tiny_encryption_algorithm.h File Reference

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Functions
uvec2	encrypt_tea (uvec2 arg)

Function Documentation

encrypt_tea()

uvec2 encrypt_tea

(

uvec2

arg

)

Definition at line 20 of file tiny_encryption_algorithm.h.

{
    const uint key[] = {
        0xa341316c, 0xc8013ea4, 0xad90777d, 0x7e95761e
    };
    uint v0 = arg[0], v1 = arg[1];
    uint sum = 0;
    uint delta = 0x9e3779b9;
 
    #pragma unroll
    for(int i = 0; i < 16; i++) {
    //for(int i = 0; i < 32; i++) {
        sum += delta;
        v0 += ((v1 << 4) + key[0]) ^ (v1 + sum) ^ ((v1 >> 5) + key[1]);
        v1 += ((v0 << 4) + key[2]) ^ (v0 + sum) ^ ((v0 >> 5) + key[3]);
    }
    return uvec2(v0, v1);
}