vendor: sha256 32bit updated. (#2459)

Makefile

@@ -101,7 +101,7 @@ deadcode:
 	@GO15VENDOREXPERIMENT=1 ${GOPATH}/bin/deadcode
 
 spelling:
-	@GO15VENDOREXPERIMENT=1 ${GOPATH}/bin/misspell -error *
+	@GO15VENDOREXPERIMENT=1 ${GOPATH}/bin/misspell -error *.go
 	@GO15VENDOREXPERIMENT=1 ${GOPATH}/bin/misspell -error pkg/**/*
 
 test: build

vendor/github.com/minio/sha256-simd/cpuid_arm.go

@@ -0,0 +1,33 @@
+// Minio Cloud Storage, (C) 2016 Minio, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package sha256
+
+func cpuid(op uint32) (eax, ebx, ecx, edx uint32) {
+	return 0, 0, 0, 0
+}
+
+func cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32) {
+	return 0, 0, 0, 0
+}
+
+func xgetbv(index uint32) (eax, edx uint32) {
+	return 0, 0
+}
+
+func haveArmSha() bool {
+	// TODO: Implement feature detection for ARM
+	return true
+}

vendor/github.com/minio/sha256-simd/sha256.go

@@ -19,6 +19,7 @@ package sha256
 import (
 	"crypto/sha256"
 	"hash"
+	"runtime"
 )
 
 // Size - The size of a SHA256 checksum in bytes.
@@ -62,7 +63,12 @@ func (d *digest) Reset() {
 }
 
 func block(dig *digest, p []byte) {
-	switch true {
+	is386bit := runtime.GOARCH == "386"
+	isARM := runtime.GOARCH == "arm"
+	if is386bit || isARM {
+		blockGeneric(dig, p)
+	}
+	switch !is386bit && !isARM {
 	case avx2:
 		blockAvx2Go(dig, p)
 	case avx:
@@ -82,10 +88,9 @@ func New() hash.Hash {
 		d := new(digest)
 		d.Reset()
 		return d
-	} else {
+	}
 	// default back to the standard golang implementation
 	return sha256.New()
-	}
 }
 
 // Sum256 - single caller sha256 helper

vendor/github.com/minio/sha256-simd/sha256blockAvx2_amd64.go

@@ -20,12 +20,3 @@ package sha256
 
 //go:noescape
 func blockAvx2(h []uint32, message []uint8)
-
-func blockAvx2Go(dig *digest, p []byte) {
-
-	h := []uint32{dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]}
-
-	blockAvx2(h[:], p[:])
-
-	dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7]
-}

vendor/github.com/minio/sha256-simd/sha256blockAvx_amd64.go

@@ -20,12 +20,3 @@ package sha256
 
 //go:noescape
 func blockAvx(h []uint32, message []uint8, reserved0, reserved1, reserved2, reserved3 uint64)
-
-func blockAvxGo(dig *digest, p []byte) {
-
-	h := []uint32{dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]}
-
-	blockAvx(h[:], p[:], 0, 0, 0, 0)
-
-	dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7]
-}

vendor/github.com/minio/sha256-simd/sha256blockSsse_amd64.go

@@ -20,12 +20,3 @@ package sha256
 
 //go:noescape
 func blockSsse(h []uint32, message []uint8, reserved0, reserved1, reserved2, reserved3 uint64)
-
-func blockSsseGo(dig *digest, p []byte) {
-
-	h := []uint32{dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]}
-
-	blockSsse(h[:], p[:], 0, 0, 0, 0)
-
-	dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7]
-}

vendor/github.com/minio/sha256-simd/sha256block_386.go

@@ -0,0 +1,24 @@
+//+build !noasm
+
+/*
+ * Minio Cloud Storage, (C) 2016 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sha256
+
+func blockArmGo(dig *digest, p []byte)  {}
+func blockAvx2Go(dig *digest, p []byte) {}
+func blockAvxGo(dig *digest, p []byte)  {}
+func blockSsseGo(dig *digest, p []byte) {}

vendor/github.com/minio/sha256-simd/sha256block_amd64.go

@@ -19,3 +19,30 @@
 package sha256
 
 func blockArmGo(dig *digest, p []byte) {}
+
+func blockAvxGo(dig *digest, p []byte) {
+
+	h := []uint32{dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]}
+
+	blockAvx(h[:], p[:], 0, 0, 0, 0)
+
+	dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7]
+}
+
+func blockAvx2Go(dig *digest, p []byte) {
+
+	h := []uint32{dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]}
+
+	blockAvx2(h[:], p[:])
+
+	dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7]
+}
+
+func blockSsseGo(dig *digest, p []byte) {
+
+	h := []uint32{dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]}
+
+	blockSsse(h[:], p[:], 0, 0, 0, 0)
+
+	dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7]
+}

vendor/github.com/minio/sha256-simd/sha256block_arm.go

@@ -0,0 +1,24 @@
+//+build !noasm
+
+/*
+ * Minio Cloud Storage, (C) 2016 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sha256
+
+func blockAvx2Go(dig *digest, p []byte) {}
+func blockAvxGo(dig *digest, p []byte)  {}
+func blockSsseGo(dig *digest, p []byte) {}
+func blockArmGo(dig *digest, p []byte)  {}

vendor/vendor.json

@@ -119,10 +119,10 @@
 			"revisionTime": "2016-07-24T00:05:56Z"
 		},
 		{
-			"checksumSHA1": "pGgL9xre+/LmNfZV7rNE8uyAovQ=",
+			"checksumSHA1": "i8Hl0yGP1jqorMgfFMoJCItnI38=",
 			"path": "github.com/minio/sha256-simd",
-			"revision": "8058cafa697e657caa0beb136bd3cbda50fc4496",
-			"revisionTime": "2016-07-28T21:10:57Z"
+			"revision": "6f50cd1d784b2bea46167b6929f16c0d12eefbfb",
+			"revisionTime": "2016-08-16T22:25:11Z"
 		},
 		{
 			"path": "github.com/pkg/profile",