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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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core/crypto/chacha20poly1305/chacha20poly1305.odin
+5
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@@ -10,8 +10,10 @@ KEY_SIZE :: chacha20.KEY_SIZE
NONCE_SIZE :: chacha20.NONCE_SIZE
TAG_SIZE :: poly1305.TAG_SIZE
@(private)
_P_MAX :: 64 * 0xffffffff // 64 * (2^32-1)
@(private)
_validate_common_slice_sizes :: proc (tag, key, nonce, aad, text: []byte) {
if len(tag) != TAG_SIZE {
panic("crypto/chacha20poly1305: invalid destination tag size")
@@ -37,7 +39,10 @@ _validate_common_slice_sizes :: proc (tag, key, nonce, aad, text: []byte) {
}
}
@(private)
_PAD: [16]byte
@(private)
_update_mac_pad16 :: #force_inline proc (ctx: ^poly1305.Context, x_len: int) {
if pad_len := 16 - (x_len & (16-1)); pad_len != 16 {
poly1305.update(ctx, _PAD[:pad_len])