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CLRC63201T/0FE Scheda tecnica(PDF) 138 Page - NXP Semiconductors |
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CLRC63201T/0FE Scheda tecnica(HTML) 138 Page - NXP Semiconductors |
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138 / 163 page ![]() Philips Semiconductors Product Specification Rev. 3.0; May 2003 Multiple Protocol Contactless Reader IC CL RC632 138 Confidential 19.3 Performing MIFARE Classic Authentication To enable authentication of MIFARE Classic cards the Crypto1 security algorithm is implemented. To obtain valid authentication, the correct key has to be available in the key buffer of the CL RC632. Step 1: Load the internal key buffer by means of the LoadKeyE2- (see 18.9.1) or the LoadKey-Command (see 18.9.2). Step 2: Start the Authent1-Command (see 18.9.3). When finished, check the error flags to obtain the status of the command execution. Step 3: Start the Authent2-Command (see 18.9.4). When finished, check the error flags and bit Crypto1On to obtain the status of the command execution. |
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