working decrypt (pre N)

root@htc_pmeuhl:/data/local/tmp # ./twrpdec06 1234
./twrpdec06 1234
get_crypt_ftr_info crypto key location: '/dev/block/bootdevice/by-name/extra'
crypt_ftr->fs_size = 51314688
Using scrypt with keymaster for cryptfs KDF
        scrypt_keymaster ikey(master_key)   = 6e4fa8c8b54155fef8a20c49eb9cac52caea2c070a7719ba9d809c4903b1bcdb
keymaster module name is Keymaster QTI HAL
keymaster version is 256
Found keymaster1 module, using keymaster1 API.
Signing safely-padded object
        scrypt_keymaster ikey(signature)   = e4d23ea48674
        test_mount_encrypted_fs decrypted master key
        test_mount_encrypted_fs passwd = 31323334
        test_mount_encrypted_fs decrypted_master_key = 501dee4dd70620a5b049e773c414138d
        test_mount_encrypted_fs intermediate_key = e4d23ea48674
        test_mount_encrypted_fs intermediate_key_size = 16
Using scrypt with keymaster for cryptfs KDF
        scrypt_keymaster ikey(master_key)   = 6e4fa8c8b54155fef8a20c49eb9cac52caea2c070a7719ba9d809c4903b1bcdb
keymaster module name is Keymaster QTI HAL
keymaster version is 256
Found keymaster1 module, using keymaster1 API.
Signing safely-padded object
        scrypt_keymaster ikey(signature)   = e4d23ea48674
        verify_hw_fde_passwd get_keymaster_hw_fde_passwd = 0
                passwd=31323334
                newpwd=e4d23ea48674
        test_mount_encrypted_fs keyindex = -7
crypt_ftr->fs_size = 51314688
Using scrypt with keymaster for cryptfs KDF
        scrypt_keymaster ikey(master_key)   = 747759650217b41fc5793960742a9d28c73a19b140a9cf889d5a5a5c83518b04
keymaster module name is Keymaster QTI HAL
keymaster version is 256
Found keymaster1 module, using keymaster1 API.
Signing safely-padded object
        scrypt_keymaster ikey(signature)   = 9dfbb546459d1d
        test_mount_encrypted_fs decrypted master key
        test_mount_encrypted_fs passwd = 3331333233333334
        test_mount_encrypted_fs decrypted_master_key = ff20500745ccf79fbc1c8f36a9c652a0
        test_mount_encrypted_fs intermediate_key = 9dfbb546459d1d
        test_mount_encrypted_fs intermediate_key_size = 16
Using scrypt with keymaster for cryptfs KDF
        scrypt_keymaster ikey(master_key)   = 747759650217b41fc5793960742a9d28c73a19b140a9cf889d5a5a5c83518b04
keymaster module name is Keymaster QTI HAL
keymaster version is 256
Found keymaster1 module, using keymaster1 API.
Signing safely-padded object
        scrypt_keymaster ikey(signature)   = 9dfbb546459d1d
        verify_hw_fde_passwd get_keymaster_hw_fde_passwd = 0
                passwd=3331333233333334
                newpwd=9dfbb546459d1d
        test_mount_encrypted_fs keyindex = 0
Cannot create dm-crypt device 16
Error creating decrypted block device   test_mount_encrypted_fs ice_enabled
        test_mount_encrypted_fs hw_disk_encryption done
check end
        test_mount_encrypted_fs intermediate_key = 9dfbb546459d1d
        test_mount_encrypted_fs scrypted_intermediate_key   = 9e9679165c86370ee17a04c62f60725bb37a02c5873325527c13fbda12b906dc9e9679165c86370ee17a04c62f60725bb37a02c5873325527c13fbda12b906dceb6aa25fede7e4511faa17487a94dc6709dbc65b5b8f919afcbec152a65603d09dfbb546459d1d
        test_mount_encrypted_fs scrypted_intermediate_key_2 = 9e9679165c86370ee17a04c62f60725bb37a02c5873325527c13fbda12b906dceb6aa25fede7e4511faa17487a94dc6709dbc65b5b8f919afcbec152a65603d09dfbb546459d1d
Password matches
root@htc_pmeuhl:/data/local/tmp #

dmesg
....
[47709.854350] c1  28529 get_ice_device_from_storage_type: found ice device ffffffc075f39a00
[47710.033629] c1    867 mmc_blk_ioctl_rpmb_cmd start
[47710.036499] c0    457 msm_pcie_pm_resume: RC0: entry
[47710.036671] c0    457 msm_pcie_enable: RC0: entry
[47710.036691] c0    457 msm_pcie_enable: PCIe: Assert the reset of endpoint of RC0.
[47710.040519] c1    867 mmc0: mmc_blk_ioctl_rpmb_cmd done, return 0
[47710.041005] c0    457 msm_pcie_enable: PCIe RC0 PHY is ready!
[47710.051472] c0    457 msm_pcie_enable: PCIe: Release the reset of endpoint of RC0.
[47710.078318] c1  28529 get_ice_device_from_storage_type: found ice device ffffffc075f39a00
[47710.078909] c0    457 msm_pcie_enable: PCIe RC0 link initialized
[47710.079984] c1  28529 QSEECOM: qseecom_create_key: Set the key successfully
[47711.495023] c0      1 init: property_set("ro.crypto.fs_crypto_blkdev", "عÁFEØ") failed