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core:crypto/deoxysii: Initial import

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Yawning Angel
2025-03-23 19:14:33 +09:00
parent c2786a6dd5
commit b220df60b8
8 changed files with 1315 additions and 0 deletions
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core/crypto/aead/low_level.odin
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@@ -4,6 +4,7 @@ import "core:crypto/aegis"
import "core:crypto/aes"
import "core:crypto/chacha20"
import "core:crypto/chacha20poly1305"
import "core:crypto/deoxysii"
import "core:reflect"
// Implementation is an AEAD implementation. Most callers will not need
@@ -30,6 +31,7 @@ Algorithm :: enum {
AEGIS_128L_256, // AEGIS-128L (256-bit tag)
AEGIS_256,
AEGIS_256_256, // AEGIS-256 (256-bit tag)
DEOXYS_II_256,
}
// ALGORITM_NAMES is the Algorithm to algorithm name string.
@@ -44,6 +46,7 @@ ALGORITHM_NAMES := [Algorithm]string {
.AEGIS_128L_256 = "AEGIS-128L-256",
.AEGIS_256 = "AEGIS-256",
.AEGIS_256_256 = "AEGIS-256-256",
.DEOXYS_II_256 = "Deoxys-II-256",
}
// TAG_SIZES is the Algorithm to tag size in bytes.
@@ -58,6 +61,7 @@ TAG_SIZES := [Algorithm]int {
.AEGIS_128L_256 = aegis.TAG_SIZE_256,
.AEGIS_256 = aegis.TAG_SIZE_128,
.AEGIS_256_256 = aegis.TAG_SIZE_256,
.DEOXYS_II_256 = deoxysii.TAG_SIZE,
}
// KEY_SIZES is the Algorithm to key size in bytes.
@@ -72,6 +76,7 @@ KEY_SIZES := [Algorithm]int {
.AEGIS_128L_256 = aegis.KEY_SIZE_128L,
.AEGIS_256 = aegis.KEY_SIZE_256,
.AEGIS_256_256 = aegis.KEY_SIZE_256,
.DEOXYS_II_256 = deoxysii.KEY_SIZE,
}
// IV_SIZES is the Algorithm to initialization vector size in bytes.
@@ -88,6 +93,7 @@ IV_SIZES := [Algorithm]int {
.AEGIS_128L_256 = aegis.IV_SIZE_128L,
.AEGIS_256 = aegis.IV_SIZE_256,
.AEGIS_256_256 = aegis.IV_SIZE_256,
.DEOXYS_II_256 = deoxysii.IV_SIZE,
}
// Context is a concrete instantiation of a specific AEAD algorithm.
@@ -97,6 +103,7 @@ Context :: struct {
aes.Context_GCM,
chacha20poly1305.Context,
aegis.Context,
deoxysii.Context,
},
}
@@ -112,6 +119,7 @@ _IMPL_IDS := [Algorithm]typeid {
.AEGIS_128L_256 = typeid_of(aegis.Context),
.AEGIS_256 = typeid_of(aegis.Context),
.AEGIS_256_256 = typeid_of(aegis.Context),
.DEOXYS_II_256 = typeid_of(deoxysii.Context),
}
// init initializes a Context with a specific AEAD Algorithm.
@@ -142,6 +150,9 @@ init :: proc(ctx: ^Context, algorithm: Algorithm, key: []byte, impl: Implementat
case .AEGIS_128L, .AEGIS_128L_256, .AEGIS_256, .AEGIS_256_256:
impl_ := impl != nil ? impl.(aes.Implementation) : aes.DEFAULT_IMPLEMENTATION
aegis.init(&ctx._impl.(aegis.Context), key, impl_)
case .DEOXYS_II_256:
impl_ := impl != nil ? impl.(aes.Implementation) : aes.DEFAULT_IMPLEMENTATION
deoxysii.init(&ctx._impl.(deoxysii.Context), key, impl_)
case .Invalid:
panic("crypto/aead: uninitialized algorithm")
case:
@@ -167,6 +178,8 @@ seal_ctx :: proc(ctx: ^Context, dst, tag, iv, aad, plaintext: []byte) {
chacha20poly1305.seal(&impl, dst, tag, iv, aad, plaintext)
case aegis.Context:
aegis.seal(&impl, dst, tag, iv, aad, plaintext)
case deoxysii.Context:
deoxysii.seal(&impl, dst, tag, iv, aad, plaintext)
case:
panic("crypto/aead: uninitialized algorithm")
}
@@ -191,6 +204,8 @@ open_ctx :: proc(ctx: ^Context, dst, iv, aad, ciphertext, tag: []byte) -> bool {
return chacha20poly1305.open(&impl, dst, iv, aad, ciphertext, tag)
case aegis.Context:
return aegis.open(&impl, dst, iv, aad, ciphertext, tag)
case deoxysii.Context:
return deoxysii.open(&impl, dst, iv, aad, ciphertext, tag)
case:
panic("crypto/aead: uninitialized algorithm")
}
@@ -206,6 +221,8 @@ reset :: proc(ctx: ^Context) {
chacha20poly1305.reset(&impl)
case aegis.Context:
aegis.reset(&impl)
case deoxysii.Context:
deoxysii.reset(&impl)
case:
// Calling reset repeatedly is fine.
}