RosettaCodeData/Task/SHA-256/Nim/sha-256.nim
2016-12-05 23:44:36 +01:00

13 lines
338 B
Nim

import strutils
const SHA256Len = 32
proc SHA256(d: cstring, n: culong, md: cstring = nil): cstring {.cdecl, dynlib: "libssl.so", importc.}
proc SHA256(s: string): string =
result = ""
let s = SHA256(s.cstring, s.len.culong)
for i in 0 .. < SHA256Len:
result.add s[i].BiggestInt.toHex(2).toLower
echo SHA256("Rosetta code")