Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/DEn2R
function name: (null)
number of ops: 51
compiled vars: !0 = $message, !1 = $key, !2 = $iv, !3 = $cipher, !4 = $plain
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
10 0 E > ASSIGN !0, 'test'
11 1 INIT_FCALL_BY_NAME 'openssl_random_pseudo_bytes'
2 SEND_VAL_EX 16
3 DO_FCALL 0 $6
4 ASSIGN !1, $6
12 5 INIT_FCALL_BY_NAME 'openssl_random_pseudo_bytes'
6 SEND_VAL_EX 16
7 DO_FCALL 0 $8
8 ASSIGN !2, $8
14 9 INIT_FCALL_BY_NAME 'mcrypt_encrypt'
15 10 FETCH_CONSTANT ~10 'MCRYPT_RIJNDAEL_128'
11 SEND_VAL_EX ~10
12 SEND_VAR_EX !1
17 13 INIT_FCALL 'pkcs7_pad'
14 SEND_VAR !0
15 DO_FCALL 0 $11
16 SEND_VAR_NO_REF_EX $11
18 17 SEND_VAL_EX 'ctr'
15 18 SEND_VAR_EX !2
19 DO_FCALL 0 $12
14 20 ASSIGN !3, $12
22 21 INIT_FCALL_BY_NAME 'openssl_decrypt'
23 22 SEND_VAR_EX !3
24 23 SEND_VAL_EX 'aes-128-ctr'
23 24 SEND_VAR_EX !1
26 25 FETCH_CONSTANT ~14 'OPENSSL_RAW_DATA'
26 SEND_VAL_EX ~14
23 27 SEND_VAR_EX !2
28 DO_FCALL 0 $15
22 29 ASSIGN !4, $15
30 30 INIT_FCALL 'var_dump'
31 31 SEND_VAR !0
32 32 INIT_FCALL 'bin2hex'
33 SEND_VAR !3
34 DO_ICALL $17
35 SEND_VAR $17
33 36 SEND_VAR !4
34 37 INIT_FCALL 'mb_strlen'
38 SEND_VAR !0
39 SEND_VAL '8bit'
40 DO_ICALL $18
41 SEND_VAR $18
35 42 INIT_FCALL 'mb_strlen'
43 SEND_VAR !4
44 SEND_VAL '8bit'
45 DO_ICALL $19
46 SEND_VAR $19
36 47 IS_IDENTICAL ~20 !0, !4
48 SEND_VAL ~20
49 DO_ICALL
37 50 > RETURN 1
Function pkcs7_pad:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/DEn2R
function name: pkcs7_pad
number of ops: 19
compiled vars: !0 = $str, !1 = $len, !2 = $c
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
2 0 E > RECV !0
4 1 INIT_FCALL 'mb_strlen'
2 SEND_VAR !0
3 SEND_VAL '8bit'
4 DO_ICALL $3
5 ASSIGN !1, $3
5 6 MOD ~5 !1, 16
7 SUB ~6 16, ~5
8 ASSIGN !2, ~6
6 9 INIT_FCALL 'str_repeat'
10 INIT_FCALL 'chr'
11 SEND_VAR !2
12 DO_ICALL $8
13 SEND_VAR $8
14 SEND_VAR !2
15 DO_ICALL $9
16 ASSIGN_OP 8 !0, $9
7 17 > RETURN !0
8 18* > RETURN null
End of function pkcs7_pad
Generated using Vulcan Logic Dumper, using php 8.0.0