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參數(shù)資料
| 型號(hào)： | AT88SA102S-SH-T |
| 廠商： | Atmel |
| 文件頁數(shù)： | 6/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BATTERY AUTHENTICATION 8SOIC |
| 產(chǎn)品培訓(xùn)模塊： | CryptoAuthentication™ Introduction |
| 標(biāo)準(zhǔn)包裝： | 4,000 |
| 系列： | CryptoAuthentication™ |
| 類型： | 驗(yàn)證芯片 |
| 應(yīng)用： | 網(wǎng)絡(luò)和通信 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 帶卷 (TR) |
14
6.1
MAC
Computes a SHA-256 digest of a key stored inside the chip, an input challenge and other information on the chip. The output
of this command is the digest of this message.
If the message includes the serial number of the chip, then the response is said to be diversified. Protocols that utilize
diversified responses may be more secure because two AT88SA102S chips with same key will return different responses to
an identical challenge based on their unique serial number.
Table 6-1.
Input Parameters
Name
Size
Notes
Opcode
MAC
1
0x08
Param1
Mode
1
Controls which fields within the chip are used in the message
Param2
KeyID
2
Which internal key is to be used in the message
Data
Challenge
32
Input portion of message to be digested
Table 6-2.
Output Parameters
Name
Size
Notes
Response
32
SHA-256 digest
Regardless of the value of mode, the first 512-bit block of the message that will be hashed with the SHA-256 algorithm will
consist of:
256-bits key[KeyID]
256-bits challenge
The second block consists of the following information:
8-bits
Opcode (always 0x08)
8-bits
Mode
16-bits
KeyID
64-bits
Secret Fuses including BurnFuse and BurnSecure enable (or zeros, see Table 6-3)
24-bits
Status Fuses including FuseDisable (or zeros, see Table 6-3)
8-bits
Fuse MfrID fuses, (Fuse[88:95]) (never zero’d out)
32-bits
Fuse SN, (Fuse[96:127]) (or zeros, see Table 6-3)
16-bits
ROM MfrID (never zero’d out)
16-bits
ROM SN (or zeros, see Table 6-3)
1-bit
‘1’ pad
255-bit
‘0’ pad
64-bit
Total length of message in bits (512+192=704), excluding pad and length
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| AT88SA102S-TH-T | 功能描述:序列號(hào)注冊(cè) 58951-Eb CryptoAuth SHA-256 GRN RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度: 電源電壓-最大: 電源電壓-最小: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| AT88SA102S-TSU-T | 功能描述:序列號(hào)注冊(cè) Product Auth. IC CryptoAuth SHA-256 RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度: 電源電壓-最大: 電源電壓-最小: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| AT88SA10HS | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:CryptoAuthentication? Host Security Chip |
| AT88SA10HS_10 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Atmel CryptoAuthentication Host Security Chip |
| AT88SA10HS_11 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Atmel CryptoAuthentication Host Security Chip |
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