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core/crypto: Add private attributes for internals

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These constants and internal routines are not intended for use outside
the actual implementations themselves.
This commit is contained in:
Yawning Angel
2023-04-08 10:15:00 +09:00
parent b8c2b0105b
commit 7fc2081543
5 changed files with 27 additions and 1 deletions
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tests/core/crypto/test_core_crypto_modern.odin
+7 -1
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@@ -269,6 +269,12 @@ TestECDH :: struct {
test_x25519 :: proc(t: ^testing.T) {
log(t, "Testing X25519")
// Local copy of this so that the base point doesn't need to be exported.
_BASE_POINT: [32]byte = {
9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}
test_vectors := [?]TestECDH {
// Test vectors from RFC 7748
TestECDH{
@@ -295,7 +301,7 @@ test_x25519 :: proc(t: ^testing.T) {
// Abuse the test vectors to sanity-check the scalar-basepoint multiply.
p1, p2: [x25519.POINT_SIZE]byte
x25519.scalarmult_basepoint(p1[:], scalar[:])
x25519.scalarmult(p2[:], scalar[:], x25519._BASE_POINT[:])
x25519.scalarmult(p2[:], scalar[:], _BASE_POINT[:])
p1_str, p2_str := hex_string(p1[:]), hex_string(p2[:])
expect(t, p1_str == p2_str, fmt.tprintf("Expected %s for %s * basepoint, but got %s instead", p2_str, v.scalar, p1_str))
}