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45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/*
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* This header declares the necessary definitions for using the
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* exponentiation acceleration capabilities of Atalla cards. The only
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* cryptographic operation is performed by "ASI_RSAPrivateKeyOpFn" and this
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* takes a structure that defines an "RSA private key". However, it is really
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* only performing a regular mod_exp using the supplied modulus and exponent
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* - no CRT form is being used. Hence, it is a generic mod_exp function in
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* disguise, and we use it as such. Thanks to the people at Atalla for
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* letting me know these definitions are fine and that they can be reproduced
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* here. Geoff.
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*/
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typedef struct ItemStr {
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unsigned char *data;
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int len;
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} Item;
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typedef struct RSAPrivateKeyStr {
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void *reserved;
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Item version;
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Item modulus;
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Item publicExponent;
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Item privateExponent;
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Item prime[2];
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Item exponent[2];
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Item coefficient;
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} RSAPrivateKey;
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/*
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* Predeclare the function pointer types that we dynamically load from the
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* DSO. These use the same names and form that Ben's original support code
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* had (in crypto/bn/bn_exp.c) unless of course I've inadvertently changed
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* the style somewhere along the way!
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*/
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typedef int tfnASI_GetPerformanceStatistics(int reset_flag,
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unsigned int *ret_buf);
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typedef int tfnASI_GetHardwareConfig(long card_num, unsigned int *ret_buf);
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typedef int tfnASI_RSAPrivateKeyOpFn(RSAPrivateKey * rsaKey,
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unsigned char *output,
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unsigned char *input,
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unsigned int modulus_len);
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