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/* crypto.h
*
* Prototypes and definitions for services in crypto.c
*
* ported to win nt from win 95 on 6/95
* Cory West
*/
#include <windef.h>
#define CIPHERBLOCKSIZE 8 // size of RC2 block
#define MAX_RSA_BITS 512 // actually 420
#define MAX_RSA_BYTES (MAX_RSA_BITS/8)
#define B_PSIZEBITS 210
#define B_PSIZEWORDS (1 + B_PSIZEBITS/32)
void __cdecl
GenRandomBytes(
BYTE *output,
int len
);
//
// Generate an 8 byte key from a seed of the given length.
//
void __cdecl
GenKey8(
BYTE *keyData,
int keyDataLen,
BYTE key8[8]
);
void __cdecl
MD2(
BYTE *input,
const int inlen,
BYTE *output
);
//
// RC2 encrypt and decrypt wrappers.
//
int __cdecl
CBCEncrypt(
BYTE *key, // secret key
BYTE const *ivec, // initialization vector, NULL implies zero vector
BYTE *const input, // plain text
int inlen, // size of plaintext
BYTE *const output, // encrypted text
int *outlen, // OUTPUT: size of encrypted text
const int checksumlen // size of checksum, if 0 no checksum is used
);
int __cdecl
CBCDecrypt(
BYTE *key, // secret key
BYTE *ivec, // initialization vector, null ptr implies zero vector
BYTE *input, // encrypted text
int inlen, // size of encrypted text
BYTE *output, // plain text
int *outlen, // OUTPUT: size of plaintext
int checksumlen // size of checksum; 0=> no checksum
);
//
// Wrappers to the RSA code.
//
int __cdecl
RSAGetInputBlockSize(
BYTE *keydata,
int keylen
);
BYTE * __cdecl
RSAGetModulus(
BYTE *keydata,
int keylen,
int *modSize
);
BYTE * _cdecl
RSAGetPublicExponent(
BYTE *keydata,
int keylen,
int *expSize
);
int __cdecl
RSAPack(
BYTE *input,
int inlen,
BYTE *output,
int blocksize
);
int __cdecl
RSAPublic(
BYTE *pukeydata, // BSAFE 1 itemized public key data
int pukeylen, // length of BSAFE1 keydata (including sign)
BYTE *input, // input block
int inlen, // size of input (< modulus)
BYTE *output // encrypted block (modulus sized)
);
int __cdecl
RSAPrivate(
BYTE *prkeydata,
int prkeylen,
BYTE *input,
int inlen,
BYTE *output
);
int __cdecl
RSAModMpy(
BYTE *pukeydata, // BSAFE 1 itemized public key data
int pukeylen, // length of BSAFE1 keydata (including sign)
BYTE *input1, // input block
int inlen1, // size of input (< modulus)
BYTE *input2, // multiplier
int inlen2, // size of multiplier
BYTE *output // encrypted block (modulus sized)
);
int __cdecl
RSAModExp(
BYTE *pukeydata, // BSAFE 1 itemized public key data
int pukeylen, // length of BSAFE1 keydata (including sign)
BYTE *input1, // input block
int inlen1, // size of input (< modulus)
BYTE *exponent,
int explen,
BYTE *output // encrypted block (modulus sized)
);
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