Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/WkhqO
function name: (null)
number of ops: 43
compiled vars: !0 = $key, !1 = $result, !2 = $ekey, !3 = $ivsize, !4 = $iv, !5 = $raw
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > DECLARE_CONST 'CIPHER', <const ast>
4 1 DECLARE_CONST 'KEY_BYTE_SIZE', 16
5 2 DECLARE_CONST 'CIPHER_MODE', 'cbc'
6 3 DECLARE_CONST 'HASH_FUNCTION', 'sha256'
7 4 DECLARE_CONST 'MAC_BYTE_SIZE', 32
8 5 DECLARE_CONST 'ENCRYPTION_INFO', 'PIPS%7CKeyForEncryption'
9 6 DECLARE_CONST 'AUTHENTICATION_INFO', 'PIPS%7CKeyForAuthentication'
11 7 INIT_FCALL 'base64_decode'
8 SEND_VAL 'wdmd3XIhnOAelom4Y8yPbw%3D%3D'
9 DO_ICALL $6
10 ASSIGN !0, $6
13 11 INIT_FCALL_BY_NAME 'Encrypt'
12 SEND_VAL_EX 'asdfasdfasdfasdf'
13 SEND_VAR_EX !0
14 DO_FCALL 0 $8
15 ASSIGN !1, $8
14 16 INIT_FCALL_BY_NAME 'urlsafe_b64encode'
17 SEND_VAR_EX !1
18 DO_FCALL 0 $10
19 ADD ~11 $10, '%0A%0A'
20 ECHO ~11
16 21 INIT_FCALL_BY_NAME 'HKDF'
22 FETCH_CONSTANT ~12 'HASH_FUNCTION'
23 SEND_VAL_EX ~12
24 SEND_VAR_EX !0
25 FETCH_CONSTANT ~13 'KEY_BYTE_SIZE'
26 SEND_VAL_EX ~13
27 FETCH_CONSTANT ~14 'ENCRYPTION_INFO'
28 SEND_VAL_EX ~14
29 DO_FCALL 0 $15
30 ASSIGN !2, $15
24 31 ASSIGN !3, 16
25 32 INIT_FCALL_BY_NAME 'SecureRandom'
33 SEND_VAR_EX !3
34 DO_FCALL 0 $18
35 ASSIGN !4, $18
27 36 INIT_FCALL_BY_NAME 'PlainEncrypt'
37 SEND_VAL_EX 'asdfasdfasdfasdf'
38 SEND_VAR_EX !2
39 SEND_VAR_EX !4
40 DO_FCALL 0 $20
41 ASSIGN !5, $20
167 42 > RETURN 1
Function urlsafe_b64encode:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/WkhqO
function name: urlsafe_b64encode
number of ops: 13
compiled vars: !0 = $string, !1 = $data
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
31 0 E > RECV !0
32 1 INIT_FCALL 'base64_encode'
2 SEND_VAR !0
3 DO_ICALL $2
4 ASSIGN !1, $2
33 5 INIT_FCALL 'str_replace'
6 SEND_VAL <array>
7 SEND_VAL <array>
8 SEND_VAR !1
9 DO_ICALL $4
10 ASSIGN !1, $4
34 11 > RETURN !1
35 12* > RETURN null
End of function urlsafe_b64encode
Function urlsafe_b64decode:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/WkhqO
function name: urlsafe_b64decode
number of ops: 12
compiled vars: !0 = $string, !1 = $data
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
37 0 E > RECV !0
38 1 INIT_FCALL 'str_replace'
2 SEND_VAL <array>
3 SEND_VAL <array>
4 SEND_VAR !0
5 DO_ICALL $2
6 ASSIGN !1, $2
39 7 INIT_FCALL 'base64_decode'
8 SEND_VAR !1
9 DO_ICALL $4
10 > RETURN $4
40 11* > RETURN null
End of function urlsafe_b64decode
Function hkdf:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 18
Branch analysis from position: 10
2 jumps found. (Code = 47) Position 1 = 20, Position 2 = 23
Branch analysis from position: 20
2 jumps found. (Code = 47) Position 1 = 24, Position 2 = 26
Branch analysis from position: 24
2 jumps found. (Code = 47) Position 1 = 27, Position 2 = 30
Branch analysis from position: 27
2 jumps found. (Code = 43) Position 1 = 31, Position 2 = 34
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 34
2 jumps found. (Code = 43) Position 1 = 36, Position 2 = 41
Branch analysis from position: 36
2 jumps found. (Code = 43) Position 1 = 51, Position 2 = 54
Branch analysis from position: 51
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 54
1 jumps found. (Code = 42) Position 1 = 72
Branch analysis from position: 72
2 jumps found. (Code = 44) Position 1 = 75, Position 2 = 58
Branch analysis from position: 75
2 jumps found. (Code = 43) Position 1 = 83, Position 2 = 86
Branch analysis from position: 83
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 86
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 58
2 jumps found. (Code = 44) Position 1 = 75, Position 2 = 58
Branch analysis from position: 75
Branch analysis from position: 58
Branch analysis from position: 41
Branch analysis from position: 30
Branch analysis from position: 26
Branch analysis from position: 23
Branch analysis from position: 18
filename: /in/WkhqO
function name: HKDF
number of ops: 88
compiled vars: !0 = $hash, !1 = $ikm, !2 = $length, !3 = $info, !4 = $salt, !5 = $digest_length, !6 = $prk, !7 = $t, !8 = $last_block, !9 = $block_index, !10 = $orm
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
42 0 E > RECV !0
1 RECV !1
2 RECV !2
3 RECV_INIT !3 ''
4 RECV_INIT !4 null
45 5 FETCH_CONSTANT ~11 'MAC_BYTE_SIZE'
6 ASSIGN !5, ~11
46 7 FETCH_CONSTANT ~13 'HASH_FUNCTION'
8 IS_NOT_EQUAL !0, ~13
9 > JMPZ ~14, ->18
47 10 > INIT_FCALL 'hash_hmac'
11 SEND_VAR !0
12 SEND_VAL ''
13 SEND_VAL ''
14 SEND_VAL <true>
15 DO_ICALL $15
16 STRLEN ~16 $15
17 ASSIGN !5, ~16
51 18 > ISSET_ISEMPTY_CV ~18 !2
19 > JMPNZ_EX ~18 ~18, ->23
20 > TYPE_CHECK 16 ~19 !2
21 BOOL_NOT ~20 ~19
22 BOOL ~18 ~20
23 > > JMPNZ_EX ~18 ~18, ->26
52 24 > IS_SMALLER ~21 !2, 0
25 BOOL ~18 ~21
26 > > JMPNZ_EX ~18 ~18, ->30
27 > MUL ~22 !5, 255
28 IS_SMALLER ~23 ~22, !2
29 BOOL ~18 ~23
30 > > JMPZ ~18, ->34
53 31 > INIT_FCALL_BY_NAME 'CannotPerformOperationException'
32 DO_FCALL 0 $24
33 > RETURN $24
57 34 > TYPE_CHECK 2 !4
35 > JMPZ ~25, ->41
58 36 > INIT_FCALL 'str_repeat'
37 SEND_VAL '%00'
38 SEND_VAR !5
39 DO_ICALL $26
40 ASSIGN !4, $26
64 41 > INIT_FCALL 'hash_hmac'
42 SEND_VAR !0
43 SEND_VAR !1
44 SEND_VAR !4
45 SEND_VAL <true>
46 DO_ICALL $28
47 ASSIGN !6, $28
69 48 STRLEN ~30 !6
49 IS_SMALLER ~30, !5
50 > JMPZ ~31, ->54
70 51 > NEW $32 'CannotPerformOperationException'
52 DO_FCALL 0
53 > THROW 0 $32
74 54 > ASSIGN !7, ''
75 55 ASSIGN !8, ''
76 56 ASSIGN !9, 1
57 > JMP ->72
78 58 > INIT_FCALL 'hash_hmac'
79 59 SEND_VAR !0
80 60 CONCAT ~37 !8, !3
61 INIT_FCALL 'chr'
62 SEND_VAR !9
63 DO_ICALL $38
64 CONCAT ~39 ~37, $38
65 SEND_VAL ~39
81 66 SEND_VAR !6
82 67 SEND_VAL <true>
68 DO_ICALL $40
78 69 ASSIGN !8, $40
85 70 ASSIGN_OP 8 !7, !8
76 71 PRE_INC !9
72 > STRLEN ~44 !7
73 IS_SMALLER ~44, !2
74 > JMPNZ ~45, ->58
89 75 > INIT_FCALL 'substr'
76 SEND_VAR !7
77 SEND_VAL 0
78 SEND_VAR !2
79 DO_ICALL $46
80 ASSIGN !10, $46
90 81 TYPE_CHECK 4 !10
82 > JMPZ ~48, ->86
91 83 > NEW $49 'CannotPerformOperationException'
84 DO_FCALL 0
85 > THROW 0 $49
93 86 > > RETURN !10
94 87* > RETURN null
End of function hkdf
Function securerandom:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/WkhqO
function name: SecureRandom
number of ops: 19
compiled vars: !0 = $octets, !1 = $random
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
96 0 E > RECV !0
98 1 INIT_FCALL 'urlsafe_b64decode'
2 SEND_VAL 'FSDTs5UoRN07CAeB84KVIw'
3 DO_FCALL 0 $2
4 > RETURN $2
100 5* INIT_FCALL_BY_NAME 'mcrypt_create_iv'
6* SEND_VAR_EX !0
7* FETCH_CONSTANT ~3 'MCRYPT_DEV_URANDOM'
8* SEND_VAL_EX ~3
9* DO_FCALL 0 $4
10* ASSIGN !1, $4
101 11* TYPE_CHECK 4 !1
12* JMPZ ~6, ->17
102 13* NEW $7 'CannotPerformOperationException'
14* DO_FCALL 0
15* THROW 0 $7
16* JMP ->18
104 17* RETURN !1
106 18* > RETURN null
End of function securerandom
Function plainencrypt:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 17
Branch analysis from position: 14
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 41, Position 2 = 44
Branch analysis from position: 41
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 44
2 jumps found. (Code = 43) Position 1 = 55, Position 2 = 58
Branch analysis from position: 55
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 58
2 jumps found. (Code = 43) Position 1 = 64, Position 2 = 67
Branch analysis from position: 64
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 67
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/WkhqO
function name: PlainEncrypt
number of ops: 69
compiled vars: !0 = $plaintext, !1 = $key, !2 = $iv, !3 = $crypt, !4 = $block, !5 = $pad, !6 = $ret, !7 = $ciphertext
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
108 0 E > RECV !0
1 RECV !1
2 RECV !2
110 3 INIT_FCALL_BY_NAME 'mcrypt_module_open'
4 FETCH_CONSTANT ~8 'CIPHER'
5 SEND_VAL_EX ~8
6 SEND_VAL_EX ''
7 FETCH_CONSTANT ~9 'CIPHER_MODE'
8 SEND_VAL_EX ~9
9 SEND_VAL_EX ''
10 DO_FCALL 0 $10
11 ASSIGN !3, $10
111 12 TYPE_CHECK 4 !3
13 > JMPZ ~12, ->17
112 14 > NEW $13 'CannotPerformOperationException'
15 DO_FCALL 0
16 > THROW 0 $13
116 17 > INIT_FCALL_BY_NAME 'mcrypt_enc_get_block_size'
18 SEND_VAR_EX !3
19 DO_FCALL 0 $15
20 ASSIGN !4, $15
117 21 STRLEN ~17 !0
22 MOD ~18 ~17, !4
23 SUB ~19 !4, ~18
24 ASSIGN !5, ~19
118 25 INIT_FCALL 'str_repeat'
26 INIT_FCALL 'chr'
27 SEND_VAR !5
28 DO_ICALL $21
29 SEND_VAR $21
30 SEND_VAR !5
31 DO_ICALL $22
32 ASSIGN_OP 8 !0, $22
120 33 INIT_FCALL_BY_NAME 'mcrypt_generic_init'
34 SEND_VAR_EX !3
35 SEND_VAR_EX !1
36 SEND_VAR_EX !2
37 DO_FCALL 0 $24
38 ASSIGN !6, $24
121 39 IS_NOT_IDENTICAL !6, 0
40 > JMPZ ~26, ->44
122 41 > NEW $27 'CannotPerformOperationException'
42 DO_FCALL 0
43 > THROW 0 $27
125 44 > INIT_FCALL_BY_NAME 'mcrypt_generic'
45 SEND_VAR_EX !3
46 SEND_VAR_EX !0
47 DO_FCALL 0 $29
48 ASSIGN !7, $29
126 49 INIT_FCALL_BY_NAME 'mcrypt_generic_deinit'
50 SEND_VAR_EX !3
51 DO_FCALL 0 $31
52 ASSIGN !6, $31
127 53 TYPE_CHECK 1014 !6
54 > JMPZ ~33, ->58
128 55 > NEW $34 'CannotPerformOperationException'
56 DO_FCALL 0
57 > THROW 0 $34
130 58 > INIT_FCALL_BY_NAME 'mcrypt_module_close'
59 SEND_VAR_EX !3
60 DO_FCALL 0 $36
61 ASSIGN !6, $36
131 62 TYPE_CHECK 1014 !6
63 > JMPZ ~38, ->67
132 64 > NEW $39 'CannotPerformOperationException'
65 DO_FCALL 0
66 > THROW 0 $39
135 67 > > RETURN !7
136 68* > RETURN null
End of function plainencrypt
Function encrypt:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 10
2 jumps found. (Code = 47) Position 1 = 30, Position 2 = 32
Branch analysis from position: 30
2 jumps found. (Code = 43) Position 1 = 33, Position 2 = 36
Branch analysis from position: 33
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 36
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 32
filename: /in/WkhqO
function name: Encrypt
number of ops: 69
compiled vars: !0 = $plaintext, !1 = $key, !2 = $keysize, !3 = $ekey, !4 = $ivsize, !5 = $iv, !6 = $ciphertext, !7 = $akey, !8 = $auth
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
138 0 E > RECV !0
1 RECV !1
141 2 STRLEN ~9 !1
3 FETCH_CONSTANT ~10 'KEY_BYTE_SIZE'
4 IS_NOT_IDENTICAL ~9, ~10
5 > JMPZ ~11, ->10
143 6 > NEW $12 'CannotPerformOperationException'
7 SEND_VAL_EX 'Bad+key.'
8 DO_FCALL 0
9 > THROW 0 $12
147 10 > FETCH_CONSTANT ~14 'KEY_BYTE_SIZE'
11 ASSIGN !2, ~14
148 12 INIT_FCALL 'hkdf'
13 FETCH_CONSTANT ~16 'HASH_FUNCTION'
14 SEND_VAL ~16
15 SEND_VAR !1
16 SEND_VAR !2
17 FETCH_CONSTANT ~17 'ENCRYPTION_INFO'
18 SEND_VAL ~17
19 DO_FCALL 0 $18
20 ASSIGN !3, $18
151 21 INIT_FCALL_BY_NAME 'mcrypt_get_iv_size'
22 FETCH_CONSTANT ~20 'CIPHER'
23 SEND_VAL_EX ~20
24 FETCH_CONSTANT ~21 'CIPHER_MODE'
25 SEND_VAL_EX ~21
26 DO_FCALL 0 $22
27 ASSIGN !4, $22
152 28 TYPE_CHECK 4 ~24 !4
29 > JMPNZ_EX ~24 ~24, ->32
30 > IS_SMALLER_OR_EQUAL ~25 !4, 0
31 BOOL ~24 ~25
32 > > JMPZ ~24, ->36
153 33 > NEW $26 'CannotPerformOperationException'
34 DO_FCALL 0
35 > THROW 0 $26
155 36 > INIT_FCALL 'securerandom'
37 SEND_VAR !4
38 DO_FCALL 0 $28
39 ASSIGN !5, $28
157 40 INIT_FCALL 'plainencrypt'
41 SEND_VAR !0
42 SEND_VAR !3
43 SEND_VAR !5
44 DO_FCALL 0 $30
45 CONCAT ~31 !5, $30
46 ASSIGN !6, ~31
160 47 INIT_FCALL 'hkdf'
48 FETCH_CONSTANT ~33 'HASH_FUNCTION'
49 SEND_VAL ~33
50 SEND_VAR !1
51 FETCH_CONSTANT ~34 'KEY_BYTE_SIZE'
52 SEND_VAL ~34
53 FETCH_CONSTANT ~35 'AUTHENTICATION_INFO'
54 SEND_VAL ~35
55 DO_FCALL 0 $36
56 ASSIGN !7, $36
161 57 INIT_FCALL 'hash_hmac'
58 FETCH_CONSTANT ~38 'HASH_FUNCTION'
59 SEND_VAL ~38
60 SEND_VAR !6
61 SEND_VAR !7
62 SEND_VAL <true>
63 DO_ICALL $39
64 ASSIGN !8, $39
162 65 CONCAT ~41 !8, !6
66 ASSIGN !6, ~41
164 67 > RETURN !6
165 68* > RETURN null
End of function encrypt
Generated using Vulcan Logic Dumper, using php 8.0.0