util/fipstools/acvp/acvptool/subprocess/subprocess_test.go - boringssl - Git at Google

 // Copyright (c) 2020, Google Inc.
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
 // copyright notice and this permission notice appear in all copies.
 //
 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 // SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 // OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 // CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 package subprocess

 // NOTES:
 // - subprocess_test does not include testing for all subcomponents. It does
 //   include unit tests for the following:
 //   - hashPrimitive (for sha2-256 only)
 //   - blockCipher (for AES)
 //   - drbg (for ctrDRBG)
 // - All sample data (the valid & invalid strings) comes from calls to acvp as
 //   of 2020-04-02.

 import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"reflect"
 	"testing"
 )

 var validSHA2_256 = []byte(`{
   "vsId" : 182183,
   "algorithm" : "SHA2-256",
   "revision" : "1.0",
   "isSample" : true,
   "testGroups" : [ {
     "tgId" : 1,
     "testType" : "AFT",
     "tests" : [ {
       "tcId" : 1,
       "msg" : "",
       "len" : 0
     }, {
       "tcId" : 2,
       "msg" : "",
       "len" : 0
     }, {
       "tcId" : 3,
       "msg" : "8E",
       "len" : 8
     }, {
       "tcId" : 4,
       "msg" : "7F10",
       "len" : 16
     }, {
       "tcId" : 5,
       "msg" : "F4422F",
       "len" : 24
     }, {
       "tcId" : 6,
       "msg" : "B3EF9698",
       "len" : 32
     }]
   }]
 }`)

 var callsSHA2_256 = []fakeTransactCall{
 	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{[]byte{}}},
 	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{[]byte{}}},
 	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("8E")}},
 	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("7F10")}},
 	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("F4422F")}},
 	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("B3EF9698")}},
 }

 var invalidSHA2_256 = []byte(`{
   "vsId" : 180207,
   "algorithm" : "SHA2-256",
   "revision" : "1.0",
   "isSample" : true,
   "testGroups" : [ {
     "tgId" : abc,
     "testType" : "AFT",
     "tests" : [ {
       "tcId" : 1,
       "msg" : "",
       "len" : 0
     }, {
       "tcId" : 2,
       "msg" : "",
       "len" : 0
     }]
   }]
 }`)

 var validKDFJSON = []byte(`{
   "vsId": 1564,
   "algorithm": "counterMode",
   "revision": "1.0",
   "testGroups": [{
     "tgId": 1,
     "kdfMode": "counter",
     "macMode": "CMAC-AES128",
     "counterLocation": "after fixed data",
     "keyOutLength": 1024,
     "counterLength": 8,
     "tests": [{
         "tcId": 1,
         "keyIn": "5DA38931E8D9174BC3279C8942D2DB82",
         "deferred": false
       },
       {
         "tcId": 2,
         "keyIn": "58F5426A40E3D5D2C94F0F97EB30C739",
         "deferred": false
       }
     ]
   }]
 }`)

 var callsKDF = []fakeTransactCall{
 	fakeTransactCall{cmd: "KDF-counter", expectedNumResults: 3, args: [][]byte{
 		uint32le(128),                               // outputBytes
 		[]byte("CMAC-AES128"),                       // macMode
 		[]byte("after fixed data"),                  // counterLocation
 		fromHex("5DA38931E8D9174BC3279C8942D2DB82"), // keyIn
 		uint32le(8),                                 // counterLength
 	}},
 	fakeTransactCall{cmd: "KDF-counter", expectedNumResults: 3, args: [][]byte{
 		uint32le(128),                               // outputBytes
 		[]byte("CMAC-AES128"),                       // macMode
 		[]byte("after fixed data"),                  // counterLocation
 		fromHex("58F5426A40E3D5D2C94F0F97EB30C739"), // keyIn
 		uint32le(8),                                 // counterLength
 	}},
 }

 var invalidKDFJSON = []byte(`{
   "vsId": 1564,
   "algorithm": "counterMode",
   "revision": "1.0",
   "testGroups": [{
     "tgId": 1,
     "kdfMode": "counter",
     "macMode": "CMAC-AES128",
     "counterLocation": "after fixed data",
     "keyOutLength": 1024,
     "counterLength": 8,
     "tests": [{
         "tcId": 1,
         "keyIn": "5DA38931E8D9174BC3279C8942D2DB82",
         "deferred": false
       },
       {
         "tcId": abc,
         "keyIn": "58F5426A40E3D5D2C94F0F97EB30C739",
         "deferred": false
       }
     ]
   }]
 }`)

 var validACVPAESECB = []byte(`{
   "vsId" : 181726,
   "algorithm" : "ACVP-AES-ECB",
   "revision" : "1.0",
   "isSample" : true,
   "testGroups" : [ {
     "tgId" : 1,
     "testType" : "AFT",
     "direction" : "encrypt",
     "keyLen" : 128,
     "tests" : [ {
       "tcId" : 1,
       "pt" : "F34481EC3CC627BACD5DC3FB08F273E6",
       "key" : "00000000000000000000000000000000"
     }, {
       "tcId" : 2,
       "pt" : "9798C4640BAD75C7C3227DB910174E72",
       "key" : "00000000000000000000000000000000"
     }]
   }]
 }`)

 var invalidACVPAESECB = []byte(`{
   "vsId" : 181726,
   "algorithm" : "ACVP-AES-ECB",
   "revision" : "1.0",
   "isSample" : true,
   "testGroups" : [ {
     "tgId" : 1,
     "testType" : "AFT",
     "direction" : "encrypt",
     "keyLen" : 128,
     "tests" : [ {
       "tcId" : abc,
       "pt" : "F34481EC3CC627BACD5DC3FB08F273E6",
       "key" : "00000000000000000000000000000000"
     }, {
       "tcId" : 2,
       "pt" : "9798C4640BAD75C7C3227DB910174E72",
       "key" : "00000000000000000000000000000000"
     }]
   }]
 }`)

 var callsACVPAESECB = []fakeTransactCall{
 	fakeTransactCall{cmd: "AES/encrypt", expectedNumResults: 1, args: [][]byte{
 		fromHex("00000000000000000000000000000000"),
 		fromHex("F34481EC3CC627BACD5DC3FB08F273E6"),
 	}},
 	fakeTransactCall{cmd: "AES/encrypt", expectedNumResults: 1, args: [][]byte{
 		fromHex("00000000000000000000000000000000"),
 		fromHex("9798C4640BAD75C7C3227DB910174E72"),
 	}},
 }

 var validCTRDRBG = []byte(`{
   "vsId" : 181791,
   "algorithm" : "ctrDRBG",
   "revision" : "1.0",
   "isSample" : true,
   "testGroups" : [ {
     "tgId" : 1,
     "testType" : "AFT",
     "derFunc" : false,
     "reSeed" : false,
     "predResistance" : false,
     "entropyInputLen" : 384,
     "nonceLen" : 0,
     "persoStringLen" : 0,
     "additionalInputLen" : 0,
     "returnedBitsLen" : 2048,
     "mode" : "AES-256",
     "tests" : [ {
       "tcId" : 1,
       "entropyInput" : "0D9E8EB273307D95C616C7ACC65669C246265E8A850EDCF36990D8A6F7EC3AEA0A7DDB888EE8D7ECC19EA7830310782C",
       "nonce" : "",
       "persoString" : "",
       "otherInput" : [ {
         "intendedUse" : "generate",
         "additionalInput" : "",
         "entropyInput" : ""
       }, {
         "intendedUse" : "generate",
         "additionalInput" : "",
         "entropyInput" : ""
       } ]
     }]
   }]
 }`)

 var callsCTRDRBG = []fakeTransactCall{
 	fakeTransactCall{cmd: "ctrDRBG/AES-256", expectedNumResults: 1, args: [][]byte{
 		fromHex("00010000"), // uint32(256)
 		fromHex("0D9E8EB273307D95C616C7ACC65669C246265E8A850EDCF36990D8A6F7EC3AEA0A7DDB888EE8D7ECC19EA7830310782C"),
 		[]byte{},
 		[]byte{},
 		[]byte{},
 		[]byte{},
 	}},
 }

 var invalidCTRDRBG = []byte(`{
   "vsId" : 181791,
   "algorithm" : "ctrDRBG",
   "revision" : "1.0",
   "isSample" : true,
   "testGroups" : [ {
     "tgId" : 1,
     "testType" : "AFT",
     "derFunc" : false,
     "reSeed" : false,
     "predResistance" : false,
     "entropyInputLen" : 384,
     "nonceLen" : 0,
     "persoStringLen" : 0,
     "additionalInputLen" : 0,
     "returnedBitsLen" : 2048,
     "mode" : "AES-256",
     "tests" : [ {
       "tcId" : abc,
       "entropyInput" : "0D9E8EB273307D95C616C7ACC65669C246265E8A850EDCF36990D8A6F7EC3AEA0A7DDB888EE8D7ECC19EA7830310782C",
       "nonce" : "",
       "persoString" : "",
       "otherInput" : [ {
         "intendedUse" : "generate",
         "additionalInput" : "",
         "entropyInput" : ""
       }, {
         "intendedUse" : "generate",
         "additionalInput" : "",
         "entropyInput" : ""
       } ]
     }]
   }]
 }`)

 var validCMACAESJSON = []byte(`{
 	"vsId": 1,
 	"algorithm": "CMAC-AES",
 	"revision": "1.0",
 	"testGroups": [{
 			"tgId": 4,
 			"testType": "AFT",
 			"direction": "gen",
 			"keyLen": 128,
 			"msgLen": 2752,
 			"macLen": 64,
 			"tests": [{
 					"tcId": 25,
 					"key": "E2547E38B28B2C24892C133FF4770688",
 					"message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
 				}]
 	}]
 }`)

 var callsCMACAES = []fakeTransactCall{
 	fakeTransactCall{cmd: "CMAC-AES", expectedNumResults: 1, args: [][]byte{
 		uint32le(64 / 8), // outputBytes
 		fromHex("E2547E38B28B2C24892C133FF4770688"), // key
 		fromHex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msg
 	}},
 }

 var invalidCMACAESJSON = []byte(`{
 	"vsId": 1,
 	"algorithm": "CMAC-AES",
 	"revision": "1.0",
 	"testGroups": [{
 			"tgId": 4,
 			"testType": "AFT",
 			"direction": "gen",
 			"keyLen": 128,
 			"msgLen": 2752,
 			"macLen": 64,
 			"tests": [{
 					"tcId": abc,
 					"key": "E2547E38B28B2C24892C133FF4770688",
 					"message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
 				}]
 	}]
 }`)

 // fakeTransactable provides a fake to return results that don't go to the ACVP
 // server.
 type fakeTransactable struct {
 	calls   []fakeTransactCall
 	results []fakeTransactResult
 }

 type fakeTransactCall struct {
 	cmd                string
 	expectedNumResults int
 	args               [][]byte
 }

 type fakeTransactResult struct {
 	bytes [][]byte
 	err   error
 }

 func (f *fakeTransactable) Transact(cmd string, expectedNumResults int, args ...[]byte) ([][]byte, error) {
 	f.calls = append(f.calls, fakeTransactCall{cmd, expectedNumResults, args})

 	if len(f.results) == 0 {
 		return nil, fmt.Errorf("Transact called but no TransactResults remain")
 	}

 	ret := f.results[0]
 	f.results = f.results[1:]
 	return ret.bytes, ret.err
 }

 func newFakeTransactable(numResponses int) *fakeTransactable {
 	ret := new(fakeTransactable)

 	// Add results requested by caller.
 	dummyResult := [][]byte{[]byte("dummy result")}
 	for i := 0; i < numResponses; i++ {
 		ret.results = append(ret.results, fakeTransactResult{bytes: dummyResult, err: nil})
 	}

 	return ret
 }

 // TestPrimitiveParsesJSON verifies that basic JSON parsing with a
 // small passing case & a single failing case.
 func TestPrimitives(t *testing.T) {
 	var tests = []struct {
 		algo          string
 		p             primitive
 		validJSON     []byte
 		invalidJSON   []byte
 		expectedCalls []fakeTransactCall
 		results       []fakeTransactResult
 	}{
 		{
 			algo:          "SHA2-256",
 			p:             &hashPrimitive{"SHA2-256", 32},
 			validJSON:     validSHA2_256,
 			invalidJSON:   invalidSHA2_256,
 			expectedCalls: callsSHA2_256,
 		},
 		{
 			algo:          "kdf",
 			p:             &kdfPrimitive{},
 			validJSON:     validKDFJSON,
 			invalidJSON:   invalidKDFJSON,
 			expectedCalls: callsKDF,
 			results: []fakeTransactResult{
 				{bytes: [][]byte{
 					fromHex("5DA38931E8D9174BC3279C8942D2DB82"),
 					[]byte("data1"),
 					[]byte("keyOut1"),
 				}},
 				{bytes: [][]byte{
 					fromHex("58F5426A40E3D5D2C94F0F97EB30C739"),
 					[]byte("data2"),
 					[]byte("keyOut2"),
 				}},
 			},
 		},
 		{
 			algo:          "CMAC-AES",
 			p:             &keyedMACPrimitive{"CMAC-AES"},
 			validJSON:     validCMACAESJSON,
 			invalidJSON:   invalidCMACAESJSON,
 			expectedCalls: callsCMACAES,
 			results: []fakeTransactResult{
 				{bytes: [][]byte{
 					fromHex("0102030405060708"),
 				}},
 			},
 		},
 		{
 			algo:          "ACVP-AES-ECB",
 			p:             &blockCipher{"AES", 16, false},
 			validJSON:     validACVPAESECB,
 			invalidJSON:   invalidACVPAESECB,
 			expectedCalls: callsACVPAESECB,
 		},
 		{
 			algo:          "ctrDRBG",
 			p:             &drbg{"ctrDRBG", map[string]bool{"AES-128": true, "AES-192": true, "AES-256": true}},
 			validJSON:     validCTRDRBG,
 			invalidJSON:   invalidCTRDRBG,
 			expectedCalls: callsCTRDRBG,
 			results: []fakeTransactResult{
 				fakeTransactResult{bytes: [][]byte{make([]byte, 256)}},
 			},
 		},
 	}

 	for _, test := range tests {
 		transactable := newFakeTransactable(len(test.expectedCalls))
 		if len(test.results) > 0 {
 			transactable.results = test.results
 		}

 		if _, err := test.p.Process(test.validJSON, transactable); err != nil {
 			t.Errorf("%s: valid input failed unexpectedly: %v", test.algo, err)
 			continue
 		}

 		if len(transactable.calls) != len(test.expectedCalls) {
 			t.Errorf("%s: got %d results, but want %d", test.algo, len(transactable.calls), len(test.expectedCalls))
 			continue
 		}

 		if !reflect.DeepEqual(transactable.calls, test.expectedCalls) {
 			t.Errorf("%s: got:\n%#v\n\nwant:\n%#v", test.algo, transactable.calls, test.expectedCalls)
 		}

 		if _, err := test.p.Process(test.invalidJSON, transactable); !isJSONSyntaxError(err) {
 			t.Errorf("Test %v with invalid input either passed or failed with the wrong error (%v)", test.algo, err)
 		}
 	}
 }

 // isJSONSyntaxError returns true if the error is a json syntax error.
 func isJSONSyntaxError(err error) bool {
 	_, ok := err.(*json.SyntaxError)
 	return ok
 }

 // fromHex wraps hex.DecodeString so it can be used in initializers. Panics on error.
 func fromHex(s string) []byte {
 	key, err := hex.DecodeString(s)
 	if err != nil {
 		panic(fmt.Sprintf("Failed on hex.DecodeString(%q) with %v", s, err))
 	}
 	return key
 }
	// Copyright (c) 2020, Google Inc.
	//
	// Permission to use, copy, modify, and/or distribute this software for any
	// purpose with or without fee is hereby granted, provided that the above
	// copyright notice and this permission notice appear in all copies.
	//
	// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
	// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
	// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

	package subprocess

	// NOTES:
	// - subprocess_test does not include testing for all subcomponents. It does
	// include unit tests for the following:
	// - hashPrimitive (for sha2-256 only)
	// - blockCipher (for AES)
	// - drbg (for ctrDRBG)
	// - All sample data (the valid & invalid strings) comes from calls to acvp as
	// of 2020-04-02.

	import (
	"encoding/hex"
	"encoding/json"
	"fmt"
	"reflect"
	"testing"
	)

	var validSHA2_256 = []byte(`{
	"vsId" : 182183,
	"algorithm" : "SHA2-256",
	"revision" : "1.0",
	"isSample" : true,
	"testGroups" : [ {
	"tgId" : 1,
	"testType" : "AFT",
	"tests" : [ {
	"tcId" : 1,
	"msg" : "",
	"len" : 0
	}, {
	"tcId" : 2,
	"msg" : "",
	"len" : 0
	}, {
	"tcId" : 3,
	"msg" : "8E",
	"len" : 8
	}, {
	"tcId" : 4,
	"msg" : "7F10",
	"len" : 16
	}, {
	"tcId" : 5,
	"msg" : "F4422F",
	"len" : 24
	}, {
	"tcId" : 6,
	"msg" : "B3EF9698",
	"len" : 32
	}]
	}]
	}`)

	var callsSHA2_256 = []fakeTransactCall{
	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{[]byte{}}},
	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{[]byte{}}},
	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("8E")}},
	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("7F10")}},
	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("F4422F")}},
	fakeTransactCall{cmd: "SHA2-256", expectedNumResults: 1, args: [][]byte{fromHex("B3EF9698")}},
	}

	var invalidSHA2_256 = []byte(`{
	"vsId" : 180207,
	"algorithm" : "SHA2-256",
	"revision" : "1.0",
	"isSample" : true,
	"testGroups" : [ {
	"tgId" : abc,
	"testType" : "AFT",
	"tests" : [ {
	"tcId" : 1,
	"msg" : "",
	"len" : 0
	}, {
	"tcId" : 2,
	"msg" : "",
	"len" : 0
	}]
	}]
	}`)

	var validKDFJSON = []byte(`{
	"vsId": 1564,
	"algorithm": "counterMode",
	"revision": "1.0",
	"testGroups": [{
	"tgId": 1,
	"kdfMode": "counter",
	"macMode": "CMAC-AES128",
	"counterLocation": "after fixed data",
	"keyOutLength": 1024,
	"counterLength": 8,
	"tests": [{
	"tcId": 1,
	"keyIn": "5DA38931E8D9174BC3279C8942D2DB82",
	"deferred": false
	},
	{
	"tcId": 2,
	"keyIn": "58F5426A40E3D5D2C94F0F97EB30C739",
	"deferred": false
	}
	]
	}]
	}`)

	var callsKDF = []fakeTransactCall{
	fakeTransactCall{cmd: "KDF-counter", expectedNumResults: 3, args: [][]byte{
	uint32le(128), // outputBytes
	[]byte("CMAC-AES128"), // macMode
	[]byte("after fixed data"), // counterLocation
	fromHex("5DA38931E8D9174BC3279C8942D2DB82"), // keyIn
	uint32le(8), // counterLength
	}},
	fakeTransactCall{cmd: "KDF-counter", expectedNumResults: 3, args: [][]byte{
	uint32le(128), // outputBytes
	[]byte("CMAC-AES128"), // macMode
	[]byte("after fixed data"), // counterLocation
	fromHex("58F5426A40E3D5D2C94F0F97EB30C739"), // keyIn
	uint32le(8), // counterLength
	}},
	}

	var invalidKDFJSON = []byte(`{
	"vsId": 1564,
	"algorithm": "counterMode",
	"revision": "1.0",
	"testGroups": [{
	"tgId": 1,
	"kdfMode": "counter",
	"macMode": "CMAC-AES128",
	"counterLocation": "after fixed data",
	"keyOutLength": 1024,
	"counterLength": 8,
	"tests": [{
	"tcId": 1,
	"keyIn": "5DA38931E8D9174BC3279C8942D2DB82",
	"deferred": false
	},
	{
	"tcId": abc,
	"keyIn": "58F5426A40E3D5D2C94F0F97EB30C739",
	"deferred": false
	}
	]
	}]
	}`)

	var validACVPAESECB = []byte(`{
	"vsId" : 181726,
	"algorithm" : "ACVP-AES-ECB",
	"revision" : "1.0",
	"isSample" : true,
	"testGroups" : [ {
	"tgId" : 1,
	"testType" : "AFT",
	"direction" : "encrypt",
	"keyLen" : 128,
	"tests" : [ {
	"tcId" : 1,
	"pt" : "F34481EC3CC627BACD5DC3FB08F273E6",
	"key" : "00000000000000000000000000000000"
	}, {
	"tcId" : 2,
	"pt" : "9798C4640BAD75C7C3227DB910174E72",
	"key" : "00000000000000000000000000000000"
	}]
	}]
	}`)

	var invalidACVPAESECB = []byte(`{
	"vsId" : 181726,
	"algorithm" : "ACVP-AES-ECB",
	"revision" : "1.0",
	"isSample" : true,
	"testGroups" : [ {
	"tgId" : 1,
	"testType" : "AFT",
	"direction" : "encrypt",
	"keyLen" : 128,
	"tests" : [ {
	"tcId" : abc,
	"pt" : "F34481EC3CC627BACD5DC3FB08F273E6",
	"key" : "00000000000000000000000000000000"
	}, {
	"tcId" : 2,
	"pt" : "9798C4640BAD75C7C3227DB910174E72",
	"key" : "00000000000000000000000000000000"
	}]
	}]
	}`)

	var callsACVPAESECB = []fakeTransactCall{
	fakeTransactCall{cmd: "AES/encrypt", expectedNumResults: 1, args: [][]byte{
	fromHex("00000000000000000000000000000000"),
	fromHex("F34481EC3CC627BACD5DC3FB08F273E6"),
	}},
	fakeTransactCall{cmd: "AES/encrypt", expectedNumResults: 1, args: [][]byte{
	fromHex("00000000000000000000000000000000"),
	fromHex("9798C4640BAD75C7C3227DB910174E72"),
	}},
	}

	var validCTRDRBG = []byte(`{
	"vsId" : 181791,
	"algorithm" : "ctrDRBG",
	"revision" : "1.0",
	"isSample" : true,
	"testGroups" : [ {
	"tgId" : 1,
	"testType" : "AFT",
	"derFunc" : false,
	"reSeed" : false,
	"predResistance" : false,
	"entropyInputLen" : 384,
	"nonceLen" : 0,
	"persoStringLen" : 0,
	"additionalInputLen" : 0,
	"returnedBitsLen" : 2048,
	"mode" : "AES-256",
	"tests" : [ {
	"tcId" : 1,
	"entropyInput" : "0D9E8EB273307D95C616C7ACC65669C246265E8A850EDCF36990D8A6F7EC3AEA0A7DDB888EE8D7ECC19EA7830310782C",
	"nonce" : "",
	"persoString" : "",
	"otherInput" : [ {
	"intendedUse" : "generate",
	"additionalInput" : "",
	"entropyInput" : ""
	}, {
	"intendedUse" : "generate",
	"additionalInput" : "",
	"entropyInput" : ""
	} ]
	}]
	}]
	}`)

	var callsCTRDRBG = []fakeTransactCall{
	fakeTransactCall{cmd: "ctrDRBG/AES-256", expectedNumResults: 1, args: [][]byte{
	fromHex("00010000"), // uint32(256)
	fromHex("0D9E8EB273307D95C616C7ACC65669C246265E8A850EDCF36990D8A6F7EC3AEA0A7DDB888EE8D7ECC19EA7830310782C"),
	[]byte{},
	[]byte{},
	[]byte{},
	[]byte{},
	}},
	}

	var invalidCTRDRBG = []byte(`{
	"vsId" : 181791,
	"algorithm" : "ctrDRBG",
	"revision" : "1.0",
	"isSample" : true,
	"testGroups" : [ {
	"tgId" : 1,
	"testType" : "AFT",
	"derFunc" : false,
	"reSeed" : false,
	"predResistance" : false,
	"entropyInputLen" : 384,
	"nonceLen" : 0,
	"persoStringLen" : 0,
	"additionalInputLen" : 0,
	"returnedBitsLen" : 2048,
	"mode" : "AES-256",
	"tests" : [ {
	"tcId" : abc,
	"entropyInput" : "0D9E8EB273307D95C616C7ACC65669C246265E8A850EDCF36990D8A6F7EC3AEA0A7DDB888EE8D7ECC19EA7830310782C",
	"nonce" : "",
	"persoString" : "",
	"otherInput" : [ {
	"intendedUse" : "generate",
	"additionalInput" : "",
	"entropyInput" : ""
	}, {
	"intendedUse" : "generate",
	"additionalInput" : "",
	"entropyInput" : ""
	} ]
	}]
	}]
	}`)

	var validCMACAESJSON = []byte(`{
	"vsId": 1,
	"algorithm": "CMAC-AES",
	"revision": "1.0",
	"testGroups": [{
	"tgId": 4,
	"testType": "AFT",
	"direction": "gen",
	"keyLen": 128,
	"msgLen": 2752,
	"macLen": 64,
	"tests": [{
	"tcId": 25,
	"key": "E2547E38B28B2C24892C133FF4770688",
	"message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
	}]
	}]
	}`)

	var callsCMACAES = []fakeTransactCall{
	fakeTransactCall{cmd: "CMAC-AES", expectedNumResults: 1, args: [][]byte{
	uint32le(64 / 8), // outputBytes
	fromHex("E2547E38B28B2C24892C133FF4770688"), // key
	fromHex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msg
	}},
	}

	var invalidCMACAESJSON = []byte(`{
	"vsId": 1,
	"algorithm": "CMAC-AES",
	"revision": "1.0",
	"testGroups": [{
	"tgId": 4,
	"testType": "AFT",
	"direction": "gen",
	"keyLen": 128,
	"msgLen": 2752,
	"macLen": 64,
	"tests": [{
	"tcId": abc,
	"key": "E2547E38B28B2C24892C133FF4770688",
	"message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
	}]
	}]
	}`)

	// fakeTransactable provides a fake to return results that don't go to the ACVP
	// server.
	type fakeTransactable struct {
	calls []fakeTransactCall
	results []fakeTransactResult
	}

	type fakeTransactCall struct {
	cmd string
	expectedNumResults int
	args [][]byte
	}

	type fakeTransactResult struct {
	bytes [][]byte
	err error
	}

	func (f *fakeTransactable) Transact(cmd string, expectedNumResults int, args ...[]byte) ([][]byte, error) {
	f.calls = append(f.calls, fakeTransactCall{cmd, expectedNumResults, args})

	if len(f.results) == 0 {
	return nil, fmt.Errorf("Transact called but no TransactResults remain")
	}

	ret := f.results[0]
	f.results = f.results[1:]
	return ret.bytes, ret.err
	}

	func newFakeTransactable(numResponses int) *fakeTransactable {
	ret := new(fakeTransactable)

	// Add results requested by caller.
	dummyResult := [][]byte{[]byte("dummy result")}
	for i := 0; i < numResponses; i++ {
	ret.results = append(ret.results, fakeTransactResult{bytes: dummyResult, err: nil})
	}

	return ret
	}

	// TestPrimitiveParsesJSON verifies that basic JSON parsing with a
	// small passing case & a single failing case.
	func TestPrimitives(t *testing.T) {
	var tests = []struct {
	algo string
	p primitive
	validJSON []byte
	invalidJSON []byte
	expectedCalls []fakeTransactCall
	results []fakeTransactResult
	}{
	{
	algo: "SHA2-256",
	p: &hashPrimitive{"SHA2-256", 32},
	validJSON: validSHA2_256,
	invalidJSON: invalidSHA2_256,
	expectedCalls: callsSHA2_256,
	},
	{
	algo: "kdf",
	p: &kdfPrimitive{},
	validJSON: validKDFJSON,
	invalidJSON: invalidKDFJSON,
	expectedCalls: callsKDF,
	results: []fakeTransactResult{
	{bytes: [][]byte{
	fromHex("5DA38931E8D9174BC3279C8942D2DB82"),
	[]byte("data1"),
	[]byte("keyOut1"),
	}},
	{bytes: [][]byte{
	fromHex("58F5426A40E3D5D2C94F0F97EB30C739"),
	[]byte("data2"),
	[]byte("keyOut2"),
	}},
	},
	},
	{
	algo: "CMAC-AES",
	p: &keyedMACPrimitive{"CMAC-AES"},
	validJSON: validCMACAESJSON,
	invalidJSON: invalidCMACAESJSON,
	expectedCalls: callsCMACAES,
	results: []fakeTransactResult{
	{bytes: [][]byte{
	fromHex("0102030405060708"),
	}},
	},
	},
	{
	algo: "ACVP-AES-ECB",
	p: &blockCipher{"AES", 16, false},
	validJSON: validACVPAESECB,
	invalidJSON: invalidACVPAESECB,
	expectedCalls: callsACVPAESECB,
	},
	{
	algo: "ctrDRBG",
	p: &drbg{"ctrDRBG", map[string]bool{"AES-128": true, "AES-192": true, "AES-256": true}},
	validJSON: validCTRDRBG,
	invalidJSON: invalidCTRDRBG,
	expectedCalls: callsCTRDRBG,
	results: []fakeTransactResult{
	fakeTransactResult{bytes: [][]byte{make([]byte, 256)}},
	},
	},
	}

	for _, test := range tests {
	transactable := newFakeTransactable(len(test.expectedCalls))
	if len(test.results) > 0 {
	transactable.results = test.results
	}

	if _, err := test.p.Process(test.validJSON, transactable); err != nil {
	t.Errorf("%s: valid input failed unexpectedly: %v", test.algo, err)
	continue
	}

	if len(transactable.calls) != len(test.expectedCalls) {
	t.Errorf("%s: got %d results, but want %d", test.algo, len(transactable.calls), len(test.expectedCalls))
	continue
	}

	if !reflect.DeepEqual(transactable.calls, test.expectedCalls) {
	t.Errorf("%s: got:\n%#v\n\nwant:\n%#v", test.algo, transactable.calls, test.expectedCalls)
	}

	if _, err := test.p.Process(test.invalidJSON, transactable); !isJSONSyntaxError(err) {
	t.Errorf("Test %v with invalid input either passed or failed with the wrong error (%v)", test.algo, err)
	}
	}
	}

	// isJSONSyntaxError returns true if the error is a json syntax error.
	func isJSONSyntaxError(err error) bool {
	_, ok := err.(*json.SyntaxError)
	return ok
	}

	// fromHex wraps hex.DecodeString so it can be used in initializers. Panics on error.
	func fromHex(s string) []byte {
	key, err := hex.DecodeString(s)
	if err != nil {
	panic(fmt.Sprintf("Failed on hex.DecodeString(%q) with %v", s, err))
	}
	return key
	}