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core/crypto/aegis: Initial import

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This commit is contained in:
Yawning Angel
2025-03-23 19:14:33 +09:00
parent 9fdcc4e39a
commit c2786a6dd5
11 changed files with 1441 additions and 86 deletions
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core/crypto/_aes/ct64/helpers.odin
+31 -24
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@@ -3,17 +3,39 @@ package aes_ct64
import "core:crypto/_aes"
import "core:encoding/endian"
@(require_results)
load_interleaved :: proc "contextless" (src: []byte) -> (u64, u64) {
w0 := endian.unchecked_get_u32le(src[0:])
w1 := endian.unchecked_get_u32le(src[4:])
w2 := endian.unchecked_get_u32le(src[8:])
w3 := endian.unchecked_get_u32le(src[12:])
return interleave_in(w0, w1, w2, w3)
}
store_interleaved :: proc "contextless" (dst: []byte, a0, a1: u64) {
w0, w1, w2, w3 := interleave_out(a0, a1)
endian.unchecked_put_u32le(dst[0:], w0)
endian.unchecked_put_u32le(dst[4:], w1)
endian.unchecked_put_u32le(dst[8:], w2)
endian.unchecked_put_u32le(dst[12:], w3)
}
@(require_results)
xor_interleaved :: #force_inline proc "contextless" (a0, a1, b0, b1: u64) -> (u64, u64) {
return a0 ~ b0, a1 ~ b1
}
@(require_results)
and_interleaved :: #force_inline proc "contextless" (a0, a1, b0, b1: u64) -> (u64, u64) {
return a0 & b0, a1 & b1
}
load_blockx1 :: proc "contextless" (q: ^[8]u64, src: []byte) {
if len(src) != _aes.BLOCK_SIZE {
panic_contextless("aes/ct64: invalid block size")
}
w: [4]u32 = ---
w[0] = endian.unchecked_get_u32le(src[0:])
w[1] = endian.unchecked_get_u32le(src[4:])
w[2] = endian.unchecked_get_u32le(src[8:])
w[3] = endian.unchecked_get_u32le(src[12:])
q[0], q[4] = interleave_in(w[:])
q[0], q[4] = #force_inline load_interleaved(src)
orthogonalize(q)
}
@@ -23,11 +45,7 @@ store_blockx1 :: proc "contextless" (dst: []byte, q: ^[8]u64) {
}
orthogonalize(q)
w0, w1, w2, w3 := interleave_out(q[0], q[4])
endian.unchecked_put_u32le(dst[0:], w0)
endian.unchecked_put_u32le(dst[4:], w1)
endian.unchecked_put_u32le(dst[8:], w2)
endian.unchecked_put_u32le(dst[12:], w3)
#force_inline store_interleaved(dst, q[0], q[4])
}
load_blocks :: proc "contextless" (q: ^[8]u64, src: [][]byte) {
@@ -35,17 +53,11 @@ load_blocks :: proc "contextless" (q: ^[8]u64, src: [][]byte) {
panic_contextless("aes/ct64: invalid block(s) size")
}
w: [4]u32 = ---
for s, i in src {
if len(s) != _aes.BLOCK_SIZE {
panic_contextless("aes/ct64: invalid block size")
}
w[0] = endian.unchecked_get_u32le(s[0:])
w[1] = endian.unchecked_get_u32le(s[4:])
w[2] = endian.unchecked_get_u32le(s[8:])
w[3] = endian.unchecked_get_u32le(s[12:])
q[i], q[i + 4] = interleave_in(w[:])
q[i], q[i + 4] = #force_inline load_interleaved(s)
}
orthogonalize(q)
}
@@ -64,11 +76,6 @@ store_blocks :: proc "contextless" (dst: [][]byte, q: ^[8]u64) {
if len(d) != _aes.BLOCK_SIZE {
panic_contextless("aes/ct64: invalid block size")
}
w0, w1, w2, w3 := interleave_out(q[i], q[i + 4])
endian.unchecked_put_u32le(d[0:], w0)
endian.unchecked_put_u32le(d[4:], w1)
endian.unchecked_put_u32le(d[8:], w2)
endian.unchecked_put_u32le(d[12:], w3)
#force_inline store_interleaved(d, q[i], q[i + 4])
}
}