[dev.boringcrypto] all: merge commit 57c115e1 into dev.boringcrypto

[gostls13.git] / src / crypto / sha512 / sha512.go

diff --git a/src/crypto/sha512/sha512.go b/src/crypto/sha512/sha512.go
index 1a2cef317c34023325ac805c2365606f1e551fb6..1285cca7ee6efb03eef7c1b7653baf005e7befc7 100644 (file)
--- a/src/crypto/sha512/sha512.go
+++ b/src/crypto/sha512/sha512.go
@@ -358,7 +358,7 @@ func Sum512(data []byte) [Size]byte {
 }
 
 // Sum384 returns the SHA384 checksum of the data.
-func Sum384(data []byte) (sum384 [Size384]byte) {
+func Sum384(data []byte) [Size384]byte {
        if boring.Enabled {
                h := New384()
                h.Write(data)
@@ -370,26 +370,26 @@ func Sum384(data []byte) (sum384 [Size384]byte) {
        d.Reset()
        d.Write(data)
        sum := d.checkSum()
-       copy(sum384[:], sum[:Size384])
-       return
+       ap := (*[Size384]byte)(sum[:])
+       return *ap
 }
 
 // Sum512_224 returns the Sum512/224 checksum of the data.
-func Sum512_224(data []byte) (sum224 [Size224]byte) {
+func Sum512_224(data []byte) [Size224]byte {
        d := digest{function: crypto.SHA512_224}
        d.Reset()
        d.Write(data)
        sum := d.checkSum()
-       copy(sum224[:], sum[:Size224])
-       return
+       ap := (*[Size224]byte)(sum[:])
+       return *ap
 }
 
 // Sum512_256 returns the Sum512/256 checksum of the data.
-func Sum512_256(data []byte) (sum256 [Size256]byte) {
+func Sum512_256(data []byte) [Size256]byte {
        d := digest{function: crypto.SHA512_256}
        d.Reset()
        d.Write(data)
        sum := d.checkSum()
-       copy(sum256[:], sum[:Size256])
-       return
+       ap := (*[Size256]byte)(sum[:])
+       return *ap
 }