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Diffstat (limited to 'include/bls/bls_if.h')
| -rw-r--r-- | include/bls/bls_if.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/include/bls/bls_if.h b/include/bls/bls_if.h new file mode 100644 index 0000000..7d617d9 --- /dev/null +++ b/include/bls/bls_if.h @@ -0,0 +1,169 @@ +#pragma once +/** + @file + @brief C interface of bls.hpp + @author MITSUNARI Shigeo(@herumi) + @license modified new BSD license + http://opensource.org/licenses/BSD-3-Clause +*/ +#ifndef BLS_MAX_OP_UNIT_SIZE + #error "define BLS_MAX_OP_UNIT_SIZE 4(or 6)" +#endif + +#include <stdint.h> // for uint64_t, uint8_t +#include <stdlib.h> // for size_t + +#ifdef _MSC_VER +#ifdef BLS256_DLL_EXPORT +#define BLS256_DLL_API __declspec(dllexport) +#else +#define BLS256_DLL_API __declspec(dllimport) +#ifndef BLS_NO_AUTOLINK + #if BLS_MAX_OP_UNIT_SIZE == 4 + #pragma comment(lib, "bls_if256.lib") + #endif +#endif +#endif +#else +#define BLS256_DLL_API +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +enum { + blsCurveFp254BNb = 0, + blsCurveFp382_1 = 1, + blsCurveFp382_2 = 2 +}; + +// same value with bls.hpp +enum { + blsIoBin = 2, // binary number + blsIoDec = 10, // decimal number + blsIoHex = 16, // hexadecimal number + blsIoEcComp = 512 // fixed byte representation +}; + +typedef struct { + uint64_t buf[BLS_MAX_OP_UNIT_SIZE]; +} blsId; + +typedef struct { + uint64_t buf[BLS_MAX_OP_UNIT_SIZE]; +} blsSecretKey; + +typedef struct { + uint64_t buf[BLS_MAX_OP_UNIT_SIZE * 2 * 3]; +} blsPublicKey; + +typedef struct { + uint64_t buf[BLS_MAX_OP_UNIT_SIZE * 3]; +} blsSign; + +/* + initialize this library + call this once before using the other method + return 0 if success + @note init() is not thread safe +*/ +BLS256_DLL_API int blsInit(int curve, int maxUnitSize); +BLS256_DLL_API size_t blsGetOpUnitSize(void); +// return strlen(buf) if success else 0 +BLS256_DLL_API int blsGetCurveOrder(char *buf, size_t maxBufSize); +BLS256_DLL_API int blsGetFieldOrder(char *buf, size_t maxBufSize); + +BLS256_DLL_API blsId *blsIdCreate(void); +BLS256_DLL_API void blsIdDestroy(blsId *id); +// return 1 if same else 0 +BLS256_DLL_API int blsIdIsSame(const blsId *lhs, const blsId *rhs); +BLS256_DLL_API void blsIdPut(const blsId *id); +BLS256_DLL_API void blsIdCopy(blsId *dst, const blsId *src); + +// return 0 if success +BLS256_DLL_API int blsIdSetStr(blsId *id, const char *buf, size_t bufSize, int ioMode); + +/* + return written byte size if ioMode = BlsIoComp + return strlen(buf) if ioMode = 2, 10, 16 ; written byte size = strlen(buf) + 1 + return 0 otherwise +*/ +BLS256_DLL_API size_t blsIdGetStr(const blsId *id, char *buf, size_t maxBufSize, int ioMode); +/* + access p[0], ..., p[3] if 256-bit curve + access p[0], ..., p[5] if 384-bit curve +*/ +BLS256_DLL_API void blsIdSet(blsId *id, const uint64_t *p); + +BLS256_DLL_API blsSecretKey* blsSecretKeyCreate(void); +BLS256_DLL_API void blsSecretKeyDestroy(blsSecretKey *sec); +// return 1 if same else 0 +BLS256_DLL_API int blsSecretKeyIsSame(const blsSecretKey *lhs, const blsSecretKey *rhs); + +BLS256_DLL_API void blsSecretKeyPut(const blsSecretKey *sec); +BLS256_DLL_API void blsSecretKeyCopy(blsSecretKey *dst, const blsSecretKey *src); +BLS256_DLL_API void blsSecretKeySetArray(blsSecretKey *sec, const uint64_t *p); +// return 0 if success +BLS256_DLL_API int blsSecretKeySetStr(blsSecretKey *sec, const char *buf, size_t bufSize, int ioMode); +/* + return written byte size if ioMode = BlsIoComp + return strlen(buf) if ioMode = 2, 10, 16 ; written byte size = strlen(buf) + 1 + return 0 otherwise +*/ +BLS256_DLL_API size_t blsSecretKeyGetStr(const blsSecretKey *sec, char *buf, size_t maxBufSize, int ioMode); +BLS256_DLL_API void blsSecretKeyAdd(blsSecretKey *sec, const blsSecretKey *rhs); + +BLS256_DLL_API void blsSecretKeyInit(blsSecretKey *sec); +BLS256_DLL_API void blsSecretKeyGetPublicKey(const blsSecretKey *sec, blsPublicKey *pub); +BLS256_DLL_API void blsSecretKeySign(const blsSecretKey *sec, blsSign *sign, const char *m, size_t size); +// return 0 if success +BLS256_DLL_API int blsSecretKeySet(blsSecretKey *sec, const blsSecretKey* msk, size_t k, const blsId *id); +// return 0 if success +BLS256_DLL_API int blsSecretKeyRecover(blsSecretKey *sec, const blsSecretKey *secVec, const blsId *idVec, size_t n); +BLS256_DLL_API void blsSecretKeyGetPop(const blsSecretKey *sec, blsSign *sign); + +BLS256_DLL_API blsPublicKey *blsPublicKeyCreate(void); +BLS256_DLL_API void blsPublicKeyDestroy(blsPublicKey *pub); +// return 1 if same else 0 +BLS256_DLL_API int blsPublicKeyIsSame(const blsPublicKey *lhs, const blsPublicKey *rhs); +BLS256_DLL_API void blsPublicKeyPut(const blsPublicKey *pub); +BLS256_DLL_API void blsPublicKeyCopy(blsPublicKey *dst, const blsPublicKey *src); +// return 0 if success +BLS256_DLL_API int blsPublicKeySetStr(blsPublicKey *pub, const char *buf, size_t bufSize, int ioMode); +/* + return written byte size if ioMode = BlsIoComp + return strlen(buf) if ioMode = 2, 10, 16 ; written byte size = strlen(buf) + 1 + return 0 otherwise +*/ +BLS256_DLL_API size_t blsPublicKeyGetStr(const blsPublicKey *pub, char *buf, size_t maxBufSize, int ioMode); +BLS256_DLL_API void blsPublicKeyAdd(blsPublicKey *pub, const blsPublicKey *rhs); +// return 0 if success +BLS256_DLL_API int blsPublicKeySet(blsPublicKey *pub, const blsPublicKey *mpk, size_t k, const blsId *id); +// return 0 if success +BLS256_DLL_API int blsPublicKeyRecover(blsPublicKey *pub, const blsPublicKey *pubVec, const blsId *idVec, size_t n); + +BLS256_DLL_API blsSign *blsSignCreate(void); +BLS256_DLL_API void blsSignDestroy(blsSign *sign); +// return 1 if same else 0 +BLS256_DLL_API int blsSignIsSame(const blsSign *lhs, const blsSign *rhs); +BLS256_DLL_API void blsSignPut(const blsSign *sign); +BLS256_DLL_API void blsSignCopy(blsSign *dst, const blsSign *src); +// return 0 if success +BLS256_DLL_API int blsSignSetStr(blsSign *sign, const char *buf, size_t bufSize, int ioMode); +/* + return written byte size if ioMode = BlsIoComp + return strlen(buf) if ioMode = 2, 10, 16 ; written byte size = strlen(buf) + 1 + return 0 otherwise +*/ +BLS256_DLL_API size_t blsSignGetStr(const blsSign *sign, char *buf, size_t maxBufSize, int ioMode); +BLS256_DLL_API void blsSignAdd(blsSign *sign, const blsSign *rhs); +// return 0 if success +BLS256_DLL_API int blsSignRecover(blsSign *sign, const blsSign *signVec, const blsId *idVec, size_t n); +BLS256_DLL_API int blsSignVerify(const blsSign *sign, const blsPublicKey *pub, const char *m, size_t size); + +BLS256_DLL_API int blsSignVerifyPop(const blsSign *sign, const blsPublicKey *pub); + +#ifdef __cplusplus +} +#endif |