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49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* This header declares the necessary definitions for using the exponentiation
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* acceleration capabilities of Atalla cards. The only cryptographic operation
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* is performed by "ASI_RSAPrivateKeyOpFn" and this takes a structure that
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* defines an "RSA private key". However, it is really only performing a
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* regular mod_exp using the supplied modulus and exponent - no CRT form is
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* being used. Hence, it is a generic mod_exp function in disguise, and we use
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* it as such.
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*
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* Thanks to the people at Atalla for letting me know these definitions are
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* fine and that they can be reproduced here.
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*
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* Geoff.
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*/
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typedef struct ItemStr
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{
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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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{
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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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/* Predeclare the function pointer types that we dynamically load from the DSO.
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* These use the same names and form that Ben's original support code had (in
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* crypto/bn/bn_exp.c) unless of course I've inadvertently changed the style
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* 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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