attest: address lint feedback

* Make comment directly above _ import
* Fix godoc for AttestationParameters
* Don't declare variable and assign the zero value (var x int = 0)

attest/attest.go

@@ -123,8 +123,8 @@ func (k *AIK) Quote(tpm *TPM, nonce []byte, alg HashAlg) (*Quote, error) {
 	return k.aik.quote(tpm.tpm, nonce, alg)
 }
 
-// Parameters returns information about the AIK, typically used to generate
-// a credential activation challenge.
+// AttestationParameters returns information about the AIK, typically used to
+// generate a credential activation challenge.
 func (k *AIK) AttestationParameters() AttestationParameters {
 	return k.aik.attestationParameters()
 }

attest/eventlog.go

@@ -17,14 +17,14 @@ package attest
 import (
 	"bytes"
 	"crypto"
+	"crypto/rsa"
+	"crypto/sha1"
 	"encoding/binary"
 	"fmt"
 	"io"
 	"sort"
 
 	// Ensure hashes are available.
-	"crypto/rsa"
-	"crypto/sha1"
 	_ "crypto/sha256"
 
 	"github.com/google/go-tpm/tpm2"
@@ -326,16 +326,17 @@ type specAlgSize struct {
 	Size uint16
 }
 
-var (
 // Expected values for various Spec ID Event fields.
 // https://trustedcomputinggroup.org/wp-content/uploads/EFI-Protocol-Specification-rev13-160330final.pdf#page=19
-	wantSignature = [16]byte{0x53, 0x70,
+var wantSignature = [16]byte{0x53, 0x70,
 	0x65, 0x63, 0x20, 0x49,
 	0x44, 0x20, 0x45, 0x76,
 	0x65, 0x6e, 0x74, 0x30,
 	0x33, 0x00} // "Spec ID Event03\0"
-	wantMajor  uint8 = 2
-	wantMinor  uint8 = 0
+
+const (
+	wantMajor  = 2
+	wantMinor  = 0
 	wantErrata = 0
 )