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     40 
     41 /*
     42 //
     43 //  Purpose:
     44 //     Cryptography Primitive.
     45 //     RSASSA-PKCS-v1_5
     46 //
     47 */
     48 
     49 #include "owndefs.h"
     50 #include "owncp.h"
     51 #include "pcpngrsa.h"
     52 #include "pcphash.h"
     53 #include "pcptool.h"
     54 
     55 /*
     56 // The DER encoding T of the DigestInfo value is equal to the following (see PKCS-1v2-2):
     57 */
     58 static const Ipp8u   SHA1_fixPS[] = "\x30\x21\x30\x09\x06\x05\x2b\x0e\x03\x02\x1a\x05\x00\x04\x14";
     59 static const Ipp8u SHA224_fixPS[] = "\x30\x2d\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x04\x05\x00\x04\x1c";
     60 static const Ipp8u SHA256_fixPS[] = "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20";
     61 static const Ipp8u SHA384_fixPS[] = "\x30\x41\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x02\x05\x00\x04\x30";
     62 static const Ipp8u SHA512_fixPS[] = "\x30\x51\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x03\x05\x00\x04\x40";
     63 static const Ipp8u    MD5_fixPS[] = "\x30\x20\x30\x0c\x06\x08\x2a\x86\x48\x86\xf7\x0d\x02\x05\x05\x00\x04\x10";
     64 static const Ipp8u SHA512_224_fixPS[] = "\x30\x2d\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x05\x05\x00\x04\x1c";
     65 static const Ipp8u SHA512_256_fixPS[] = "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x06\x05\x00\x04\x20";
     66 
     67 typedef struct {
     68     const Ipp8u* pSalt;
     69     int saltLen;
     70 } SaltInfo;
     71 
     72 static SaltInfo pksc15_salt[ippHashAlg_MaxNo] = {
     73     { NULL,         0 },
     74     { SHA1_fixPS,   sizeof(SHA1_fixPS) - 1 },
     75     { SHA256_fixPS, sizeof(SHA256_fixPS) - 1 },
     76     { SHA224_fixPS, sizeof(SHA224_fixPS) - 1 },
     77     { SHA512_fixPS, sizeof(SHA512_fixPS) - 1 },
     78     { SHA384_fixPS, sizeof(SHA384_fixPS) - 1 },
     79     { MD5_fixPS, sizeof(MD5_fixPS) - 1 },
     80     { NULL,         0 },
     81     { SHA512_224_fixPS, sizeof(SHA512_224_fixPS) - 1 },
     82     { SHA512_256_fixPS, sizeof(SHA512_256_fixPS) - 1 },
     83 };
     84