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#include "fe25519.h" |
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int fe25519_iszero_vartime(const fe25519 *x) |
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{ |
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fe25519 t = *x; |
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fe25519_freeze(&t); |
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if (t.v[0]) return 0; |
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if (t.v[1]) return 0; |
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if (t.v[2]) return 0; |
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if (t.v[3]) return 0; |
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return 1; |
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}
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