From bd9acac9a2cbfd82accdf7378240f965c61cb9bb Mon Sep 17 00:00:00 2001 From: rsiddharth Date: Sun, 22 Nov 2020 12:42:17 -0500 Subject: lib: aes: add AESDecrypt --- lib/aes.go | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'lib/aes.go') diff --git a/lib/aes.go b/lib/aes.go index ebad334..0cc6dfe 100644 --- a/lib/aes.go +++ b/lib/aes.go @@ -3,6 +3,19 @@ package lib +func AESDecrypt(cipher, key []byte) []byte { + iter := len(cipher) / 16 + + // Decrypt 16 bytes at a time. + output := make([]byte, len(cipher)) + for i := 0; i < iter; i++ { + s := (i * 16) + e := (i * 16) + 16 + output = append(output, AESInvCipher(cipher[s:e], key)...) + } + return output +} + func AESInvCipher(in, ky []byte) []byte { nb := 4 nr := 10 -- cgit v1.2.3