TWI456394B - Read and encryption mechanism for ic - Google Patents

Read and encryption mechanism for ic Download PDF

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Publication number
TWI456394B
TWI456394B TW100140220A TW100140220A TWI456394B TW I456394 B TWI456394 B TW I456394B TW 100140220 A TW100140220 A TW 100140220A TW 100140220 A TW100140220 A TW 100140220A TW I456394 B TWI456394 B TW I456394B
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TW
Taiwan
Prior art keywords
code
check
data
check code
comparing
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TW100140220A
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Chinese (zh)
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TW201319808A (en
Inventor
Chien Liang Lin
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Sonix Technology Co Ltd
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Priority to TW100140220A priority Critical patent/TWI456394B/en
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Publication of TWI456394B publication Critical patent/TWI456394B/en

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  • Storage Device Security (AREA)
  • Semiconductor Integrated Circuits (AREA)

Claims (22)

一種晶片讀取方法,包括:根據一晶片之一原始碼以及內建於該晶片之一取碼規則建立一第一校驗碼;以及比對一外部裝置中之一資料與該第一校驗碼,其中,若該資料與該校驗碼相同,則釋出該原始碼給該外部裝置。 A wafer reading method comprising: establishing a first verification code according to a source code of a chip and a code acquisition rule built in the chip; and comparing one of the data in the external device with the first verification a code, wherein if the data is the same as the check code, the source code is released to the external device. 如申請專利範圍第1項的方法,其中,該第一校驗碼具有一校驗預設長度。 The method of claim 1, wherein the first check code has a check preset length. 如申請專利範圍第1項的方法,其中,該比對步驟包括:比對一或多個單位之該資料與該第一校驗碼。 The method of claim 1, wherein the comparing step comprises: comparing the data of the one or more units with the first check code. 如申請專利範圍第3項的方法,更包括:持續比對該一或多個單位之資料與該第一校驗碼,直至完成所有該第一校驗碼之比對。 The method of claim 3, further comprising: continuously comparing the data of the one or more units with the first check code until all of the first check codes are compared. 如申請專利範圍第3或4項的方法,其中,該單位可為一位元組(Byte)。 The method of claim 3, wherein the unit is a one-byte (Byte). 如申請專利範圍第3或4項的方法,其中,該單位可為一四位組(Nibble)。 The method of claim 3, wherein the unit is a four-part group (Nibble). 如申請專利範圍第3或4項的方法,其中,該單位可為一字元組(word)。 The method of claim 3, wherein the unit is a word. 如申請專利範圍第1項的方法,其中,該原始碼係儲存在該晶片之一唯讀記憶體中。 The method of claim 1, wherein the source code is stored in a read-only memory of the wafer. 如申請專利範圍第8項的方法,其中,該唯讀記憶體係為一一次性可編程唯讀記憶體。 The method of claim 8, wherein the read-only memory system is a one-time programmable read-only memory. 如申請專利範圍第8項的方法,其中,該唯讀記憶體係為一快閃記憶體。 The method of claim 8, wherein the read-only memory system is a flash memory. 如申請專利範圍第8項的方法,其中,該唯讀記憶體係為一電子抹除式可編程唯讀記憶體。 The method of claim 8, wherein the read-only memory system is an electronic erasable programmable read-only memory. 如申請專利範圍第1項的方法,其中,該資料係依該取碼規則由該外部裝置所具有的原始碼產生。 The method of claim 1, wherein the data is generated by the source code of the external device according to the code-taking rule. 如申請專利範圍第12項的方法,其中,該比對步驟包含:該晶片根據該取碼規則對該資料取得一第二校驗碼;若該第二校驗碼與該第一校驗碼相同,則釋出該晶片之該原始碼給該外部裝置。 The method of claim 12, wherein the comparing step comprises: the chip obtaining a second check code for the data according to the code-taking rule; and if the second check code and the first check code In the same case, the original code of the wafer is released to the external device. 一種晶片讀取方法,包括:根據一晶片之一原始碼以及內建於該晶片之一取碼規則建立一第一校驗碼;基於該取碼規則對一外部裝置中之一資料進行取碼以產生一第二校驗碼;以及比對該第一校驗碼與該第二校驗碼,其中,若該第一校驗碼與該第二校驗碼相同,則釋出該原始碼給該外部裝置。 A method for reading a wafer, comprising: establishing a first verification code according to a source code of a chip and a code acquisition rule built in the chip; and acquiring data of one of the external devices based on the code acquisition rule Generating a second check code; and comparing the first check code with the second check code, wherein if the first check code is the same as the second check code, releasing the original code Give the external device. 一種晶片加密方法,包括:一晶片之一原始碼根據一內建於該晶片之一取碼規則產生一校驗碼;以及比對該校驗碼與一外部資料。 A method for encrypting a wafer, comprising: generating a check code according to a code acquisition rule built in one of the chips; and comparing the check code with an external data. 如申請專利範圍第15項的方法,其中,該比對步驟包括: 比對一或多個單位之該外部資料與該校驗碼。 The method of claim 15, wherein the comparing step comprises: Comparing the external data of one or more units with the check code. 如申請專利範圍第16項的方法,更包括:持續比對該一或多個單位之該外部資料與該校驗碼直至完成所有該校驗碼之比對。 The method of claim 16, further comprising: continuously comparing the external data of the one or more units with the check code until all of the check codes are completed. 如申請專利範圍第16或17項的方法,其中,該單位可為一位元組(Byte)。 The method of claim 16 or 17, wherein the unit is a one-byte (Byte). 如申請專利範圍第16或17項的方法,其中,該單位可為一四位組(Nibble)。 The method of claim 16 or 17, wherein the unit is a four-part group (Nibble). 如申請專利範圍第16或17項的方法,其中,該單位可為一字元組(word)。 The method of claim 16 or 17, wherein the unit is a word. 如申請專利範圍第15項的方法,其中,該比對步驟係透過該晶片中之一比對電路實現。 The method of claim 15, wherein the comparing step is performed by a matching circuit in the wafer. 如申請專利範圍第15項的方法,其中,該外部資料係依該取碼規則由一外部裝置所具有的一原始碼產生。 The method of claim 15, wherein the external data is generated by a source code of an external device according to the code-taking rule.
TW100140220A 2011-11-04 2011-11-04 Read and encryption mechanism for ic TWI456394B (en)

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TW100140220A TWI456394B (en) 2011-11-04 2011-11-04 Read and encryption mechanism for ic

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1133991A (en) * 1995-04-19 1996-10-23 联华电子股份有限公司 Software protective device and method using readable writable memory unit with different I/O data
TWM303425U (en) * 2006-07-17 2006-12-21 Hung-Ru Liau Data-protecting module of a programmed memory using encrypting/decrypting technique
CN101740111A (en) * 2008-11-11 2010-06-16 国民技术股份有限公司 Semiconductor memory device and method thereof for realizing safe memory of data
TW201030517A (en) * 2009-02-05 2010-08-16 Nuvoton Technology Corp Integrated circuit and memory protection apparatus and methods thereof
CN102131190A (en) * 2011-03-31 2011-07-20 华为终端有限公司 Method for encrypting mobile terminal, hardware encryption device and mobile terminal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1133991A (en) * 1995-04-19 1996-10-23 联华电子股份有限公司 Software protective device and method using readable writable memory unit with different I/O data
TWM303425U (en) * 2006-07-17 2006-12-21 Hung-Ru Liau Data-protecting module of a programmed memory using encrypting/decrypting technique
CN101740111A (en) * 2008-11-11 2010-06-16 国民技术股份有限公司 Semiconductor memory device and method thereof for realizing safe memory of data
TW201030517A (en) * 2009-02-05 2010-08-16 Nuvoton Technology Corp Integrated circuit and memory protection apparatus and methods thereof
CN102131190A (en) * 2011-03-31 2011-07-20 华为终端有限公司 Method for encrypting mobile terminal, hardware encryption device and mobile terminal

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