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style: Ordered procedures by usage, with main at the top.

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Spencer Brower
2026-06-18 07:55:11 -04:00
parent 3b32e365c9
commit 96bc218c46
5 changed files with 355 additions and 368 deletions
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125
crypto.odin
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@@ -20,74 +20,12 @@ RecipientEntry :: struct {
EncryptedKey: [CRYPTO_SECRETBOX_KEY_BYTES + CRYPTO_BOX_MAC_BYTES]u8,
}
sodium_initialized: bool
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
}
X25519Keypair :: struct {
Public: [CRYPTO_BOX_PUBLICKEY_BYTES]u8,
Private: [CRYPTO_BOX_SECRETKEY_BYTES]u8,
}
ssh_to_x25519 :: proc(keys: []SshKeyPair) -> (pairs: []X25519Keypair, ok: bool) {
if len(keys) == 0 {
return
}
pairs = make([]X25519Keypair, len(keys))
for i in 0 ..< len(keys) {
ssh_kp, parse_ok := parse_ssh_private_key(keys[i].Private)
if !parse_ok {
fmt.printf("Error: failed to parse SSH private key: %s\n", keys[i].Private)
delete(pairs)
return
}
ssh_pub, pub_ok := parse_ssh_public_key(keys[i].Public)
if !pub_ok {
fmt.printf("Error: failed to parse SSH public key: %s\n", keys[i].Public)
delete(pairs)
return
}
pk_rc := crypto_sign_ed25519_pk_to_curve25519(&pairs[i].Public[0], &ssh_pub[0])
if pk_rc != 0 {
fmt.println("Error: failed to convert ed25519 public key to curve25519")
delete(pairs)
return
}
ed25519_sk: [64]u8
for j in 0 ..< 32 {
ed25519_sk[j] = ssh_kp.Private[j]
}
for j in 0 ..< 32 {
ed25519_sk[32 + j] = ssh_kp.Public[j]
}
sk_rc := crypto_sign_ed25519_sk_to_curve25519(&pairs[i].Private[0], &ed25519_sk[0])
if sk_rc != 0 {
fmt.println("Error: failed to convert ed25519 private key to curve25519")
delete(pairs)
return
}
}
ok = true
return
}
sodium_initialized: bool
encrypt :: proc(plaintext: []u8, keys: []SshKeyPair) -> (ciphertext: []u8, ok: bool) {
if !ensure_sodium() {
@@ -336,3 +274,64 @@ decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: b
return
}
ssh_to_x25519 :: proc(keys: []SshKeyPair) -> (pairs: []X25519Keypair, ok: bool) {
if len(keys) == 0 {
return
}
pairs = make([]X25519Keypair, len(keys))
for i in 0 ..< len(keys) {
ssh_kp, parse_ok := parse_ssh_private_key(keys[i].Private)
if !parse_ok {
fmt.printf("Error: failed to parse SSH private key: %s\n", keys[i].Private)
delete(pairs)
return
}
ssh_pub, pub_ok := parse_ssh_public_key(keys[i].Public)
if !pub_ok {
fmt.printf("Error: failed to parse SSH public key: %s\n", keys[i].Public)
delete(pairs)
return
}
pk_rc := crypto_sign_ed25519_pk_to_curve25519(&pairs[i].Public[0], &ssh_pub[0])
if pk_rc != 0 {
fmt.println("Error: failed to convert ed25519 public key to curve25519")
delete(pairs)
return
}
ed25519_sk: [64]u8
for j in 0 ..< 32 {
ed25519_sk[j] = ssh_kp.Private[j]
}
for j in 0 ..< 32 {
ed25519_sk[32 + j] = ssh_kp.Public[j]
}
sk_rc := crypto_sign_ed25519_sk_to_curve25519(&pairs[i].Private[0], &ed25519_sk[0])
if sk_rc != 0 {
fmt.println("Error: failed to convert ed25519 private key to curve25519")
delete(pairs)
return
}
}
ok = true
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
}