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module m_crypt
implicit none
contains
function hash(phrase)
use utilities, only: get_one_line_output_shell_command
implicit none
character(len=*), intent(in)::phrase
character(len=:), pointer::hash
character(len=256)::tempout
call get_one_line_output_shell_command('mkpasswd -m sha-512 "'//trim(phrase)//'"', &
tempout)
allocate(character(len=len_trim(tempout)) :: hash)
hash = trim(tempout)
end function hash
function verify_hash(phrase, hashed)
use utilities, only: get_one_line_output_shell_command
implicit none
character(len=*), intent(in)::phrase, hashed
logical::verify_hash
character(len=256)::tempout
character(32)::salt
integer::i
i = index(hashed(4:len_trim(hashed)), "$")
salt = hashed(4:i+2)
call get_one_line_output_shell_command('mkpasswd -m sha-512 -S '//trim(salt)//' "'//trim(phrase)//'"', &
tempout)
verify_hash = (trim(tempout) == trim(hashed))
end function verify_hash
end module m_crypt
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