Refactor openssl-sys

The old layout tried to structure itself by version but it ended up with
a lot of duplication. Instead, follow the structure of the header files.

1 files changed, 28 insertions, 0 deletions

diff --git a/openssl-sys/src/aes.rs b/openssl-sys/src/aes.rs
new file mode 100644
index 00000000..cbb289c6
--- /dev/null
+++ b/openssl-sys/src/aes.rs
@@ -0,0 +1,28 @@
+use libc::*;
+
+pub const AES_ENCRYPT: c_int = 1;
+pub const AES_DECRYPT: c_int = 0;
+
+pub const AES_MAXNR: c_int = 14;
+pub const AES_BLOCK_SIZE: c_int = 16;
+
+#[repr(C)]
+pub struct AES_KEY {
+    // There is some business with AES_LONG which is there to ensure the values here are 32 bits
+    rd_key: [u32; 4 * (AES_MAXNR as usize + 1)],
+    rounds: c_int,
+}
+
+extern "C" {
+    pub fn AES_set_encrypt_key(userKey: *const c_uchar, bits: c_int, key: *mut AES_KEY) -> c_int;
+    pub fn AES_set_decrypt_key(userKey: *const c_uchar, bits: c_int, key: *mut AES_KEY) -> c_int;
+
+    pub fn AES_ige_encrypt(
+        in_: *const c_uchar,
+        out: *mut c_uchar,
+        length: size_t,
+        key: *const AES_KEY,
+        ivec: *mut c_uchar,
+        enc: c_int,
+    );
+}