STM32芯片燒寫和加密解密

1、STM32芯片燒寫和加密、解密yure nche n 2013/3/4J連接（還可以設(shè)置JLink script）Target - Connect燒寫打開要燒寫的文件，如keil編譯生成的hex文件，點燒寫即可./iewTarget Optityns. WirdcwHelp-Def,Conriectc llenvDesIrtcii檢5 5 寸:l駿呈 n ch 5 5_bocitlcadeHi?PD connect00300 pi _)o| w4IShow 匸Fl ntD-Bce Q 1 2 3-1 | 5678? A B G V Er：dTest卜和 3H 呦 2& 21 61 M m 11

2、 21 MH 98 C9 1A UU UH K:51 IF 90 08 CF 3A 00 SB ?1 3D Q0 38 60 600Q Q.Secure ch p0030 06 09 30 00 00 90 0 00 90 2D 2D 00 08UnE&CLire ch pPl 11 A0 Afl nn 9A AR nn DF 39 肺酬砧 39 dPi Rfl ,.3B 01 00 GSBl 00 Q8 9E QI 00 36 3E 81 QS OS ；.Check blank3B 01 39 B8 3B 81 0Q QB 3E 61 QB 38 30 01 00 BQ ;,JFil wit

3、h zero3B 01 00 R8 3B 01 00 AB 3B 01 SB S8 11 OF08 ；.VkJEras# sectorsF33B 01ld 3V 91 W Ulf 3B 01 MH 08 3B 1 咖囲；.Erase dnipM 3B 01 ae 08 9B ai 00 Q8 3B 01 00 98 3B 01 0 8 ；.01 3B 3Q (J8 3B 91 皺 08 3B 61 MU 98 15 12 90 88 .1PrograniF5MR 01 RA AA31 m 酬 3B Al 脯腦 3B 01 腫踴:.Program 別 Verify1 3B 01 B0 8891

4、00 08 3E SI 0B SG 3B 01 60 OS :. 3D 01 00 68 31B 81 0Q QB JB 61 Q0 38 3B 01 00 08 ;.IAtlLO3B 01 00 R8 3TB 01 00 OB 3B 01 QB 08 3B 0168 i .dVerifyFB 13 12 的 68 3B S1 00 QS 3B 01 SO 98 DF F8 0C PB .,Verffv CRF00 FQ BC FB 00 48 麵 47 Al 49 00 98 EB 3A20 .EF F3 &9 S0 70 47 80 F3 09 S8 ?0 47 F F3 08 f0 .s

5、Read backk47 SQ F2 (18 fifl 7R 47 40 EA 7 49 CQ DA 7B 47 p4GK. d.f QG4 dn HC 1Q*dQ 口口 FT 口口 G1 粗首硏* PI7 石叮 1Start applicationF9 i；dit View a#詞 Options Window Hdpojrt f D 北ConnectDiiconnert：h&nD30000actionSh&w Cfl info.t inttrfice0 1AG speedTett3s 3fHl 11speed lumber1Secure chip09 1;core 1 ddlargsl R

6、AM addressSi2SUnsecure chipCheck bhnkF2Fill with zero匚rd se sectorsF3Erce chipF4Fl 133B 0JU也30 013B J3B 0at 31memory!Pro-g ramFS3B Hf TBira_a加密后將不可通過 JTAG讀寫flash,需要解密才可以解密后flash會被全部清空成OxFF加密解密操作同函數(shù)FLASH_ReadOutProtectio n(ENABLE)FLASH_ReadOutProtectio n(DISABLE)只是通過這個函數(shù)需要代碼執(zhí)行一次后才能完成加密 操作：OB-RDPENABL

7、E:OB-RDP = 0x00;DISABLE:OB-RDP =RDP_Key 0x00A5OB 地址 0x1FFFF800OB結(jié)構(gòu)typedef struct_IO ui nt16_tRDP_IO ui nt16_t USER;_IO uin t16_t Data0;_IO uin t16_t Data1;_IO uin t16_t WRP0;_IO uin t16_t WRP1;_IO uin t16_t WRP2;_IO uin t16_t WRP3; OB_TypeDef;Table 5. Flash module organization (medium-density device

8、s)BlockNameBase addressesSize (hytes)Main rriemoryPage 00x0300 GOOD - 0x0000 03FF1 KbytePage 1OxOSCM) 0400 OmOSOO 07FF1 KbytePage2OkOSDO 0800 - 0x0900 OBFF1 KbytePage 30x0600 X00 - 0x0800 OFFF1 KbytePage 40x0800 1000-aae00l3FF1 Kbyte-Page 127OxCHOl FCOO - 0x0801 FFFF1 KbyteInformal ion blockSystem m

9、emory0x1 FFF FOOD tolFTF F7FF2 KbyiesOption B/tes0x1 FFF F300-OX1FFF FBOF16Flash aneirioryFLASH.ACFI0x4002 2000 - 0x4002 20034FLASHKEYR0x4002 2004 * 0x4002 20074FLASH_OPTKEYR0)(4002 ?00fl - 0x4002 2G0B4FLASH_SR0x4002 2400 201B斗flash_obr0x4002 201C - 0x4002 2Q1F4FLASH_WRPR0x4002 2020 - 0x4002 20334(摘

10、自 refrence.pdf)Flash memory addressOptiion byt&OxiFFF FflOOBits (31:24 MISERBits 23;16 USER: Us&r oplicn byte stored in FLASH OBR9;2J)This hylR 治 ussri io configure thp Inwinrj- Select Hie walchdog event. Hardware or software.- Reset evenl when ent&ring Stop mode.- Reset event when entering Standby

11、rnode.Natt： Only bits 16: J 8 urobita 23:19: Ox! F arc? riot usod.Bit 18: nRST. STDBY0: Reset generated when entering Standby mode.1: Nu resetBit 17:rRST_STOP0: Reset generated when enlenng Stop mode1: No reset generatedBit16;WDG SW0: Harttware waichdog1: Softvvane watchdogBite(15：8r rRDPBits p：0):

12、RDP: Read protection option byteThe rend protection helps ttis user praloct the software code stored in Flash memory It i$ activated by setting the ROP option byte.When this option byte is progrannrned 1o a correct value (RDPRT key = QxOOA5), read access to the Flash memory is al lowed .(The resuM of