crypto/cleanup: remove unused functions

pkg/crypto/sha256/sha256_linux.go

@@ -66,7 +66,7 @@ func block(dig *digest, p []byte) {
 	case cpu.HasSSE41() == true:
 		blockSSE(dig, p)
 	default:
-		blockSoftware(dig, p)
+		blockGeneric(dig, p)
 	}
 }
 

pkg/crypto/sha256/sha256_windows.go

@@ -17,6 +17,7 @@
 package sha256
 
 import (
+	"hash"
 	"io"
 
 	"crypto/sha256"
@@ -45,3 +46,8 @@ func Sum(reader io.Reader) ([]byte, error) {
 	}
 	return d.Sum(nil), nil
 }
+
+// New returns a new hash.Hash computing SHA256.
+func New() hash.Hash {
+	return sha256.New()
+}

pkg/crypto/sha256/sha256block_linux.go

@@ -44,7 +44,7 @@ func blockAVX2(dig *digest, p []byte) {
 	C.sha256_transform_rorx((*C.char)(unsafe.Pointer(&p[0])), (*C.uint32_t)(unsafe.Pointer(&dig.h[0])), (C.ulong)(len(p)/64))
 }
 
-func blockSoftware(dig *digest, p []byte) {
+func blockGeneric(dig *digest, p []byte) {
 	var w [64]uint32
 	h0, h1, h2, h3, h4, h5, h6, h7 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]
 	for len(p) >= chunk {

pkg/crypto/sha512/sha512_darwin.go

@@ -52,17 +52,6 @@ func Sum(reader io.Reader) ([]byte, error) {
 	return d.Sum(nil), nil
 }
 
-// SumStream - similar to 'Sum()' but returns a [sha512.Size]byte
-func SumStream(reader io.Reader) ([sha512.Size]byte, error) {
-	var returnValue [sha512.Size]byte
-	sumSlice, err := Sum(reader)
-	if err != nil {
-		return returnValue, err
-	}
-	copy(returnValue[:], sumSlice)
-	return returnValue, err
-}
-
 // New returns a new hash.Hash computing SHA512.
 func New() hash.Hash {
 	return sha512.New()

pkg/crypto/sha512/sha512_linux.go

@@ -53,7 +53,7 @@ func block(dig *digest, p []byte) {
 	case cpu.HasSSE41() == true:
 		blockSSE(dig, p)
 	default:
-		blockSoftware(dig, p)
+		blockGeneric(dig, p)
 	}
 }
 
@@ -182,14 +182,3 @@ func Sum(reader io.Reader) ([]byte, error) {
 	}
 	return h.Sum(nil), nil
 }
-
-// SumStream - similar to 'Sum()' but returns a [Size]byte
-func SumStream(reader io.Reader) ([Size]byte, error) {
-	var returnValue [Size]byte
-	sumSlice, err := Sum(reader)
-	if err != nil {
-		return returnValue, err
-	}
-	copy(returnValue[:], sumSlice)
-	return returnValue, err
-}

pkg/crypto/sha512/sha512_windows.go

@@ -17,6 +17,7 @@
 package sha512
 
 import (
+	"hash"
 	"io"
 
 	"crypto/sha512"
@@ -51,13 +52,7 @@ func Sum(reader io.Reader) ([]byte, error) {
 	return d.Sum(nil), nil
 }
 
-// SumStream - similar to 'Sum()' but returns a [sha512.Size]byte
-func SumStream(reader io.Reader) ([sha512.Size]byte, error) {
-	var returnValue [sha512.Size]byte
-	sumSlice, err := Sum(reader)
-	if err != nil {
-		return returnValue, err
-	}
-	copy(returnValue[:], sumSlice)
-	return returnValue, err
+// New returns a new hash.Hash computing SHA512.
+func New() hash.Hash {
+	return sha512.New()
 }

pkg/crypto/sha512/sha512block_linux.go

@@ -46,7 +46,7 @@ func blockAVX2(dig *digest, p []byte) {
 	C.sha512_transform_rorx(unsafe.Pointer(&p[0]), unsafe.Pointer(&dig.h[0]), (C.uint64_t)(len(p)/chunk))
 }
 
-func blockSoftware(dig *digest, p []byte) {
+func blockGeneric(dig *digest, p []byte) {
 	var w [80]uint64
 	h0, h1, h2, h3, h4, h5, h6, h7 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]
 	for len(p) >= chunk {