Merge pull request #400 from itzik-elayev/master

feature: added sha512sum function

crypto.go

@@ -14,6 +14,7 @@ import (
 	"crypto/rsa"
 	"crypto/sha1"
 	"crypto/sha256"
+	"crypto/sha512"
 	"crypto/x509"
 	"crypto/x509/pkix"
 	"encoding/asn1"
@@ -36,6 +37,11 @@ import (
 	"golang.org/x/crypto/scrypt"
 )
 
+func sha512sum(input string) string {
+	hash := sha512.Sum512([]byte(input))
+	return hex.EncodeToString(hash[:])
+}
+
 func sha256sum(input string) string {
 	hash := sha256.Sum256([]byte(input))
 	return hex.EncodeToString(hash[:])

crypto_test.go

@@ -26,12 +26,20 @@ var (
 	}
 )
 
+func TestSha512Sum(t *testing.T) {
+	tpl := `{{"abc" | sha512sum}}`
+	if err := runt(tpl, "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"); err != nil {
+		t.Error(err)
+	}
+}
+
 func TestSha256Sum(t *testing.T) {
 	tpl := `{{"abc" | sha256sum}}`
 	if err := runt(tpl, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"); err != nil {
 		t.Error(err)
 	}
 }
+
 func TestSha1Sum(t *testing.T) {
 	tpl := `{{"abc" | sha1sum}}`
 	if err := runt(tpl, "a9993e364706816aba3e25717850c26c9cd0d89d"); err != nil {

docs/crypto.md

@@ -21,6 +21,17 @@ sha256sum "Hello world!"
 The above will compute the SHA 256 sum in an "ASCII armored" format that is
 safe to print.
 
+## sha512sum
+
+The `sha512sum` function receives a string, and computes it's SHA512 digest.
+
+```
+sha512sum "Hello world!"
+```
+
+The above will compute the SHA 512 sum in an "ASCII armored" format that is
+safe to print.
+
 ## adler32sum
 
 The `adler32sum` function receives a string, and computes its Adler-32 checksum.

functions.go

@@ -161,6 +161,7 @@ var genericMap = map[string]interface{}{
 	"plural":     plural,
 	"sha1sum":    sha1sum,
 	"sha256sum":  sha256sum,
+	"sha512sum":  sha512sum,
 	"adler32sum": adler32sum,
 	"toString":   strval,