Élaboré par Lucifer (National Bureau of Standards, aujourd’hui NIST) à partir d’un algorithme d’IBM NBS.

Data Encryption Standard (56 bits)

(gdb) disas 0x00005555555a0cf0
Dump of assembler code for function main:
=> 0x00005555555a0cf0 <+0>:     push   %rax
   0x00005555555a0cf1 <+1>:     mov    %rsi,%rdx
   0x00005555555a0cf4 <+4>:     lea    0x24f561(%rip),%rax        # 0x5555557f025c <__rustc_debug_gdb_scripts_section__>
   0x00005555555a0cfb <+11>:    mov    (%rax),%al
   0x00005555555a0cfd <+13>:    movslq %edi,%rsi
   0x00005555555a0d00 <+16>:    lea    -0x36e7(%rip),%rdi        # 0x55555559d620 <_ZN10mindsolver4main17h4ce16833474e9c0bE>
   0x00005555555a0d07 <+23>:    xor    %ecx,%ecx
   0x00005555555a0d09 <+25>:    call   0x5555555a9620 <_ZN3std2rt10lang_start17h0e5e31754886d6f5E>
   0x00005555555a0d0e <+30>:    pop    %rcx
   0x00005555555a0d0f <+31>:    ret
End of assembler dump.

Data Encryption Standard (56 bits)

buffer overflow