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