Finding entry points Branch analysis from position: 0 1 jumps found. (Code = 62) Position 1 = -2 filename: /in/ZVthc function name: (null) number of ops: 29 compiled vars: !0 = $key, !1 = $ekey 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 $2 10 ASSIGN !0, $2 12 11 INIT_FCALL_BY_NAME 'HKDF' 12 FETCH_CONSTANT ~4 'HASH_FUNCTION' 13 SEND_VAL_EX ~4 14 SEND_VAR_EX !0 15 FETCH_CONSTANT ~5 'KEY_BYTE_SIZE' 16 SEND_VAL_EX ~5 17 FETCH_CONSTANT ~6 'ENCRYPTION_INFO' 18 SEND_VAL_EX ~6 19 DO_FCALL 0 $7 20 ASSIGN !1, $7 13 21 NOP 22 FAST_CONCAT ~9 !1, '%0A' 23 ECHO ~9 14 24 INIT_FCALL_BY_NAME 'urlsafe_b64encode' 25 SEND_VAR_EX !1 26 DO_FCALL 0 $10 27 ECHO $10 76 28 > RETURN 1 Function urlsafe_b64encode: Finding entry points Branch analysis from position: 0 1 jumps found. (Code = 62) Position 1 = -2 filename: /in/ZVthc function name: urlsafe_b64encode number of ops: 13 compiled vars: !0 = $string, !1 = $data line #* E I O op fetch ext return operands ------------------------------------------------------------------------------------- 16 0 E > RECV !0 17 1 INIT_FCALL 'base64_encode' 2 SEND_VAR !0 3 DO_ICALL $2 4 ASSIGN !1, $2 18 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 19 11 > RETURN !1 20 12* > RETURN null End of function urlsafe_b64encode 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 1 jumps found. (Code = 62) Position 1 = -2 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/ZVthc function name: HKDF number of ops: 92 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 ------------------------------------------------------------------------------------- 22 0 E > RECV !0 1 RECV !1 2 RECV !2 3 RECV_INIT !3 '' 4 RECV_INIT !4 null 25 5 FETCH_CONSTANT ~11 'MAC_BYTE_SIZE' 6 ASSIGN !5, ~11 26 7 FETCH_CONSTANT ~13 'HASH_FUNCTION' 8 IS_NOT_EQUAL !0, ~13 9 > JMPZ ~14, ->18 27 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 31 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 32 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 33 31 > INIT_FCALL_BY_NAME 'CannotPerformOperationException' 32 DO_FCALL 0 $24 33 > RETURN $24 37 34 > TYPE_CHECK 2 !4 35 > JMPZ ~25, ->41 38 36 > INIT_FCALL 'str_repeat' 37 SEND_VAL '%00' 38 SEND_VAR !5 39 DO_ICALL $26 40 ASSIGN !4, $26 44 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 46 48 INIT_FCALL_BY_NAME 'len' 49 SEND_VAR_EX !6 50 DO_FCALL 0 $30 51 > RETURN $30 50 52* STRLEN ~31 !6 53* IS_SMALLER ~31, !5 54* JMPZ ~32, ->58 51 55* NEW $33 'CannotPerformOperationException' 56* DO_FCALL 0 57* THROW 0 $33 55 58* ASSIGN !7, '' 56 59* ASSIGN !8, '' 57 60* ASSIGN !9, 1 61* JMP ->76 59 62* INIT_FCALL 'hash_hmac' 60 63* SEND_VAR !0 61 64* CONCAT ~38 !8, !3 65* INIT_FCALL 'chr' 66* SEND_VAR !9 67* DO_ICALL $39 68* CONCAT ~40 ~38, $39 69* SEND_VAL ~40 62 70* SEND_VAR !6 63 71* SEND_VAL <true> 72* DO_ICALL $41 59 73* ASSIGN !8, $41 66 74* ASSIGN_OP 8 !7, !8 57 75* PRE_INC !9 76* STRLEN ~45 !7 77* IS_SMALLER ~45, !2 78* JMPNZ ~46, ->62 70 79* INIT_FCALL 'substr' 80* SEND_VAR !7 81* SEND_VAL 0 82* SEND_VAR !2 83* DO_ICALL $47 84* ASSIGN !10, $47 71 85* TYPE_CHECK 4 !10 86* JMPZ ~49, ->90 72 87* NEW $50 'CannotPerformOperationException' 88* DO_FCALL 0 89* THROW 0 $50 74 90* RETURN !10 75 91* > RETURN null End of function hkdf
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