48 lines
1.8 KiB
Plaintext
48 lines
1.8 KiB
Plaintext
#include <keymanip.cuh>
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__device__ ds64 ktos(const unsigned char* key) noexcept {
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ds64 str;
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const char* hexDigits = "0123456789abcdef";
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#pragma unroll 32
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for (unsigned char i = 0; i < 32; i++) {
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str.data[2 * i] = hexDigits[key[i] >> 4];
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str.data[2 * i + 1] = hexDigits[key[i] & 0x0F];
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}
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str.data[65] = '\0';
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return str;
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}
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__device__ ds46 getAddr(const unsigned char rawAddr[16]) noexcept {
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ds46 addrStr;
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const char* hexDigits = "0123456789abcdef";
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unsigned pos = 0;
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#pragma unroll 8
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for (unsigned char group = 0; group < 8; group++) {
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int idx = group * 2;
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addrStr.data[pos++] = hexDigits[rawAddr[idx] >> 4];
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addrStr.data[pos++] = hexDigits[rawAddr[idx] & 0x0F];
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addrStr.data[pos++] = hexDigits[rawAddr[idx + 1] >> 4];
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addrStr.data[pos++] = hexDigits[rawAddr[idx + 1] & 0x0F];
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if (group < 7) { addrStr.data[pos++] = ':'; }
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}
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addrStr.data[pos] = '\0';
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return addrStr;
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}
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__device__ void getRawAddress(int lErase, Key32& InvertedPublicKey, Addr16& rawAddr) noexcept {
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lErase++;
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const int bitsToShift = lErase & 7;
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const int start = lErase >> 3;
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if (bitsToShift) {
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#pragma unroll
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for (int i = start; i < start + 15; i++) {
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InvertedPublicKey[i] = static_cast<unsigned char>((InvertedPublicKey[i] << bitsToShift) | (InvertedPublicKey[i + 1] >> (8 - bitsToShift)));
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}
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}
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rawAddr[0] = 0x02;
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rawAddr[1] = static_cast<unsigned char>(lErase - 1);
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memcpy(&rawAddr[2], &InvertedPublicKey[start], 14);
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}
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__device__ void invertKey(const unsigned char* key, unsigned char* inverted) {
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for (int i = 0; i < 32; i += 4) {
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uchar4 k = *(reinterpret_cast<const uchar4*>(&key[i]));
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*(reinterpret_cast<uchar4*>(&inverted[i])) = make_uchar4(k.x ^ 0xFF, k.y ^ 0xFF, k.z ^ 0xFF, k.w ^ 0xFF);
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}
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} |