spencer/envr
1
0
Fork 0
mirror of https://github.com/sbrow/envr.git synced 2026-06-27 18:48:33 -04:00
Code Issues Packages Projects Releases Wiki Activity

style: Removed unused code.

Browse Source
This commit is contained in:
Spencer Brower
2026-06-12 17:43:30 -04:00
parent 8d2c5403e8
commit 8e00c78f12
9 changed files with 79 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
crypto.odin
View File

@@ -6,7 +6,11 @@ import "core:mem"
MAGIC :: "ENVR"
MAGIC_BYTES := [4]u8{u8('E'), u8('N'), u8('V'), u8('R')}
RECIPIENT_ENTRY_SIZE :: CRYPTO_BOX_PUBLICKEY_BYTES + CRYPTO_BOX_NONCE_BYTES + CRYPTO_SECRETBOX_KEY_BYTES + CRYPTO_BOX_MAC_BYTES
RECIPIENT_ENTRY_SIZE ::
CRYPTO_BOX_PUBLICKEY_BYTES +
CRYPTO_BOX_NONCE_BYTES +
CRYPTO_SECRETBOX_KEY_BYTES +
CRYPTO_BOX_MAC_BYTES
HEADER_SIZE :: 4 + CRYPTO_BOX_PUBLICKEY_BYTES + CRYPTO_SECRETBOX_NONCE_BYTES + 4
@@ -108,7 +112,13 @@ encrypt :: proc(plaintext: []u8, keys: []SshKeyPair) -> (ciphertext: []u8, ok: b
if len(plaintext) > 0 {
pt_ptr = &plaintext[0]
}
rc := crypto_secretbox_easy(&secret_ct[0], pt_ptr, u64(len(plaintext)), &main_nonce[0], &sym_key[0])
rc := crypto_secretbox_easy(
&secret_ct[0],
pt_ptr,
u64(len(plaintext)),
&main_nonce[0],
&sym_key[0],
)
if rc != 0 {
fmt.println("Error: symmetric encryption failed")
delete(secret_ct)
@@ -166,7 +176,11 @@ encrypt :: proc(plaintext: []u8, keys: []SshKeyPair) -> (ciphertext: []u8, ok: b
pos += CRYPTO_BOX_PUBLICKEY_BYTES
mem.copy(&ciphertext[pos], &entries[i].Nonce[0], CRYPTO_BOX_NONCE_BYTES)
pos += CRYPTO_BOX_NONCE_BYTES
mem.copy(&ciphertext[pos], &entries[i].EncryptedKey[0], CRYPTO_SECRETBOX_KEY_BYTES + CRYPTO_BOX_MAC_BYTES)
mem.copy(
&ciphertext[pos],
&entries[i].EncryptedKey[0],
CRYPTO_SECRETBOX_KEY_BYTES + CRYPTO_BOX_MAC_BYTES,
)
pos += CRYPTO_SECRETBOX_KEY_BYTES + CRYPTO_BOX_MAC_BYTES
}
@@ -209,8 +223,11 @@ decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: b
}
offset += CRYPTO_SECRETBOX_NONCE_BYTES
num_recipients := u32(ciphertext[offset]) << 24 | u32(ciphertext[offset + 1]) << 16 |
u32(ciphertext[offset + 2]) << 8 | u32(ciphertext[offset + 3])
num_recipients :=
u32(ciphertext[offset]) << 24 |
u32(ciphertext[offset + 1]) << 16 |
u32(ciphertext[offset + 2]) << 8 |
u32(ciphertext[offset + 3])
offset += 4
recipients_end := offset + int(num_recipients) * RECIPIENT_ENTRY_SIZE
@@ -233,7 +250,7 @@ decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: b
matched_pi := 0
for pi in 0 ..< len(x25519_pairs) {
scan_offset := offset
for ri in 0 ..< int(num_recipients) {
for _ in 0 ..< int(num_recipients) {
for i in 0 ..< CRYPTO_BOX_PUBLICKEY_BYTES {
enc_pub[i] = ciphertext[scan_offset + i]
}
@@ -247,7 +264,8 @@ decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: b
}
}
if !match {
scan_offset += CRYPTO_BOX_NONCE_BYTES + CRYPTO_SECRETBOX_KEY_BYTES + CRYPTO_BOX_MAC_BYTES
scan_offset +=
CRYPTO_BOX_NONCE_BYTES + CRYPTO_SECRETBOX_KEY_BYTES + CRYPTO_BOX_MAC_BYTES
continue
}
@@ -301,7 +319,13 @@ decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: b
if len(plaintext) > 0 {
pt_ptr = &plaintext[0]
}
rc = crypto_secretbox_open_easy(pt_ptr, &ct_data[0], u64(len(ct_data)), &main_nonce[0], &sym_key[0])
rc = crypto_secretbox_open_easy(
pt_ptr,
&ct_data[0],
u64(len(ct_data)),
&main_nonce[0],
&sym_key[0],
)
if rc != 0 {
fmt.println("Error: symmetric decryption failed")
delete(plaintext)
@@ -311,3 +335,4 @@ decrypt :: proc(ciphertext: []u8, keys: []SshKeyPair) -> (plaintext: []u8, ok: b
ok = true
return
}