427 lines
13 KiB
OpenEdge ABL
427 lines
13 KiB
OpenEdge ABL
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#ifndef __RSA_H__
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#define __RSA_H__
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#ifndef RSA32API
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#define RSA32API __stdcall
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#endif
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/* rsa.h
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*
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* RSA library functions.
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*
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* Copyright (C) RSA Data Security, Inc. created 1990. This is an
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* unpublished work protected as such under copyright law. This work
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* contains proprietary, confidential, and trade secret information of
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* RSA Data Security, Inc. Use, disclosure or reproduction without the
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* express written authorization of RSA Data Security, Inc. is
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* prohibited.
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*
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RSA1 ((DWORD)'R'+((DWORD)'S'<<8)+((DWORD)'A'<<16)+((DWORD)'1'<<24))
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#define RSA2 ((DWORD)'R'+((DWORD)'S'<<8)+((DWORD)'A'<<16)+((DWORD)'2'<<24))
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// Key header structures.
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//
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// These structs define the fixed data at the beginning of an RSA key.
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// They are followed by a variable length of data, sized by the stlen
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// field.
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typedef struct {
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DWORD magic; /* Should always be RSA1 */
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DWORD keylen; // size of modulus buffer
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DWORD bitlen; // # of bits in modulus
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DWORD datalen; // max number of bytes to be encoded
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DWORD pubexp; //public exponent
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} BSAFE_PUB_KEY, FAR *LPBSAFE_PUB_KEY;
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typedef struct {
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DWORD magic; /* Should always be RSA2 */
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DWORD keylen; // size of modulus buffer
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DWORD bitlen; // bit size of key
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DWORD datalen; // max number of bytes to be encoded
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DWORD pubexp; // public exponent
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} BSAFE_PRV_KEY, FAR *LPBSAFE_PRV_KEY;
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typedef struct {
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BYTE *modulus;
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BYTE *prvexp;
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BYTE *prime1;
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BYTE *prime2;
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BYTE *exp1;
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BYTE *exp2;
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BYTE *coef;
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BYTE *invmod;
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BYTE *invpr1;
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BYTE *invpr2;
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} BSAFE_KEY_PARTS, FAR *LPBSAFE_KEY_PARTS;
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typedef const BYTE far *cLPBYTE; // const LPBYTE resolves wrong
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// Structure for passing info into BSafe calls (currently this is used for
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// passing in a callback function pointer for random number generation and
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// information needed by the RNG, may eventually support exponentiation
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// offload.
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//
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typedef struct {
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void *pRNGInfo; // dat
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void *pFuncRNG; // Function pointer for RNG callback
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// callback prototype is
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// void pFuncRNG(
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// IN void *pRNGInfo,
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// IN OUT unsigned char **ppbRandSeed, // initial seed value (ignored if already set)
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// IN unsigned long *pcbRandSeed,
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// IN OUT unsigned char *pbBuffer,
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// IN unsigned long dwLength
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// );
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} BSAFE_OTHER_INFO;
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/* BSafeEncPublic
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*
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* BSafeEncPublic(key, part_in, part_out)
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*
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* RSA encrypt a buffer of size key->keylen, filled with data of size
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* key->datalen with the public key pointed to by key, returning the
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* encrypted data in part_out.
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*
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* Parameters
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*
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* LPBSAFE_PUB_KEY key - points to a public key in BSAFE_KEY
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* format.
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*
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* LPBYTE part_in - points to a BYTE array of size key->keylen
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* holding the data to be encrypted. The
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* data in the buffer should be no larger
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* than key->datalen. All other bytes should
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* be zero.
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*
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* LPBYTE part_out - points to a BYTE array of size keylen
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* to receive the encrypted data.
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*
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* Returns
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*
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* TRUE - encryption succeeded.
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* FALSE - encryption failed.
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*
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*/
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BOOL
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RSA32API
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BSafeEncPublic(
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const LPBSAFE_PUB_KEY key,
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cLPBYTE part_in,
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LPBYTE part_out
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);
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/* BSafeDecPrivate
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*
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* BSafeDecPrivate(key, part_in, part_out)
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*
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* RSA decrypt a buffer of size keylen, containing key->datalen bytes
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* of data with the private key pointed to by key, returning the
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* decrypted data in part_out.
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*
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* Parameters
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*
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* LPBSAFE_PRV_KEY key - points to a private key in BSAFE_KEY
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* format.
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*
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* LPBYTE part_in - points to a BYTE array of size key->keylen
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* holding the data to be decrypted. The data
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* in the buffer should be no longer than
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* key->datalen. All other bytes should be zero.
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*
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* LPBYTE part_out - points to a BYTE array of size GRAINSIZE
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* to receive the decrypted data.
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*
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* Returns
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*
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* TRUE - decryption succeeded.
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* FALSE - decryption failed.
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*
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*/
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BOOL
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RSA32API
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BSafeDecPrivate(
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const LPBSAFE_PRV_KEY key,
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cLPBYTE part_in,
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LPBYTE part_out
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);
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/* BSafeMakeKeyPair
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*
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* BSafeMakeKeyPair(public_key, private_key, bits)
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*
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* Generate an RSA key pair.
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*
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* Parameters
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*
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* LPBSAFE_PUB_KEY public_key - points to the memory to recieve
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* the public key. This pointer must
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* point to at least the number of bytes
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* specified as the public key size by
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* BSafeComputeKeySizes.
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*
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* LPBSAFE_PRV_KEY private_key - points to the memory to recieve
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* the private key. This pointer must
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* point to at least the number of bytes
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* specified as the private key size
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* by BSafeComputeKeySizes.
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*
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* DWORD bits - length of the requested key in bits.
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* This value must be even and greater than 63
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*
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* Returns
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*
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* TRUE - keys were successfully generated
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* FALSE - not enough memory to generate keys
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*
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*/
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BOOL
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RSA32API
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BSafeMakeKeyPair(
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LPBSAFE_PUB_KEY public_key,
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LPBSAFE_PRV_KEY private_key,
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DWORD bits
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);
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/* BSafeMakeKeyPairEx
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*
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* BSafeMakeKeyPairEx(public_key, private_key, bits, public_exp)
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*
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* Generate an RSA key pair.
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*
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* Parameters
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*
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* LPBSAFE_PUB_KEY public_key - points to the memory to recieve
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* the public key. This pointer must
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* point to at least the number of bytes
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* specified as the public key size by
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* BSafeComputeKeySizes.
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*
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* LPBSAFE_PRV_KEY private_key - points to the memory to recieve
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* the private key. This pointer must
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* point to at least the number of bytes
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* specified as the private key size
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* by BSafeComputeKeySizes.
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*
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* DWORD bits - length of the requested key in bits.
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* This value must be even and greater
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* than 63
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*
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* DWORD public_exp = supplies the public key exponent. This
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* should be a prime number.
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*
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*
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* Returns
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*
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* TRUE - keys were successfully generated
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* FALSE - not enough memory to generate keys
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*
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*/
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BOOL
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RSA32API
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BSafeMakeKeyPairEx(
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LPBSAFE_PUB_KEY public_key,
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LPBSAFE_PRV_KEY private_key,
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DWORD bits,
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DWORD public_exp
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);
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/* BSafeMakeKeyPairEx2
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*
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* BSafeMakeKeyPairEx2(pOtherInfo, public_key, private_key, bits, public_exp)
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*
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* Generate an RSA key pair.
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*
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* Parameters
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*
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* BSAFE_OTHER_INFO pOtherInfo - points to a structure with information
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* alternate information to be used when
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* generating the RSA key pair. Currently
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* this structure has a pointer to a callback
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* function which may be used when generating
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* keys. It also has a information to pass
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* into that callback function (see OTHER_INFO).
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*
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* LPBSAFE_PUB_KEY public_key - points to the memory to recieve
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* the public key. This pointer must
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* point to at least the number of bytes
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* specified as the public key size by
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* BSafeComputeKeySizes.
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*
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* LPBSAFE_PRV_KEY private_key - points to the memory to recieve
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* the private key. This pointer must
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* point to at least the number of bytes
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* specified as the private key size
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* by BSafeComputeKeySizes.
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*
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* DWORD bits - length of the requested key in bits.
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* This value must be even and greater
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* than 63
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*
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* DWORD public_exp = supplies the public key exponent. This
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* should be a prime number.
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*
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*
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* Returns
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*
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* TRUE - keys were successfully generated
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* FALSE - not enough memory to generate keys
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*
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*/
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BOOL
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RSA32API
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BSafeMakeKeyPairEx2(BSAFE_OTHER_INFO *pOtherInfo,
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LPBSAFE_PUB_KEY public_key,
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LPBSAFE_PRV_KEY private_key,
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DWORD bits,
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DWORD dwPubExp);
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/* BSafeFreePubKey
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*
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* BSafeFreePubKey(public_key)
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*
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* Free the data associated with a public key
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*
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* Parameters
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*
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* LPBSAFE_PUB_KEY public_key - points to a BSAFE_PUB_KEY
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* structure to free.
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*
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* Returns
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*
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* nothing
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*
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*/
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void
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RSA32API
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BSafeFreePubKey(
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LPBSAFE_PUB_KEY public_key
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);
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/* BSafeFreePrvKey
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*
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* BSafeFreePrvKey(public_key)
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*
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* Free the data associated with a private key
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*
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* Parameters
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*
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* LPBSAFE_PRV_KEY private_key - points to a BSAFE_PRV_KEY
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* structure to free.
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*
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* Returns
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*
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* nothing
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*
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*/
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void
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RSA32API
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BSafeFreePrvKey(
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LPBSAFE_PRV_KEY private_key
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);
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/* BSafeComputeKeySizes
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*
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* BSafeComputeKeySizes( LPDWORD PubKeySize,
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* LPDWORD PrivKeySize,
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* LPDWORD bits )
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*
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* Computes the required memory to hold a public and private key of
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* a specified number of bits.
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*
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* Parameters:
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*
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* LPDWORD PubKeySize - pointer to DWORD to return the public
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* key size, in bytes.
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*
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* LPDWORD PrivKeySize - pointer to DWORD to return the private
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* key size, in bytes.
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*
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* LPDWORD bits - pointer to DWORD specifying number of bits
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* in the RSA modulus.
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*
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* Returns:
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*
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* TRUE if *bits is a valid RSA modulus size.
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* FALSE if *bits is an invalid RSA modulus size.
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*
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*/
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BOOL
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RSA32API
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BSafeComputeKeySizes(
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LPDWORD PublicKeySize,
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LPDWORD PrivateKeySize,
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LPDWORD bits
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);
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/* BSafeGetPrvKeyParts
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*
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* BOOL BSafeGetPrvKeyParts( LPBSAFE_PRV_KEY key,
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* LPBSAFE_KEY_PARTS parts)
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*
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* Returns pointers to the parts of a private key, and the length of
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* the modulus in bytes.
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*
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* Parameters:
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*
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* LPBSAFE_PRV_KEY key - the key to disassemble
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* LPBSAFE_KEY_PARTS parts - the structure to fill in
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*
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* Returns -
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* FALSE if the key is not valid.
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*/
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BOOL
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RSA32API
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BSafeGetPrvKeyParts(
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LPBSAFE_PRV_KEY key,
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LPBSAFE_KEY_PARTS parts
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);
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/* BSafeGetPubKeyModulus
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*
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* BYTE *BSafeGetPubKeyModulus(LPBSAFE_PUB_KEY key)
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*
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* Returns pointer to the modulus of a public key
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*
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* Parameters:
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*
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* LPBSAFE_PUB_KEY key - the key to disassemble
|
||
|
|
*
|
||
|
|
* Returns -
|
||
|
|
*
|
||
|
|
* Pointer to the parts, VOID on error.
|
||
|
|
* Fails if the key is not valid.
|
||
|
|
*/
|
||
|
|
|
||
|
|
BYTE *
|
||
|
|
RSA32API
|
||
|
|
BSafeGetPubKeyModulus(
|
||
|
|
LPBSAFE_PUB_KEY key
|
||
|
|
);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif // __RSA_H__
|