92 lines
2.4 KiB
OpenEdge ABL
92 lines
2.4 KiB
OpenEdge ABL
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/* rsa_math.h
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*
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* Headers for math routines related to RSA.
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*
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* Except for Mod(), output parameters are listed first
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*/
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// void Decrement(LPDWORD A, DWORD N)
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// Decrement the value A of length N.
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void Decrement(LPDWORD A, DWORD N);
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// BOOL Increment(LPDWORD A, DWORD N)
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// Increment the value A of length N.
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BOOL Increment(LPDWORD A, DWORD N);
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// void SetValDWORD(LPDWORD num DWORD val, WORD len)
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// Set the value of num to val.
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void SetValDWORD(LPDWORD num, DWORD val, DWORD len);
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// void TwoPower(LPDWORD A, DWORD V, DWORD N)
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// Set A to 2^^V
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void TwoPower(LPDWORD A, DWORD V, DWORD N);
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// DWORD DigitLen(LPDWORD A, DWORD N)
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// Return the number of non-zero words in A.
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// N is number of total words in A.
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DWORD DigitLen(LPDWORD A, DWORD N);
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// DWORD BitLen(LPDWORD A, DWORD N)
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// Return the bit length of A.
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// N is the number of total words in A.
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DWORD BitLen(LPDWORD A, DWORD N);
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// void MultiplyLow(A, B, C, N)
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// A = lower half of B * C.
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void MultiplyLow(LPDWORD A, LPDWORD B, LPDWORD C, DWORD N);
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// int Compare(A, B, N)
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// Return 1 if A > B
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// Return 0 if A = B
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// Return -1 if A < B
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int Compare(LPDWORD A, LPDWORD B, DWORD N);
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// Multiply(A, B, C, N)
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// A = B * C
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// B and C are N DWORDS long
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// A is 2N DWORDS long
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void Multiply(LPDWORD A, LPDWORD B, LPDWORD C, DWORD N);
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// Square(A, B, N)
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// A = B * B
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// B is N DWORDS long
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// A is 2N DWORDS long
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void Square(LPDWORD A, LPDWORD B, DWORD N);
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// Mod(A, B, R, T, N)
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// R = A mod B
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// T = allocated length of A
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// N = allocated length of B
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BOOL Mod(LPDWORD A, LPDWORD B, LPDWORD R, DWORD T, DWORD N);
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// ModSquare(A, B, D, N)
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// A = B ^ 2 mod D
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// N = len B
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BOOL ModSquare(LPDWORD A, LPDWORD B, LPDWORD D, DWORD N);
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// ModMultiply(A, B, C, D, N)
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// A = B * C mod D
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// N = len B, C, D
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BOOL ModMultiply(LPDWORD A, LPDWORD B, LPDWORD C, LPDWORD D, DWORD N);
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// Divide(qi, ri, uu, vv, N)
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// qi = uu / vv
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// ri = uu mod vv
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// N = len uu, vv
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BOOL Divide(LPDWORD qi,LPDWORD ri, LPDWORD uu, LPDWORD vv, DWORD ll, DWORD kk);
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// GCD
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// extended euclid GCD.
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// N = length of params
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BOOL GCD(LPDWORD u3, LPDWORD u1, LPDWORD u2, LPDWORD u, LPDWORD v, DWORD k);
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// ModExp
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// A = B ^ C mod D
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// N = len of params
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BOOL ModExp(LPDWORD A, LPDWORD B, LPDWORD C, LPDWORD D, DWORD len);
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// ModRoot(M, C, PP, QQ, DP, DQ, CR)
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// CRT ModExp.
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BOOL ModRoot(LPDWORD M, LPDWORD C, LPDWORD PP, LPDWORD QQ, LPDWORD DP, LPDWORD DQ, LPDWORD CR, DWORD PSize) ;
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