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core/crypto/_aes: Remove redundant sanity checks

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This commit is contained in:
Yawning Angel
2024-07-16 01:29:43 +09:00
parent c9c0b9ea7b
commit 1bc21c3481
1 changed files with 2 additions and 12 deletions
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core/crypto/_aes/ct64/api.odin
+2 -12
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@@ -7,9 +7,8 @@ STRIDE :: 4
// Context is a keyed AES (ECB) instance. // Context is a keyed AES (ECB) instance.
Context :: struct { Context :: struct {
_sk_exp: [120]u64, _sk_exp: [120]u64,
_num_rounds: int, _num_rounds: int,
_is_initialized: bool,
} }
// init initializes a context for AES with the provided key. // init initializes a context for AES with the provided key.
@@ -18,13 +17,10 @@ init :: proc(ctx: ^Context, key: []byte) {
ctx._num_rounds = keysched(skey[:], key) ctx._num_rounds = keysched(skey[:], key)
skey_expand(ctx._sk_exp[:], skey[:], ctx._num_rounds) skey_expand(ctx._sk_exp[:], skey[:], ctx._num_rounds)
ctx._is_initialized = true
} }
// encrypt_block sets `dst` to `AES-ECB-Encrypt(src)`. // encrypt_block sets `dst` to `AES-ECB-Encrypt(src)`.
encrypt_block :: proc(ctx: ^Context, dst, src: []byte) { encrypt_block :: proc(ctx: ^Context, dst, src: []byte) {
assert(ctx._is_initialized)
q: [8]u64 q: [8]u64
load_blockx1(&q, src) load_blockx1(&q, src)
_encrypt(&q, ctx._sk_exp[:], ctx._num_rounds) _encrypt(&q, ctx._sk_exp[:], ctx._num_rounds)
@@ -33,8 +29,6 @@ encrypt_block :: proc(ctx: ^Context, dst, src: []byte) {
// encrypt_block sets `dst` to `AES-ECB-Decrypt(src)`. // encrypt_block sets `dst` to `AES-ECB-Decrypt(src)`.
decrypt_block :: proc(ctx: ^Context, dst, src: []byte) { decrypt_block :: proc(ctx: ^Context, dst, src: []byte) {
assert(ctx._is_initialized)
q: [8]u64 q: [8]u64
load_blockx1(&q, src) load_blockx1(&q, src)
_decrypt(&q, ctx._sk_exp[:], ctx._num_rounds) _decrypt(&q, ctx._sk_exp[:], ctx._num_rounds)
@@ -43,8 +37,6 @@ decrypt_block :: proc(ctx: ^Context, dst, src: []byte) {
// encrypt_blocks sets `dst` to `AES-ECB-Encrypt(src[0], .. src[n])`. // encrypt_blocks sets `dst` to `AES-ECB-Encrypt(src[0], .. src[n])`.
encrypt_blocks :: proc(ctx: ^Context, dst, src: [][]byte) { encrypt_blocks :: proc(ctx: ^Context, dst, src: [][]byte) {
assert(ctx._is_initialized)
q: [8]u64 = --- q: [8]u64 = ---
src, dst := src, dst src, dst := src, dst
@@ -67,8 +59,6 @@ encrypt_blocks :: proc(ctx: ^Context, dst, src: [][]byte) {
// decrypt_blocks sets dst to `AES-ECB-Decrypt(src[0], .. src[n])`. // decrypt_blocks sets dst to `AES-ECB-Decrypt(src[0], .. src[n])`.
decrypt_blocks :: proc(ctx: ^Context, dst, src: [][]byte) { decrypt_blocks :: proc(ctx: ^Context, dst, src: [][]byte) {
assert(ctx._is_initialized)
q: [8]u64 = --- q: [8]u64 = ---
src, dst := src, dst src, dst := src, dst