crypto.sha256 #
Constants #
const size = 32
The size of a SHA256 checksum in bytes.
const size224 = 28
The size of a SHA224 checksum in bytes.
const block_size = 64
The blocksize of SHA256 and SHA224 in bytes.
fn hexhash #
fn hexhash(s string) string
hexhash returns a hexadecimal SHA256 hash sum string of s.
Example
assert sha256.hexhash('V') == 'de5a6f78116eca62d7fc5ce159d23ae6b889b365a1739ad2cf36f925a140d0cc'
fn hexhash_224 #
fn hexhash_224(s string) string
hexhash_224 returns a hexadecimal SHA224 hash sum string of s.
fn new #
fn new() &Digest
new returns a new Digest (implementing hash.Hash) computing the SHA256 checksum.
fn new224 #
fn new224() &Digest
new224 returns a new Digest (implementing hash.Hash) computing the SHA224 checksum.
fn sum #
fn sum(data []u8) []u8
sum returns the SHA256 checksum of the bytes in data.
Example
assert sha256.sum('V'.bytes()).len > 0 == true
fn sum224 #
fn sum224(data []u8) []u8
sum224 returns the SHA224 checksum of the data.
fn sum256 #
fn sum256(data []u8) []u8
sum256 returns the SHA256 checksum of the data.
fn (Digest) free #
fn (mut d Digest) free()
free the resources taken by the Digest d
fn (Digest) reset #
fn (mut d Digest) reset()
reset the state of the Digest d
fn (Digest) write #
fn (mut d Digest) write(p_ []u8) !int
write writes the contents of p_ to the internal hash representation.
fn (Digest) sum #
fn (d &Digest) sum(b_in []u8) []u8
sum returns the SHA256 or SHA224 checksum of digest with the data.
fn (Digest) checksum #
fn (mut d Digest) checksum() []u8
checksum returns the current byte checksum of the Digest, it is an internal method and is not recommended because its results are not idempotent.
fn (Digest) size #
fn (d &Digest) size() int
size returns the size of the checksum in bytes.
fn (Digest) block_size #
fn (d &Digest) block_size() int
block_size returns the block size of the checksum in bytes.