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annotate rvinterf/etmsync/cl_des.h @ 737:6d97866bad79

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first round of documentation for DUART28C boot control addition
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 16 Sep 2020 06:10:39 +0000
parents 3d148edb87c2
children
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14
3d148edb87c2 eliminated the dependency on OpenSSL for Pirelli IMEI DES decryption
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1 /*
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2 * This DES implementation is used for the purpose of decrypting
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3 * Pirelli's factory IMEI record; it has been lifted out of TI's
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4 * reference GSM firmware source.
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5 */
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6
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7 #ifndef CL_DES_H
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8 #define CL_DES_H
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9
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10 /**********************************************************************************/
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11
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12 #define CL_DES_BUFFER_SIZE 8
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13 #define CL_DES_KEY_SIZE 8
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14 #define CL_DES_ENCRYPTION 1
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15 #define CL_DES_DECRYPTION 2
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16
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17 /*
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18 +------------------------------------------------------------------------------
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19 | Function : cl_des
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20 +------------------------------------------------------------------------------
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21 | Description : The function performs DES encrypting or decrypting
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22 |
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23 | Parameters : inMsgPtr : pointer to input message M. The length of message
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24 | has to be min. 8 bytes e.g. M = 0123456789abcdef
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25 | desKeyPtr : pointer to DES key. Length has to be 8 bytes
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26 | outMsgPtr : output encrypted/decrypted message. The length is 8 b.
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27 | code : CL_DES_ENCRYPTION, CL_DES_DECRYPTION
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28 +------------------------------------------------------------------------------
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29 */
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30 extern void cl_des(unsigned char *inMsgPtr, unsigned char *desKeyPtr,
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31 unsigned char *outMsgPtr, unsigned char code);
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32
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33
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34 /**********************************************************************************/
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35
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36 #endif /* CL_DES_H */