTKAttribute *attribute);
+extern CK_RV sftk_AddAttributeType(SFTKObject *object, CK_ATTRIBUTE_TYPE type,
+                                   const void *valPtr, CK_ULONG length);
+extern CK_RV sftk_Attribute2SecItem(PLArenaPool *arena, SECItem *item,
+                                    SFTKObject *object, CK_ATTRIBUTE_TYPE type);
+extern CK_RV sftk_MultipleAttribute2SecItem(PLArenaPool *arena,
+                                            SFTKObject *object,
+                                            SFTKItemTemplate *templ, int count);
+extern unsigned int sftk_GetLengthInBits(unsigned char *buf,
+                                         unsigned int bufLen);
+extern CK_RV sftk_ConstrainAttribute(SFTKObject *object,
+                                     CK_ATTRIBUTE_TYPE type, int minLength,
+                                     int maxLength, int minMultiple);
+extern PRBool sftk_hasAttribute(SFTKObject *object, CK_ATTRIBUTE_TYPE type);
+extern PRBool sftk_isTrue(SFTKObject *object, CK_ATTRIBUTE_TYPE type);
+extern void sftk_DeleteAttributeType(SFTKObject *object,
+                                     CK_ATTRIBUTE_TYPE type);
+extern CK_RV sftk_Attribute2SecItem(PLArenaPool *arena, SECItem *item,
+                                    SFTKObject *object, CK_ATTRIBUTE_TYPE type);
+extern CK_RV sftk_Attribute2SSecItem(PLArenaPool *arena, SECItem *item,
+                                     SFTKObject *object,
+                                     CK_ATTRIBUTE_TYPE type);
+extern SFTKModifyType sftk_modifyType(CK_ATTRIBUTE_TYPE type,
+                                      CK_OBJECT_CLASS inClass);
+extern PRBool sftk_isSensitive(CK_ATTRIBUTE_TYPE type, CK_OBJECT_CLASS inClass);
+extern char *sftk_getString(SFTKObject *object, CK_ATTRIBUTE_TYPE type);
+extern void sftk_nullAttribute(SFTKObject *object, CK_ATTRIBUTE_TYPE type);
+extern CK_RV sftk_GetULongAttribute(SFTKObject *object, CK_ATTRIBUTE_TYPE type,
+                                    CK_ULONG *longData);
+extern CK_RV sftk_forceAttribute(SFTKObject *object, CK_ATTRIBUTE_TYPE type,
+                                 const void *value, unsigned int len);
+extern CK_RV sftk_defaultAttribute(SFTKObject *object, CK_ATTRIBUTE_TYPE type,
+                                   const void *value, unsigned int len);
+extern unsigned int sftk_MapTrust(CK_TRUST trust, PRBool clientAuth);
+
+extern SFTKObject *sftk_NewObject(SFTKSlot *slot);
+extern CK_RV sftk_CopyObject(SFTKObject *destObject, SFTKObject *srcObject);
+extern SFTKFreeStatus sftk_FreeObject(SFTKObject *object);
+extern CK_RV sftk_DeleteObject(SFTKSession *session, SFTKObject *object);
+extern void sftk_ReferenceObject(SFTKObject *object);
+extern SFTKObject *sftk_ObjectFromHandle(CK_OBJECT_HANDLE handle,
+                                         SFTKSession *session);
+extern void sftk_AddSlotObject(SFTKSlot *slot, SFTKObject *object);
+extern void sftk_AddObject(SFTKSession *session, SFTKObject *object);
+/* clear out all the existing object ID to database key mappings.
+ * used to reinit a token */
+extern CK_RV SFTK_ClearTokenKeyHashTable(SFTKSlot *slot);
+
+extern CK_RV sftk_searchObjectList(SFTKSearchResults *search,
+                                   SFTKObject **head, unsigned int size,
+                                   PZLock *lock, CK_ATTRIBUTE_PTR inTemplate,
+                                   int count, PRBool isLoggedIn);
+extern SFTKObjectListElement *sftk_FreeObjectListElement(
+    SFTKObjectListElement *objectList);
+extern void sftk_FreeObjectList(SFTKObjectListElement *objectList);
+extern void sftk_FreeSearch(SFTKSearchResults *search);
+extern CK_RV sftk_handleObject(SFTKObject *object, SFTKSession *session);
+
+extern SFTKSlot *sftk_SlotFromID(CK_SLOT_ID slotID, PRBool all);
+extern SFTKSlot *sftk_SlotFromSessionHandle(CK_SESSION_HANDLE handle);
+extern SFTKSession *sftk_SessionFromHandle(CK_SESSION_HANDLE handle);
+extern void sftk_FreeSession(SFTKSession *session);
+extern SFTKSession *sftk_NewSession(CK_SLOT_ID slotID, CK_NOTIFY notify,
+                                    CK_VOID_PTR pApplication, CK_FLAGS flags);
+extern void sftk_update_state(SFTKSlot *slot, SFTKSession *session);
+extern void sftk_update_all_states(SFTKSlot *slot);
+extern void sftk_FreeContext(SFTKSessionContext *context);
+extern void sftk_InitFreeLists(void);
+extern void sftk_CleanupFreeLists(void);
+
+extern NSSLOWKEYPublicKey *sftk_GetPubKey(SFTKObject *object,
+                                          CK_KEY_TYPE key_type, CK_RV *crvp);
+extern NSSLOWKEYPrivateKey *sftk_GetPrivKey(SFTKObject *object,
+                                            CK_KEY_TYPE key_type, CK_RV *crvp);
+extern void sftk_FormatDESKey(unsigned char *key, int length);
+extern PRBool sftk_CheckDESKey(unsigned char *key);
+extern PRBool sftk_IsWeakKey(unsigned char *key, CK_KEY_TYPE key_type);
+
+/* mechanism allows this operation */
+extern CK_RV sftk_MechAllowsOperation(CK_MECHANISM_TYPE type, CK_ATTRIBUTE_TYPE op);
+
+/* helper function which calls nsslowkey_FindKeyByPublicKey after safely
+ * acquiring a reference to the keydb from the slot */
+NSSLOWKEYPrivateKey *sftk_FindKeyByPublicKey(SFTKSlot *slot, SECItem *dbKey);
+
+/*
+ * parameter parsing functions
+ */
+CK_RV sftk_parseParameters(char *param, sftk_parameters *parsed, PRBool isFIPS);
+void sftk_freeParams(sftk_parameters *params);
+
+/*
+ * narrow objects
+ */
+SFTKSessionObject *sftk_narrowToSessionObject(SFTKObject *);
+SFTKTokenObject *sftk_narrowToTokenObject(SFTKObject *);
+
+/*
+ * token object utilities
+ */
+void sftk_addHandle(SFTKSearchResults *search, CK_OBJECT_HANDLE handle);
+PRBool sftk_poisonHandle(SFTKSlot *slot, SECItem *dbkey,
+                         CK_OBJECT_HANDLE handle);
+SFTKObject *sftk_NewTokenObject(SFTKSlot *slot, SECItem *dbKey,
+                                CK_OBJECT_HANDLE handle);
+SFTKTokenObject *sftk_convertSessionToToken(SFTKObject *so);
+
+/* J-PAKE (jpakesftk.c) */
+extern CK_RV jpake_Round1(HASH_HashType hashType,
+                          CK_NSS_JPAKERound1Params *params,
+                          SFTKObject *key);
+extern CK_RV jpake_Round2(HASH_HashType hashType,
+                          CK_NSS_JPAKERound2Params *params,
+                          SFTKObject *sourceKey, SFTKObject *key);
+extern CK_RV jpake_Final(HASH_HashType hashType,
+                         const CK_NSS_JPAKEFinalParams *params,
+                         SFTKObject *sourceKey, SFTKObject *key);
+
+/* Constant time MAC functions (hmacct.c) */
+
+struct sftk_MACConstantTimeCtxStr {
+    const SECHashObject *hash;
+    unsigned char mac[64];
+    unsigned char secret[64];
+    unsigned int headerLength;
+    unsigned int secretLength;
+    unsigned int totalLength;
+    unsigned char header[75];
+};
+typedef struct sftk_MACConstantTimeCtxStr sftk_MACConstantTimeCtx;
+sftk_MACConstantTimeCtx *sftk_HMACConstantTime_New(
+    CK_MECHANISM_PTR mech, SFTKObject *key);
+sftk_MACConstantTimeCtx *sftk_SSLv3MACConstantTime_New(
+    CK_MECHANISM_PTR mech, SFTKObject *key);
+void sftk_HMACConstantTime_Update(void *pctx, const void *data, unsigned int len);
+void sftk_SSLv3MACConstantTime_Update(void *pctx, const void *data, unsigned int len);
+void sftk_MACConstantTime_EndHash(
+    void *pctx, void *out, unsigned int *outLength, unsigned int maxLength);
+void sftk_MACConstantTime_DestroyContext(void *pctx, PRBool);
+
+/****************************************
+ * implement TLS Pseudo Random Function (PRF)
+ */
+
+extern CK_RV
+sftk_TLSPRFInit(SFTKSessionContext *context,
+                SFTKObject *key,
+                CK_KEY_TYPE key_type,
+                HASH_HashType hash_alg,
+                unsigned int out_len);
+
+SEC_END_PROTOS
+
+#endif /* _PKCS11I_H_ */