31 lines
1.1 KiB
D
31 lines
1.1 KiB
D
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import std.stdio;
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extern(C) void tiger (char* parMessage, ulong parLength, out ulong[3] parOut, char parPadding);
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ulong[3] getTiger (in string parData, bool parV2) {
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char[] unaligned = new char[parData.length + ulong.alignof - 1];
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size_t offset = ((cast(size_t)unaligned.ptr + (ulong.alignof - 1)) & ~cast(size_t)(ulong.alignof - 1)) - cast(size_t)unaligned.ptr;
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assert(offset >= 0 && offset < ulong.alignof);
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assert(offset + parData.length <= unaligned.length);
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char padding = (parV2 ? 0x80 : 0x01);
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char[] aligned = unaligned[offset .. offset + parData.length];
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aligned[] = parData[];
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assert((cast(size_t)aligned.ptr & cast(size_t)(ulong.alignof - 1)) == 0);
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ulong[3] retval;
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tiger(aligned.ptr, aligned.length, retval, padding);
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return retval;
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}
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void printHash(in string parData) {
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ulong[3] hash1 = getTiger(parData, false);
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ulong[3] hash2 = getTiger(parData, true);
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writefln("Tiger hash for \"%s\" is %X %X %X", parData, hash1[0], hash1[1], hash1[2]);
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writefln("Tiger2 hash for \"%s\" is %X %X %X", parData, hash2[0], hash2[1], hash2[2]);
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}
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void main (string[] parArgs) {
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printHash("abc");
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printHash("Tiger");
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}
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