Added better CPU detection.

[silc.git] / TODO

diff --git a/TODO b/TODO
index 2941e0f85827027a6484d6f85e52241723c8e1b8..0132fb66835dddea66c67b58b17aa30bdcb77f84 100644 (file)
--- a/TODO
+++ b/TODO
@@ -54,6 +54,8 @@ lib/silccore
 lib/silcclient, The Client Library
 ==================================
 
 lib/silcclient, The Client Library
 ==================================
 

+ o UDP SILC connection support to SILC server
+

  o Giving WHOIS for nick that doesn't exist should remove any same
    named entries from the client cache.
 
  o Giving WHOIS for nick that doesn't exist should remove any same
    named entries from the client cache.
 


@@ -82,20 +84,11 @@ Runtime library, lib/silcutil/
 
  o Fix universal time decoding (doesn't accept all formats) in silctime.c.
 
 
  o Fix universal time decoding (doesn't accept all formats) in silctime.c.
 

- o Add functions to manipulate environment variables.
-
-   SilcBool silc_setenv(const char *variable, const char *value);
-   const char *silc_getenv(const char *variable);
-   SilcBool silc_clearenv(const char *variable);
+ o Add functions to manipulate environment variables. (***DONE)

 
  o Add functions to loading shared/dynamic object symbols (replaces the
    SIM library (lib/silcsim) and introduces generic library).  Add this
 
  o Add functions to loading shared/dynamic object symbols (replaces the
    SIM library (lib/silcsim) and introduces generic library).  Add this

-   to lib/silcutil/silcdll.[ch].
-
-   SilcDll silc_dll_load(const char *object_path, SilcDllFlags flags);
-   void silc_dll_close(SilcDll dll);
-   void *silc_dll_getsym(SilcDll dll, const char *symbol);
-   const char *silc_dll_error(SilcDll dll);
+   to lib/silcutil/silcdll.[ch].  (***TESTING NEEDED WIN32, TODO Symbian)

 
  o Add directory opening/traversing functions
 
 
  o Add directory opening/traversing functions
 


@@ -170,9 +163,9 @@ Runtime library, lib/silcutil/
  o Structured log messages to Log API.  Allows machine readable log
    messages.  Would allow sending of any kind of data in a log message.
 
  o Structured log messages to Log API.  Allows machine readable log
    messages.  Would allow sending of any kind of data in a log message.
 

- o Base64 to an own API
+ o Base64 to an own API (***DONE)

 
 

- o Timer API
+ o Timer API (***DONE)

 
  o Add builtin SOCKS and HTTP Proxy support, well the SOCKS at least.
    SILC currently supports SOCKS4 and SOCKS5 but it needs to be compiled
 
  o Add builtin SOCKS and HTTP Proxy support, well the SOCKS at least.
    SILC currently supports SOCKS4 and SOCKS5 but it needs to be compiled


@@ -181,11 +174,11 @@ Runtime library, lib/silcutil/
  o silc_stringprep to non-allocating version.
 
  o silc_hash_table_replace -> silc_hash_table_set.  Retain support for
  o silc_stringprep to non-allocating version.
 
  o silc_hash_table_replace -> silc_hash_table_set.  Retain support for

-   silc_hash_table_replace as macro.
+   silc_hash_table_replace as macro. (***DONE)

 
 

- o SilcStack aware SilcHashTable.
+ o SilcStack aware SilcHashTable. (***DONE)

 
 

- o SilcStack aware SilcDList.
+ o SilcStack aware SilcDList. (***DONE)

 
  o Thread pool API.  Add this to lib/silcutil/silcthread.[ch].         (***DONE)
 
 
  o Thread pool API.  Add this to lib/silcutil/silcthread.[ch].         (***DONE)
 


@@ -225,6 +218,9 @@ Runtime library, lib/silcutil/
 
    silc_snprintf(buf, sizeof(buf), "Client ID %@", id_renderer, client_id);
 
 
    silc_snprintf(buf, sizeof(buf), "Client ID %@", id_renderer, client_id);
 

+ o Change silc_gettimeofday on Unix to use clock_gettime with REALTIME
+   clock if it is available, otherwise use gettimeofday().
+

  (o Generic SilcStatus or SilcResult that includes all possible status and
     error conditions, including those of SILC protocol.  Though, the SILC
     protocol related status (currently in silcstatus.h) cannot be in
  (o Generic SilcStatus or SilcResult that includes all possible status and
     error conditions, including those of SILC protocol.  Though, the SILC
     protocol related status (currently in silcstatus.h) cannot be in


@@ -298,7 +294,13 @@ SKR Library, lib/silcskr/
 Crypto Library, lib/silccrypt/
 ==============================
 
 Crypto Library, lib/silccrypt/
 ==============================
 

- o SilcStack to APIs.
+ o Add silc_crypto_init and silc_crypto_uninit.  The _init should take
+   SilcStack that will act as global memory pool for all of crypto
+   library.  It should not be necessary anymore to separately register
+   default ciphers, HMACs, etc, the _init would do that.  However, if
+   user after _init calls silc_pkcs_register, for example, it would take
+   preference over the default once, ie. user can always dictate the
+   order of algorithms. (***DONE)

 
  o Add fingerprint to SilcSILCPublicKey and retrieval to silcpk.h, and
    possibly to silcpkcs.h.
 
  o Add fingerprint to SilcSILCPublicKey and retrieval to silcpk.h, and
    possibly to silcpkcs.h.


@@ -312,74 +314,28 @@ Crypto Library, lib/silccrypt/
 
  o Change SILC PKCS API to asynchronous, so that accelerators can be used.
    All PKCS routines should now take callbacks as argument and they should
 
  o Change SILC PKCS API to asynchronous, so that accelerators can be used.
    All PKCS routines should now take callbacks as argument and they should

-   be delivered to SilcPKCSObject and SilcPKCSAlgorithm too.
-
-   /* Signature computation callback */
-   typedef void (*SilcPKCSSignCb)(SilcBool success,
-                                 const unsigned char *signature,
-                                 SilcUInt32 signature_len,
-                                 void *context);
-
-   /* Signature verification callback */
-   typedef void (*SilcPKCSVerifyCb)(SilcBool success, void *context);
-
-   /* Encryption callback */
-   typedef void (*SilcPKCSEncryptCb)(SilcBool success,
-                                    const unsigned char *encrypted,
-                                    SilcUInt32 encrypted_len,
-                                    void *context);
-
-   /* Decryption callback */
-   typedef void (*SilcPKCSDecryptCb)(SilcBool success,
-                                    const unsigned char *decrypted,
-                                    SilcUInt32 decrypted_len,
-                                    void *context);
-
-   Either add new _async functions or add the callbacks to existing API
-   and if the callback is NULL then the API is not async and if provided
-   it may be async.  For example;
-
-   SilcBool silc_pkcs_sign(SilcPrivateKey private_key,
-                          unsigned char *src, SilcUInt32 src_len,
-                          unsigned char *dst, SilcUInt32 dst_size,
-                          SilcUInt32 *dst_len,
-                          SilcBool compute_hash, SilcHash hash,
-                          SilcPKCSSignCb async_sign,
-                          void *async_sign_context);
-
-   (if this is done then there's no reason why the buffers in the
-    callbacks cannot be the ones user gives here) or allow only async:
-
-   SilcBool silc_pkcs_sign(SilcPrivateKey private_key,
-                          unsigned char *src, SilcUInt32 src_len,
-                          SilcBool compute_hash, SilcHash hash,
-                          SilcPKCSSignCb async_sign,
-                          void *async_sign_context);
-
-   or add new:
-
-   SilcBool silc_pkcs_sign_async(SilcPrivateKey private_key,
-                                unsigned char *src, SilcUInt32 src_len,
-                                SilcBool compute_hash, SilcHash hash,
-                                SilcPKCSSignCb async_sign,
-                                void *async_sign_context);
+   be delivered to SilcPKCSObject and SilcPKCSAlgorithm too. (***DONE)

 
  o Change PKCS Algorithm API to take SilcPKCSAlgorithm as argument to
    encrypt, decrypt, sign and verify functions.  We may need to for exmaple
    check the alg->hash, supported hash functions.  Maybe deliver it also
 
  o Change PKCS Algorithm API to take SilcPKCSAlgorithm as argument to
    encrypt, decrypt, sign and verify functions.  We may need to for exmaple
    check the alg->hash, supported hash functions.  Maybe deliver it also

-   to all other functions in SilcPKCSAlgorithm to be consistent.
+   to all other functions in SilcPKCSAlgorithm to be consistent. (***DONE)

 
 

- o Add DSS support.  Take implementation from Tom or make it yourself.
+ o Add DSA support to SILC public key.
+
+ o Add DSS support. (***DONE)

 
  o Implement the defined SilcDH API.  The definition is in
    lib/silccrypt/silcdh.h.  Make sure it is asynchronous so that it can
    be accelerated.  Also take into account that it could use elliptic
    curves.
 
 
  o Implement the defined SilcDH API.  The definition is in
    lib/silccrypt/silcdh.h.  Make sure it is asynchronous so that it can
    be accelerated.  Also take into account that it could use elliptic
    curves.
 

- o ECDSA and ECDH
+ o Add ECDSA support.
+
+ o Add ECDH support.

 
  o All cipher, hash, hmac etc. allocation routines should take their name
 
  o All cipher, hash, hmac etc. allocation routines should take their name

-   in as const char * not const unsigned char *.
+   in as const char * not const unsigned char *. (***DONE)

 
 
 SILC Accelerator Library
 
 
 SILC Accelerator Library


@@ -388,83 +344,13 @@ SILC Accelerator Library
  o SILC Accelerator API.  Provides generic way to use different kind of
    accelerators.  Basically implements SILC PKCS API so that SilcPublicKey
    and SilcPrivateKey can be used but they call the accelerators.
  o SILC Accelerator API.  Provides generic way to use different kind of
    accelerators.  Basically implements SILC PKCS API so that SilcPublicKey
    and SilcPrivateKey can be used but they call the accelerators.

-
-   Something in the lines of (preliminary):
-
-   /* Register accelerator to system.  Initializes the accelerator. */
-      Varargs are optional accelerator specific init parameteres. */
-   SilcBool silc_acc_register(SilcAccelerator acc, ...);
-
-     silc_acc_register(softacc, "min_threads", 2, "max_threads", 16, NULL);
-
-   /* Unregister accelerator.  Uninitializes the accelerator. */
-   SilcBool silc_acc_unregister(const SilcAccelerator acc);
-
-   /* Return list of the registered accelerators */
-   SilcDList silc_acc_get_supported(void);
-
-   /* Find existing accelerator.  `name' is accelerator's name. */
-   SilcAccelerator silc_acc_find(const char *name);
-
-   /* Return accelerator's name */
-   const char *silc_acc_get_name(SilcAccelerator acc);
-
-   /* Accelerate `public_key'.  Return accelerated public key. */
-   SilcPublicKey silc_acc_public_key(SilcAccelerator acc,
-                                    SilcPublicKey public_key);
-
-   /* Accelerate `private_key'.  Returns accelerated private key. */
-   SilcPrivateKey silc_acc_private_key(SilcAccelerator acc,
-                                      SilcPrivateKey private_key);
-
-   /* Return the underlaying public key */
-   SilcPublicKey silc_acc_get_public_key(SilcAccelerator acc,
-                                        SilcPublicKey public_key);
-
-   /* Return the underlaying private key */
-   SilcPrivateKey silc_acc_get_private_key(SilcAccelerator acc,
-                                          SilcPrivateKey private_key);
-
-   typedef struct SilcAcceleratorObject {
-     const char *name;                 /* Accelerator's name */
-     SilcBool (*init)(va_list va);     /* Initialize accelerator */
-     SilcBool (*uninit)(void);         /* Uninitialize accelerator */
-     const SilcPKCSAlgorithm *pkcs;    /* Accelerated PKCS algorithms */
-     const SilcDHObject *dh;           /* Accelerated Diffie-Hellmans */
-     const SilcCipherObject *cipher;   /* Accelerated ciphers */
-     const SilcHashObject *hash;       /* Accelerated hashes */
-     const SilcHmacObject *hmac;       /* Accelerated HMACs */
-     const SilcRngObject *rng;         /* Accelerated RNG's */
-   } *SilcAccelerator, SilcAcceleratorStruct;
-
-   Allows accelerator to have multiple accelerators (cipher, hash etc)
-   and multiple different algorithms and implementations (SHA-1, SHA-256 etc).
-
-   SilcPublicKey->SilcSILCPublicKey->RsaPublicKey accelerated as:
-   SilcPublicKey->SilcAcceleratorPublicKey->SilcSoftAccPublicKey->
-     SilcPublicKey->SilcSILCPublicKey->RsaPublicKey
-
-   silc_acc_public_key creates SilcPublicKey and SilcAcceleratorPublicKey
-   and acc->pkcs->import_public_key creates SilcSoftAccPublicKey.
+   (***DONE)

 
  o Implement software accelerator.  It is a thread pool system where the
 
  o Implement software accelerator.  It is a thread pool system where the

-   public key and private key operations are executed in threads.
-
-   const struct SilcAcceleratorObject softacc =
-   {
-     "softacc", softacc_init, softacc_uninit,
-     softacc_pkcs, NULL, NULL, NULL, NULL
-   }
+   public key and private key operations are executed in threads. 
+   (***DONE)

 
 

-   /* Called from silc_acc_private_key */
-   int silc_softacc_import_private_key(void *key, SilcUInt32 key_len,
-                                      void **ret_private_key)
-   {
-     SilcSoftAccPrivateKey prv = silc_calloc(1, sizeof(*prv));
-     prv->pkcs = acc->pkcs;
-     prv->private_key = key;
-     *ret_private_key = prv;
-   }
+ o Diffie-Hellman acceleration

 
  (o Symmetric key cryptosystem acceleration?  They are always sycnhronouos
    even with hardware acceleration so the crypto API shouldn't require
 
  (o Symmetric key cryptosystem acceleration?  They are always sycnhronouos
    even with hardware acceleration so the crypto API shouldn't require


@@ -474,13 +360,22 @@ SILC Accelerator Library
 lib/silcmath
 ============
 
 lib/silcmath
 ============
 

- o Import TFM.  Talk to Tom to add the missing functions.  Use TFM in
-   client and client library, but TMA in server, due to the significantly
-   increased memory consumption with TFM, and the rare need for public
-   key operations in server.
+ o Import TFM.  We want TFM's speed but its memory requirements are
+   just too much.  By default it uses large pre-allocated tables which 
+   will eat memory when there are thousands of public keys in system.
+   We probably want to change TFM's fp_int dynamic so that a specific
+   size can be allocated for the int.  We could have two new functions:

 
 

-   We want TFM's speed but not TFM's memory requirements.  Talk to Tom
-   about making the TFM mp dynamic just as it is in LTM.
+   SilcBool silc_mp_init_size(SilcMPInt *mp, SilcUInt32 bit_size);
+   SilcBool silc_mp_sinit_size(SilcStack stack, SilcMPInt *mp,
+                              SilcUInt32 bit_size);
+
+   Which by default allocates `bit_size' bits instead of some default
+   value.  silc_mp_init would allocate the default FP_SIZE with TFM
+   and do normal init with TMA and GMP.  _init_size with TMA and GMP
+   would be same as _init.
+
+ o Add AND, OR and XOR support to TFM or ask Tom to do it.

 
  o The SILC MP API function must start returning indication of success
    and failure of the operation.
 
  o The SILC MP API function must start returning indication of success
    and failure of the operation.


@@ -518,25 +413,24 @@ lib/silcasn1
 
  o SILC_ASN1_CHOICE should perhaps return an index what choice in the
    choice list was found.  Currently it is left for caller to figure out
 
  o SILC_ASN1_CHOICE should perhaps return an index what choice in the
    choice list was found.  Currently it is left for caller to figure out

-   which choice was found.
+   which choice was found. (***DONE)

 
  o SILC_ASN1_NULL in decoding should return SilcBool whether or not
    the NULL was present.  It's important when it's SILC_ASN1_OPTIONAL
 
  o SILC_ASN1_NULL in decoding should return SilcBool whether or not
    the NULL was present.  It's important when it's SILC_ASN1_OPTIONAL

-   and we need to know whether it was present or not.
+   and we need to know whether it was present or not. (***DONE)

 
 
 lib/silcpgp
 ===========
 
 
 
 lib/silcpgp
 ===========
 

- o OpenPGP certificate support, allowing the use of PGP public keys
-   in SILC.
+ o OpenPGP certificate support, allowing the use of PGP public keys.

 
 
 lib/silcssh
 ===========
 
 
 
 lib/silcssh
 ===========
 

- o SSH2 public key/private key support, allowing the use of SSH2 keys
-   in SILC.  RFC 4716.
+ o SSH2 public key/private key support, allowing the use of SSH2 keys.
+   RFC 4716.  (***DONE)

 
 
 lib/silcpkix
 
 
 lib/silcpkix


@@ -594,6 +488,9 @@ lib/silcserver
 
  o Library must have support for SERVICE command.
 
 
  o Library must have support for SERVICE command.
 

+ o Both UDP and TCP support for incoming connecetions.  Maintaining long
+   term UDP sessions.
+

  o The server must be able to run behind NAT device.  This means that
    Server ID must be based on public IP instead of private IP.
 
  o The server must be able to run behind NAT device.  This means that
    Server ID must be based on public IP instead of private IP.