cc3200: Add uhashlib. Supports SHA1 and SHA256.

cc3200/application.mk

@@ -86,6 +86,7 @@ APP_MISC_SRC_C = $(addprefix misc/,\
 
 APP_MODS_SRC_C = $(addprefix mods/,\
 	modnetwork.c \
+	moduhashlib.c \
 	modpyb.c \
 	moduos.c \
 	modusocket.c \
@@ -124,6 +125,7 @@ APP_TELNET_SRC_C = $(addprefix telnet/,\
 	)
 	
 APP_UTIL_SRC_C = $(addprefix util/,\
+	cryptohash.c \
 	fifo.c \
 	gccollect.c \
 	random.c \

cc3200/bootmgr/bootloader.mk

@@ -50,7 +50,7 @@ BOOT_SL_SRC_C = $(addprefix simplelink/,\
 	)
 
 BOOT_UTIL_SRC_C = $(addprefix util/,\
-	hash.c \
+	cryptohash.c \
 	) 
 
 BOOT_MAIN_SRC_C = \

cc3200/bootmgr/bootmgr.lds

@@ -39,6 +39,7 @@ SECTIONS
     {
         _text = .;
         KEEP(*(.intvecs))
+        *(.boot*)
         *(.text*)
         *(.rodata*)
         *(.ARM.extab* .gnu.linkonce.armextab.*)

cc3200/bootmgr/main.c

@@ -26,6 +26,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+
 #include "std.h"
 
 #include "py/mpconfig.h"
@@ -47,7 +48,7 @@
 #include "flc.h"
 #include "bootmgr.h"
 #include "shamd5.h"
-#include "hash.h"
+#include "cryptohash.h"
 #include "utils.h"
 #include "cc3200_hal.h"
 #include "debug.h"
@@ -151,7 +152,7 @@ static void bootmgr_board_init(void) {
     mperror_bootloader_check_reset_cause();
 
     // Enable the Data Hashing Engine
-    HASH_Init();
+    CRYPTOHASH_Init();
 
     // Init the system led and the system switch
     mperror_init0();
@@ -175,7 +176,7 @@ static bool bootmgr_verify (void) {
 
         if (FsFileInfo.FileLen > BOOTMGR_HASH_SIZE) {
             FsFileInfo.FileLen -= BOOTMGR_HASH_SIZE;
-            HASH_SHAMD5Start(BOOTMGR_HASH_ALGO, FsFileInfo.FileLen);
+            CRYPTOHASH_SHAMD5Start(BOOTMGR_HASH_ALGO, FsFileInfo.FileLen);
             do {
                 if ((FsFileInfo.FileLen - offset) > BOOTMGR_BUFF_SIZE) {
                     reqlen = BOOTMGR_BUFF_SIZE;
@@ -185,10 +186,10 @@ static bool bootmgr_verify (void) {
                 }
 
                 offset += sl_FsRead(fHandle, offset, bootmgr_file_buf, reqlen);
-                HASH_SHAMD5Update(bootmgr_file_buf, reqlen);
+                CRYPTOHASH_SHAMD5Update(bootmgr_file_buf, reqlen);
             } while (offset < FsFileInfo.FileLen);
 
-            HASH_SHAMD5Read (bootmgr_file_buf);
+            CRYPTOHASH_SHAMD5Read (bootmgr_file_buf);
 
             // convert the resulting hash to hex
             for (_u32 i = 0; i < (BOOTMGR_HASH_SIZE / 2); i++) {

cc3200/mods/moduhashlib.c

@@ -0,0 +1,215 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014 Paul Sokolovsky
+ * Copyright (c) 2015 Daniel Campora
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include "py/mpconfig.h"
+#include MICROPY_HAL_H
+#include "py/nlr.h"
+#include "py/runtime.h"
+#include "inc/hw_types.h"
+#include "inc/hw_ints.h"
+#include "inc/hw_nvic.h"
+#include "inc/hw_shamd5.h"
+#include "inc/hw_dthe.h"
+#include "hw_memmap.h"
+#include "rom_map.h"
+#include "prcm.h"
+#include "shamd5.h"
+#include "cryptohash.h"
+#include "mpexception.h"
+
+
+/******************************************************************************
+ DEFINE PRIVATE TYPES
+ ******************************************************************************/
+typedef struct _mp_obj_hash_t {
+    mp_obj_base_t base;
+    uint8_t *buffer;
+    uint32_t b_size;
+    uint32_t c_size;
+    uint8_t  algo;
+    uint8_t  h_size;
+    bool  fixedlen;
+    bool  digested;
+    uint8_t hash[32];
+} mp_obj_hash_t;
+
+/******************************************************************************
+ DECLARE PRIVATE FUNCTIONS
+ ******************************************************************************/
+STATIC void hash_update_internal(mp_obj_t self_in, mp_obj_t data, bool digest);
+STATIC mp_obj_t hash_read (mp_obj_t self_in);
+
+/******************************************************************************
+ DEFINE PRIVATE FUNCTIONS
+ ******************************************************************************/
+STATIC void hash_update_internal(mp_obj_t self_in, mp_obj_t data, bool digest) {
+    mp_obj_hash_t *self = self_in;
+    mp_buffer_info_t bufinfo;
+
+    if (data) {
+        mp_get_buffer_raise(data, &bufinfo, MP_BUFFER_READ);
+    }
+
+    if (digest) {
+        CRYPTOHASH_SHAMD5Start (self->algo, self->b_size);
+    }
+
+    if (self->c_size < self->b_size || !data || !self->fixedlen) {
+        if (digest || self->fixedlen) {
+            // no data means we want to process our internal buffer
+            CRYPTOHASH_SHAMD5Update (data ? bufinfo.buf : self->buffer, data ? bufinfo.len : self->b_size);
+            self->c_size += data ? bufinfo.len : 0;
+        } else {
+            self->buffer = m_renew(byte, self->buffer, self->b_size, self->b_size + bufinfo.len);
+            mp_seq_copy((byte*)self->buffer + self->b_size, bufinfo.buf, bufinfo.len, byte);
+            self->b_size += bufinfo.len;
+            self->digested = false;
+        }
+    } else {
+        nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_request_not_possible));
+    }
+}
+
+STATIC mp_obj_t hash_read (mp_obj_t self_in) {
+    mp_obj_hash_t *self = self_in;
+
+    if (!self->fixedlen) {
+        if (!self->digested) {
+            hash_update_internal(self, MP_OBJ_NULL, true);
+        }
+    } else if (self->c_size < self->b_size) {
+        // it's a fixed len block which is still incomplete
+        nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_request_not_possible));
+    }
+
+    if (!self->digested) {
+        CRYPTOHASH_SHAMD5Read ((uint8_t *)self->hash);
+        self->digested = true;
+    }
+    return mp_obj_new_bytes(self->hash, self->h_size);
+}
+
+/******************************************************************************/
+// Micro Python bindings
+
+STATIC mp_obj_t hash_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    mp_arg_check_num(n_args, n_kw, 0, 2, false);
+    mp_obj_hash_t *self = m_new0(mp_obj_hash_t, 1);
+    self->base.type = type_in;
+    if (self->base.type->name == MP_QSTR_sha1) {
+        self->algo = SHAMD5_ALGO_SHA1;
+        self->h_size = 20;
+    } else /* if (self->base.type->name == MP_QSTR_sha256) */ {
+        self->algo = SHAMD5_ALGO_SHA256;
+        self->h_size = 32;
+    } /* else {
+        self->algo = SHAMD5_ALGO_MD5;
+        self->h_size = 32;
+    } */
+
+    if (n_args) {
+        // CPython extension to avoid buffering the data before digesting it
+        // note: care must be taken to provide all intermidiate blocks as multiple
+        //       of four bytes, otherwise the resulted hash will be incorrect.
+        //       the final block can be of any length
+        if (n_args > 1) {
+            // block size given, we will feed the data directly into the hash engine
+            self->fixedlen = true;
+            self->b_size = mp_obj_get_int(args[1]);
+            hash_update_internal(self, args[0], true);
+        } else {
+            hash_update_internal(self, args[0], false);
+        }
+    }
+    return self;
+}
+
+STATIC mp_obj_t hash_update(mp_obj_t self_in, mp_obj_t arg) {
+    mp_obj_hash_t *self = self_in;
+    hash_update_internal(self, arg, false);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_2(hash_update_obj, hash_update);
+
+STATIC mp_obj_t hash_digest(mp_obj_t self_in) {
+    return hash_read(self_in);
+}
+MP_DEFINE_CONST_FUN_OBJ_1(hash_digest_obj, hash_digest);
+
+STATIC mp_obj_t hash_hexdigest(mp_obj_t self_in) {
+    (void)self_in;
+    mp_not_implemented("");
+}
+MP_DEFINE_CONST_FUN_OBJ_1(hash_hexdigest_obj, hash_hexdigest);
+
+STATIC const mp_map_elem_t hash_locals_dict_table[] = {
+    { MP_OBJ_NEW_QSTR(MP_QSTR_update),    (mp_obj_t) &hash_update_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_digest),    (mp_obj_t) &hash_digest_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_hexdigest), (mp_obj_t) &hash_hexdigest_obj },
+};
+
+STATIC MP_DEFINE_CONST_DICT(hash_locals_dict, hash_locals_dict_table);
+
+//STATIC const mp_obj_type_t md5_type = {
+//    { &mp_type_type },
+//    .name = MP_QSTR_md5,
+//    .make_new = hash_make_new,
+//    .locals_dict = (mp_obj_t)&hash_locals_dict,
+//};
+
+STATIC const mp_obj_type_t sha1_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_sha1,
+    .make_new = hash_make_new,
+    .locals_dict = (mp_obj_t)&hash_locals_dict,
+};
+
+STATIC const mp_obj_type_t sha256_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_sha256,
+    .make_new = hash_make_new,
+    .locals_dict = (mp_obj_t)&hash_locals_dict,
+};
+
+STATIC const mp_map_elem_t mp_module_hashlib_globals_table[] = {
+    { MP_OBJ_NEW_QSTR(MP_QSTR___name__),    MP_OBJ_NEW_QSTR(MP_QSTR_uhashlib) },
+//    { MP_OBJ_NEW_QSTR(MP_QSTR_md5),         (mp_obj_t)&md5_type },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_sha1),        (mp_obj_t)&sha1_type },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_sha256),      (mp_obj_t)&sha256_type },
+};
+
+STATIC MP_DEFINE_CONST_DICT(mp_module_hashlib_globals, mp_module_hashlib_globals_table);
+
+const mp_obj_module_t mp_module_uhashlib = {
+    .base = { &mp_type_module },
+    .name = MP_QSTR_uhashlib,
+    .globals = (mp_obj_dict_t*)&mp_module_hashlib_globals,
+};
+

cc3200/mods/moduhashlib.h

@@ -0,0 +1,32 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014 Paul Sokolovsky
+ * Copyright (c) 2015 Daniel Campora
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MODUHASHLIB_H_
+#define MODUHASHLIB_H_
+
+extern const mp_obj_module_t mp_module_uhashlib;
+
+#endif // MODUHASHLIB_H_

cc3200/mpconfigport.h

@@ -114,6 +114,7 @@ extern const struct _mp_obj_module_t mp_module_network;
     { MP_OBJ_NEW_QSTR(MP_QSTR_uselect),     (mp_obj_t)&mp_module_uselect },   \
     { MP_OBJ_NEW_QSTR(MP_QSTR_usocket),     (mp_obj_t)&mp_module_usocket },   \
     { MP_OBJ_NEW_QSTR(MP_QSTR_network),     (mp_obj_t)&mp_module_network },   \
+    { MP_OBJ_NEW_QSTR(MP_QSTR_uhashlib),    (mp_obj_t)&mp_module_uhashlib },  \
 
 #define MICROPY_PORT_BUILTIN_MODULE_WEAK_LINKS \
     { MP_OBJ_NEW_QSTR(MP_QSTR_binascii),    (mp_obj_t)&mp_module_ubinascii }, \
@@ -124,6 +125,7 @@ extern const struct _mp_obj_module_t mp_module_network;
     { MP_OBJ_NEW_QSTR(MP_QSTR_time),        (mp_obj_t)&mp_module_utime },     \
     { MP_OBJ_NEW_QSTR(MP_QSTR_select),      (mp_obj_t)&mp_module_uselect },   \
     { MP_OBJ_NEW_QSTR(MP_QSTR_socket),      (mp_obj_t)&mp_module_usocket },   \
+    { MP_OBJ_NEW_QSTR(MP_QSTR_hashlib),     (mp_obj_t)&mp_module_uhashlib },  \
 
 // extra constants
 #define MICROPY_PORT_CONSTANTS \

cc3200/mptask.c

@@ -65,6 +65,7 @@
 #include "pybsleep.h"
 #include "pybtimer.h"
 #include "mpcallback.h"
+#include "cryptohash.h"
 
 /******************************************************************************
  DECLARE PRIVATE CONSTANTS
@@ -289,6 +290,8 @@ STATIC void mptask_pre_init (void) {
     pybsd_init0();
 #endif
 
+    CRYPTOHASH_Init();
+
 #ifdef DEBUG
     ASSERT (OSI_OK == osi_TaskCreate(TASK_Servers,
                                      (const signed char *)"Servers",

cc3200/qstrdefsport.h

@@ -349,3 +349,12 @@ Q(PWM)
 Q(POSITIVE)
 Q(NEGATIVE)
 
+// for uhashlib module
+Q(hashlib)
+Q(uhashlib)
+Q(update)
+Q(digest)
+Q(hexdigest)
+//Q(md5)
+Q(sha1)
+Q(sha256)

cc3200/util/cryptohash.c

@@ -35,20 +35,20 @@
 #include "rom_map.h"
 #include "prcm.h"
 #include "shamd5.h"
-#include "hash.h"
+#include "cryptohash.h"
-#include "simplelink.h"
 
 
 /******************************************************************************
  DEFINE PUBLIC FUNCTIONS
  ******************************************************************************/
-void HASH_Init (void) {
+__attribute__ ((section (".boot")))
+void CRYPTOHASH_Init (void) {
     // Enable the Data Hashing and Transform Engine
     MAP_PRCMPeripheralClkEnable(PRCM_DTHE, PRCM_RUN_MODE_CLK | PRCM_SLP_MODE_CLK);
     MAP_PRCMPeripheralReset(PRCM_DTHE);
 }
 
-void HASH_SHAMD5Start (uint32_t algo, uint32_t blocklen) {
+void CRYPTOHASH_SHAMD5Start (uint32_t algo, uint32_t blocklen) {
     // wait until the context is ready
     while ((HWREG(SHAMD5_BASE + SHAMD5_O_IRQSTATUS) & SHAMD5_INT_CONTEXT_READY) == 0);
 
@@ -64,12 +64,12 @@ void HASH_SHAMD5Start (uint32_t algo, uint32_t blocklen) {
     HWREG(SHAMD5_BASE + SHAMD5_O_LENGTH) = blocklen;
 }
 
-void HASH_SHAMD5Update (uint8_t *data, uint32_t datalen) {
+void CRYPTOHASH_SHAMD5Update (uint8_t *data, uint32_t datalen) {
     // write the data
     SHAMD5DataWriteMultiple(data, datalen);
 }
 
-void HASH_SHAMD5Read (uint8_t *hash) {
+void CRYPTOHASH_SHAMD5Read (uint8_t *hash) {
     // wait for the output to be ready
     while((HWREG(SHAMD5_BASE + SHAMD5_O_IRQSTATUS) & SHAMD5_INT_OUTPUT_READY) == 0);
     // read the result

cc3200/util/cryptohash.h

@@ -24,15 +24,15 @@
  * THE SOFTWARE.
  */
 
-#ifndef HASH_H_
+#ifndef CRYPTOHASH_H_
-#define HASH_H_
+#define CRYPTOHASH_H_
 
 /******************************************************************************
  DECLARE PUBLIC FUNCTIONS
  ******************************************************************************/
-extern void HASH_Init (void);
+extern void CRYPTOHASH_Init (void);
-extern void HASH_SHAMD5Start (uint32_t algo, uint32_t blocklen);
+extern void CRYPTOHASH_SHAMD5Start (uint32_t algo, uint32_t blocklen);
-extern void HASH_SHAMD5Update (uint8_t *data, uint32_t datalen);
+extern void CRYPTOHASH_SHAMD5Update (uint8_t *data, uint32_t datalen);
-extern void HASH_SHAMD5Read (uint8_t *hash);
+extern void CRYPTOHASH_SHAMD5Read (uint8_t *hash);
 
-#endif /* HASH_H_ */
+#endif /* CRYPTOHASH_H_ */