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refactor(crypto): used a proper init procedure.

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Spencer Brower
2026-06-18 08:18:09 -04:00
parent 96bc218c46
commit d2b84ac4c6
1 changed files with 7 additions and 21 deletions
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28
crypto.odin
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@@ -2,6 +2,7 @@ package main
import "core:fmt" import "core:fmt"
import "core:mem" import "core:mem"
import "core:os"
MAGIC :: "ENVR" MAGIC :: "ENVR"
MAGIC_BYTES := [4]u8{u8('E'), u8('N'), u8('V'), u8('R')} MAGIC_BYTES := [4]u8{u8('E'), u8('N'), u8('V'), u8('R')}
@@ -25,13 +26,14 @@ X25519Keypair :: struct {
Private: [CRYPTO_BOX_SECRETKEY_BYTES]u8, Private: [CRYPTO_BOX_SECRETKEY_BYTES]u8,
} }
sodium_initialized: bool @(init)
init_sodium :: proc "contextless" () {
if sodium_init() < 0 {
os.exit(1)
}
}
encrypt :: proc(plaintext: []u8, keys: []SshKeyPair) -> (ciphertext: []u8, ok: bool) { encrypt :: proc(plaintext: []u8, keys: []SshKeyPair) -> (ciphertext: []u8, ok: bool) {
if !ensure_sodium() {
return
}
x25519_pairs, pairs_ok := ssh_to_x25519(keys) x25519_pairs, pairs_ok := ssh_to_x25519(keys)
if !pairs_ok { if !pairs_ok {
return return
@@ -131,10 +133,6 @@ encrypt :: proc(plaintext: []u8, keys: []SshKeyPair) -> (ciphertext: []u8, ok: b
} }
decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: bool) { decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: bool) {
if !ensure_sodium() {
return
}
if len(ciphertext) < HEADER_SIZE { if len(ciphertext) < HEADER_SIZE {
fmt.println("Error: ciphertext too short (header)") fmt.println("Error: ciphertext too short (header)")
return return
@@ -323,15 +321,3 @@ ssh_to_x25519 :: proc(keys: []SshKeyPair) -> (pairs: []X25519Keypair, ok: bool)
return return
} }
ensure_sodium :: proc() -> bool {
if sodium_initialized {
return true
}
rc := sodium_init()
if rc < 0 {
fmt.println("Error: libsodium initialization failed")
return false
}
sodium_initialized = true
return true
}