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You may 30 * obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 31 * 32 * 33 * Unless required by applicable law or agreed to in writing, software 34 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 35 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 36 * 37 * See the License for the specific language governing permissions and 38 * limitations under the License. 39 *******************************************************************************/ 40 41 /* 42 // 43 // Purpose: 44 // Cryptography Primitive. 45 // Internal Definitions and 46 // Internal ng RSA Function Prototypes 47 // 48 // 49 */ 50 51 #if !defined(_CP_NG_RSA_H) 52 #define _CP_NG_RSA_H 53 54 #include "pcpbn.h" 55 #include "pcpmontgomery.h" 56 #include "pcpngmontexpstuff.h" 57 58 struct _cpRSA_public_key { 59 IppCtxId id; /* key ID */ 60 int maxbitSizeN; 61 int maxbitSizeE; 62 int bitSizeN; /* RSA modulus bitsize */ 63 int bitSizeE; /* RSA public exp bitsize */ 64 65 BNU_CHUNK_T* pDataE; /* public exp */ 66 gsModEngine* pMontN; /* montgomery engine (N) */ 67 }; 68 69 /* access */ 70 #define RSA_PUB_KEY_MAXSIZE_N(x) ((x)->maxbitSizeN) 71 #define RSA_PUB_KEY_MAXSIZE_E(x) ((x)->maxbitSizeE) 72 #define RSA_PUB_KEY_ID(x) ((x)->id) 73 #define RSA_PUB_KEY_BITSIZE_N(x) ((x)->bitSizeN) 74 #define RSA_PUB_KEY_BITSIZE_E(x) ((x)->bitSizeE) 75 #define RSA_PUB_KEY_E(x) ((x)->pDataE) 76 #define RSA_PUB_KEY_NMONT(x) ((x)->pMontN) 77 #define RSA_PUB_KEY_VALID_ID(x) (RSA_PUB_KEY_ID((x))==idCtxRSA_PubKey) 78 #define RSA_PUB_KEY_IS_SET(x) (RSA_PUB_KEY_BITSIZE_N((x))>0) 79 80 /* alignment */ 81 #define RSA_PUBLIC_KEY_ALIGNMENT ((int)(sizeof(void*))) 82 83 struct _cpRSA_private_key { 84 IppCtxId id; /* key ID */ 85 int maxbitSizeN; 86 int maxbitSizeD; 87 int bitSizeN; /* RSA modulus bitsize */ 88 int bitSizeD; /* RSA private exp bitsize */ 89 int bitSizeP; /* RSA p-factor bitsize */ 90 int bitSizeQ; /* RSA q-factor bitsize */ 91 92 BNU_CHUNK_T* pDataD; /* private exp */ 93 BNU_CHUNK_T* pDataDp; /* dp private exp */ 94 BNU_CHUNK_T* pDataDq; /* dq private exp */ 95 BNU_CHUNK_T* pDataQinv; /* qinv coeff */ 96 97 gsModEngine* pMontP; /* montgomery engine (P) */ 98 gsModEngine* pMontQ; /* montgomery engine (Q) */ 99 gsModEngine* pMontN; /* montgomery engine (N) */ 100 }; 101 102 /* access */ 103 #define RSA_PRV_KEY_MAXSIZE_N(x) ((x)->maxbitSizeN) 104 #define RSA_PRV_KEY_MAXSIZE_D(x) ((x)->maxbitSizeD) 105 #define RSA_PRV_KEY_ID(x) ((x)->id) 106 #define RSA_PRV_KEY_BITSIZE_N(x) ((x)->bitSizeN) 107 #define RSA_PRV_KEY_BITSIZE_D(x) ((x)->bitSizeD) 108 #define RSA_PRV_KEY_BITSIZE_P(x) ((x)->bitSizeP) 109 #define RSA_PRV_KEY_BITSIZE_Q(x) ((x)->bitSizeQ) 110 #define RSA_PRV_KEY_D(x) ((x)->pDataD) 111 #define RSA_PRV_KEY_DP(x) ((x)->pDataDp) 112 #define RSA_PRV_KEY_DQ(x) ((x)->pDataDq) 113 #define RSA_PRV_KEY_INVQ(x) ((x)->pDataQinv) 114 #define RSA_PRV_KEY_PMONT(x) ((x)->pMontP) 115 #define RSA_PRV_KEY_QMONT(x) ((x)->pMontQ) 116 #define RSA_PRV_KEY_NMONT(x) ((x)->pMontN) 117 #define RSA_PRV_KEY1_VALID_ID(x) (RSA_PRV_KEY_ID((x))==idCtxRSA_PrvKey1) 118 #define RSA_PRV_KEY2_VALID_ID(x) (RSA_PRV_KEY_ID((x))==idCtxRSA_PrvKey2) 119 #define RSA_PRV_KEY_VALID_ID(x) (RSA_PRV_KEY1_VALID_ID((x)) || RSA_PRV_KEY2_VALID_ID((x))) 120 #define RSA_PRV_KEY_IS_SET(x) (RSA_PRV_KEY_BITSIZE_N((x))>0) 121 122 /* alignment */ 123 #define RSA_PRIVATE_KEY_ALIGNMENT ((int)(sizeof(void*))) 124 125 #define MOD_ENGINE_RSA_POOL_SIZE (2) 126 127 /* 128 // Montgomery engine preparation (GetSize/init/Set) 129 */ 130 #define rsaMontExpGetSize OWNAPI(rsaMontExpGetSize) 131 void rsaMontExpGetSize(int length, int* pSize); 132 133 /* 134 // pubic and private key operations 135 */ 136 #define gsRSApub_cipher OWNAPI(gsRSApub_cipher) 137 void gsRSApub_cipher(IppsBigNumState* pY, const IppsBigNumState* pX, const IppsRSAPublicKeyState* pKey, BNU_CHUNK_T* pScratchBuffer); 138 139 #define gsRSAprv_cipher OWNAPI(gsRSAprv_cipher) 140 void gsRSAprv_cipher(IppsBigNumState* pY, const IppsBigNumState* pX, const IppsRSAPrivateKeyState* pKey, BNU_CHUNK_T* pScratchBuffer); 141 142 #define gsRSAprv_cipher_crt OWNAPI(gsRSAprv_cipher_crt) 143 void gsRSAprv_cipher_crt(IppsBigNumState* pY, const IppsBigNumState* pX, const IppsRSAPrivateKeyState* pKey, BNU_CHUNK_T* pScratchBuffer); 144 145 #endif /* _CP_NG_RSA_H */ 146