diff options
Diffstat (limited to 'vendor/github.com/rsc/letsencrypt/vendor/gopkg.in/square/go-jose.v1/cipher/cbc_hmac_test.go')
| -rw-r--r-- | vendor/github.com/rsc/letsencrypt/vendor/gopkg.in/square/go-jose.v1/cipher/cbc_hmac_test.go | 498 |
1 files changed, 0 insertions, 498 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/gopkg.in/square/go-jose.v1/cipher/cbc_hmac_test.go b/vendor/github.com/rsc/letsencrypt/vendor/gopkg.in/square/go-jose.v1/cipher/cbc_hmac_test.go deleted file mode 100644 index 40bcb20fa..000000000 --- a/vendor/github.com/rsc/letsencrypt/vendor/gopkg.in/square/go-jose.v1/cipher/cbc_hmac_test.go +++ /dev/null @@ -1,498 +0,0 @@ -/*- - * Copyright 2014 Square 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 josecipher - -import ( - "bytes" - "crypto/aes" - "crypto/cipher" - "crypto/rand" - "io" - "strings" - "testing" -) - -func TestInvalidInputs(t *testing.T) { - key := []byte{ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - } - - nonce := []byte{ - 92, 80, 104, 49, 133, 25, 161, 215, 173, 101, 219, 211, 136, 91, 210, 145} - - aead, _ := NewCBCHMAC(key, aes.NewCipher) - ciphertext := aead.Seal(nil, nonce, []byte("plaintext"), []byte("aad")) - - // Changed AAD, must fail - _, err := aead.Open(nil, nonce, ciphertext, []byte("INVALID")) - if err == nil { - t.Error("must detect invalid aad") - } - - // Empty ciphertext, must fail - _, err = aead.Open(nil, nonce, []byte{}, []byte("aad")) - if err == nil { - t.Error("must detect invalid/empty ciphertext") - } - - // Corrupt ciphertext, must fail - corrupt := make([]byte, len(ciphertext)) - copy(corrupt, ciphertext) - corrupt[0] ^= 0xFF - - _, err = aead.Open(nil, nonce, corrupt, []byte("aad")) - if err == nil { - t.Error("must detect corrupt ciphertext") - } - - // Corrupt authtag, must fail - copy(corrupt, ciphertext) - corrupt[len(ciphertext)-1] ^= 0xFF - - _, err = aead.Open(nil, nonce, corrupt, []byte("aad")) - if err == nil { - t.Error("must detect corrupt authtag") - } - - // Truncated data, must fail - _, err = aead.Open(nil, nonce, ciphertext[:10], []byte("aad")) - if err == nil { - t.Error("must detect corrupt authtag") - } -} - -func TestVectorsAESCBC128(t *testing.T) { - // Source: http://tools.ietf.org/html/draft-ietf-jose-json-web-encryption-29#appendix-A.2 - plaintext := []byte{ - 76, 105, 118, 101, 32, 108, 111, 110, 103, 32, 97, 110, 100, 32, - 112, 114, 111, 115, 112, 101, 114, 46} - - aad := []byte{ - 101, 121, 74, 104, 98, 71, 99, 105, 79, 105, 74, 83, 85, 48, 69, - 120, 88, 122, 85, 105, 76, 67, 74, 108, 98, 109, 77, 105, 79, 105, - 74, 66, 77, 84, 73, 52, 81, 48, 74, 68, 76, 85, 104, 84, 77, 106, 85, - 50, 73, 110, 48} - - expectedCiphertext := []byte{ - 40, 57, 83, 181, 119, 33, 133, 148, 198, 185, 243, 24, 152, 230, 6, - 75, 129, 223, 127, 19, 210, 82, 183, 230, 168, 33, 215, 104, 143, - 112, 56, 102} - - expectedAuthtag := []byte{ - 246, 17, 244, 190, 4, 95, 98, 3, 231, 0, 115, 157, 242, 203, 100, - 191} - - key := []byte{ - 4, 211, 31, 197, 84, 157, 252, 254, 11, 100, 157, 250, 63, 170, 106, 206, - 107, 124, 212, 45, 111, 107, 9, 219, 200, 177, 0, 240, 143, 156, 44, 207} - - nonce := []byte{ - 3, 22, 60, 12, 43, 67, 104, 105, 108, 108, 105, 99, 111, 116, 104, 101} - - enc, err := NewCBCHMAC(key, aes.NewCipher) - out := enc.Seal(nil, nonce, plaintext, aad) - if err != nil { - t.Error("Unable to encrypt:", err) - return - } - - if bytes.Compare(out[:len(out)-16], expectedCiphertext) != 0 { - t.Error("Ciphertext did not match") - } - if bytes.Compare(out[len(out)-16:], expectedAuthtag) != 0 { - t.Error("Auth tag did not match") - } -} - -func TestVectorsAESCBC256(t *testing.T) { - // Source: https://tools.ietf.org/html/draft-mcgrew-aead-aes-cbc-hmac-sha2-05#section-5.4 - plaintext := []byte{ - 0x41, 0x20, 0x63, 0x69, 0x70, 0x68, 0x65, 0x72, 0x20, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, - 0x6d, 0x75, 0x73, 0x74, 0x20, 0x6e, 0x6f, 0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x65, 0x71, 0x75, - 0x69, 0x72, 0x65, 0x64, 0x20, 0x74, 0x6f, 0x20, 0x62, 0x65, 0x20, 0x73, 0x65, 0x63, 0x72, 0x65, - 0x74, 0x2c, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x69, 0x74, 0x20, 0x6d, 0x75, 0x73, 0x74, 0x20, 0x62, - 0x65, 0x20, 0x61, 0x62, 0x6c, 0x65, 0x20, 0x74, 0x6f, 0x20, 0x66, 0x61, 0x6c, 0x6c, 0x20, 0x69, - 0x6e, 0x74, 0x6f, 0x20, 0x74, 0x68, 0x65, 0x20, 0x68, 0x61, 0x6e, 0x64, 0x73, 0x20, 0x6f, 0x66, - 0x20, 0x74, 0x68, 0x65, 0x20, 0x65, 0x6e, 0x65, 0x6d, 0x79, 0x20, 0x77, 0x69, 0x74, 0x68, 0x6f, - 0x75, 0x74, 0x20, 0x69, 0x6e, 0x63, 0x6f, 0x6e, 0x76, 0x65, 0x6e, 0x69, 0x65, 0x6e, 0x63, 0x65} - - aad := []byte{ - 0x54, 0x68, 0x65, 0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x70, 0x72, 0x69, 0x6e, 0x63, - 0x69, 0x70, 0x6c, 0x65, 0x20, 0x6f, 0x66, 0x20, 0x41, 0x75, 0x67, 0x75, 0x73, 0x74, 0x65, 0x20, - 0x4b, 0x65, 0x72, 0x63, 0x6b, 0x68, 0x6f, 0x66, 0x66, 0x73} - - expectedCiphertext := []byte{ - 0x4a, 0xff, 0xaa, 0xad, 0xb7, 0x8c, 0x31, 0xc5, 0xda, 0x4b, 0x1b, 0x59, 0x0d, 0x10, 0xff, 0xbd, - 0x3d, 0xd8, 0xd5, 0xd3, 0x02, 0x42, 0x35, 0x26, 0x91, 0x2d, 0xa0, 0x37, 0xec, 0xbc, 0xc7, 0xbd, - 0x82, 0x2c, 0x30, 0x1d, 0xd6, 0x7c, 0x37, 0x3b, 0xcc, 0xb5, 0x84, 0xad, 0x3e, 0x92, 0x79, 0xc2, - 0xe6, 0xd1, 0x2a, 0x13, 0x74, 0xb7, 0x7f, 0x07, 0x75, 0x53, 0xdf, 0x82, 0x94, 0x10, 0x44, 0x6b, - 0x36, 0xeb, 0xd9, 0x70, 0x66, 0x29, 0x6a, 0xe6, 0x42, 0x7e, 0xa7, 0x5c, 0x2e, 0x08, 0x46, 0xa1, - 0x1a, 0x09, 0xcc, 0xf5, 0x37, 0x0d, 0xc8, 0x0b, 0xfe, 0xcb, 0xad, 0x28, 0xc7, 0x3f, 0x09, 0xb3, - 0xa3, 0xb7, 0x5e, 0x66, 0x2a, 0x25, 0x94, 0x41, 0x0a, 0xe4, 0x96, 0xb2, 0xe2, 0xe6, 0x60, 0x9e, - 0x31, 0xe6, 0xe0, 0x2c, 0xc8, 0x37, 0xf0, 0x53, 0xd2, 0x1f, 0x37, 0xff, 0x4f, 0x51, 0x95, 0x0b, - 0xbe, 0x26, 0x38, 0xd0, 0x9d, 0xd7, 0xa4, 0x93, 0x09, 0x30, 0x80, 0x6d, 0x07, 0x03, 0xb1, 0xf6} - - expectedAuthtag := []byte{ - 0x4d, 0xd3, 0xb4, 0xc0, 0x88, 0xa7, 0xf4, 0x5c, 0x21, 0x68, 0x39, 0x64, 0x5b, 0x20, 0x12, 0xbf, - 0x2e, 0x62, 0x69, 0xa8, 0xc5, 0x6a, 0x81, 0x6d, 0xbc, 0x1b, 0x26, 0x77, 0x61, 0x95, 0x5b, 0xc5} - - key := []byte{ - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, - 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f} - - nonce := []byte{ - 0x1a, 0xf3, 0x8c, 0x2d, 0xc2, 0xb9, 0x6f, 0xfd, 0xd8, 0x66, 0x94, 0x09, 0x23, 0x41, 0xbc, 0x04} - - enc, err := NewCBCHMAC(key, aes.NewCipher) - out := enc.Seal(nil, nonce, plaintext, aad) - if err != nil { - t.Error("Unable to encrypt:", err) - return - } - - if bytes.Compare(out[:len(out)-32], expectedCiphertext) != 0 { - t.Error("Ciphertext did not match, got", out[:len(out)-32], "wanted", expectedCiphertext) - } - if bytes.Compare(out[len(out)-32:], expectedAuthtag) != 0 { - t.Error("Auth tag did not match, got", out[len(out)-32:], "wanted", expectedAuthtag) - } -} - -func TestAESCBCRoundtrip(t *testing.T) { - key128 := []byte{ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} - - key192 := []byte{ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 0, 1, 2, 3, 4, 5, 6, 7, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 0, 1, 2, 3, 4, 5, 6, 7} - - key256 := []byte{ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} - - nonce := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} - - RunRoundtrip(t, key128, nonce) - RunRoundtrip(t, key192, nonce) - RunRoundtrip(t, key256, nonce) -} - -func RunRoundtrip(t *testing.T, key, nonce []byte) { - aead, err := NewCBCHMAC(key, aes.NewCipher) - if err != nil { - panic(err) - } - - if aead.NonceSize() != len(nonce) { - panic("invalid nonce") - } - - // Test pre-existing data in dst buffer - dst := []byte{15, 15, 15, 15} - plaintext := []byte{0, 0, 0, 0} - aad := []byte{4, 3, 2, 1} - - result := aead.Seal(dst, nonce, plaintext, aad) - if bytes.Compare(dst, result[:4]) != 0 { - t.Error("Existing data in dst not preserved") - } - - // Test pre-existing (empty) dst buffer with sufficient capacity - dst = make([]byte, 256)[:0] - result, err = aead.Open(dst, nonce, result[4:], aad) - if err != nil { - panic(err) - } - - if bytes.Compare(result, plaintext) != 0 { - t.Error("Plaintext does not match output") - } -} - -func TestAESCBCOverhead(t *testing.T) { - aead, err := NewCBCHMAC(make([]byte, 32), aes.NewCipher) - if err != nil { - panic(err) - } - - if aead.Overhead() != 32 { - t.Error("CBC-HMAC reports incorrect overhead value") - } -} - -func TestPadding(t *testing.T) { - for i := 0; i < 256; i++ { - slice := make([]byte, i) - padded := padBuffer(slice, 16) - if len(padded)%16 != 0 { - t.Error("failed to pad slice properly", i) - return - } - unpadded, err := unpadBuffer(padded, 16) - if err != nil || len(unpadded) != i { - t.Error("failed to unpad slice properly", i) - return - } - } -} - -func TestInvalidKey(t *testing.T) { - key := make([]byte, 30) - _, err := NewCBCHMAC(key, aes.NewCipher) - if err == nil { - t.Error("should not be able to instantiate CBC-HMAC with invalid key") - } -} - -func TestTruncatedCiphertext(t *testing.T) { - key := make([]byte, 32) - nonce := make([]byte, 16) - data := make([]byte, 32) - - io.ReadFull(rand.Reader, key) - io.ReadFull(rand.Reader, nonce) - - aead, err := NewCBCHMAC(key, aes.NewCipher) - if err != nil { - panic(err) - } - - ctx := aead.(*cbcAEAD) - ct := aead.Seal(nil, nonce, data, nil) - - // Truncated ciphertext, but with correct auth tag - truncated, tail := resize(ct[:len(ct)-ctx.authtagBytes-2], uint64(len(ct))-2) - copy(tail, ctx.computeAuthTag(nil, nonce, truncated[:len(truncated)-ctx.authtagBytes])) - - // Open should fail - _, err = aead.Open(nil, nonce, truncated, nil) - if err == nil { - t.Error("open on truncated ciphertext should fail") - } -} - -func TestInvalidPaddingOpen(t *testing.T) { - key := make([]byte, 32) - nonce := make([]byte, 16) - - // Plaintext with invalid padding - plaintext := padBuffer(make([]byte, 28), aes.BlockSize) - plaintext[len(plaintext)-1] = 0xFF - - io.ReadFull(rand.Reader, key) - io.ReadFull(rand.Reader, nonce) - - block, _ := aes.NewCipher(key) - cbc := cipher.NewCBCEncrypter(block, nonce) - buffer := append([]byte{}, plaintext...) - cbc.CryptBlocks(buffer, buffer) - - aead, _ := NewCBCHMAC(key, aes.NewCipher) - ctx := aead.(*cbcAEAD) - - // Mutated ciphertext, but with correct auth tag - size := uint64(len(buffer)) - ciphertext, tail := resize(buffer, size+(uint64(len(key))/2)) - copy(tail, ctx.computeAuthTag(nil, nonce, ciphertext[:size])) - - // Open should fail (b/c of invalid padding, even though tag matches) - _, err := aead.Open(nil, nonce, ciphertext, nil) - if err == nil || !strings.Contains(err.Error(), "invalid padding") { - t.Error("no or unexpected error on open with invalid padding:", err) - } -} - -func TestInvalidPadding(t *testing.T) { - for i := 0; i < 256; i++ { - slice := make([]byte, i) - padded := padBuffer(slice, 16) - if len(padded)%16 != 0 { - t.Error("failed to pad slice properly", i) - return - } - - paddingBytes := 16 - (i % 16) - - // Mutate padding for testing - for j := 1; j <= paddingBytes; j++ { - mutated := make([]byte, len(padded)) - copy(mutated, padded) - mutated[len(mutated)-j] ^= 0xFF - - _, err := unpadBuffer(mutated, 16) - if err == nil { - t.Error("unpad on invalid padding should fail", i) - return - } - } - - // Test truncated padding - _, err := unpadBuffer(padded[:len(padded)-1], 16) - if err == nil { - t.Error("unpad on truncated padding should fail", i) - return - } - } -} - -func TestZeroLengthPadding(t *testing.T) { - data := make([]byte, 16) - data, err := unpadBuffer(data, 16) - if err == nil { - t.Error("padding with 0x00 should never be valid") - } -} - -func benchEncryptCBCHMAC(b *testing.B, keySize, chunkSize int) { - key := make([]byte, keySize*2) - nonce := make([]byte, 16) - - io.ReadFull(rand.Reader, key) - io.ReadFull(rand.Reader, nonce) - - chunk := make([]byte, chunkSize) - - aead, err := NewCBCHMAC(key, aes.NewCipher) - if err != nil { - panic(err) - } - - b.SetBytes(int64(chunkSize)) - b.ResetTimer() - for i := 0; i < b.N; i++ { - aead.Seal(nil, nonce, chunk, nil) - } -} - -func benchDecryptCBCHMAC(b *testing.B, keySize, chunkSize int) { - key := make([]byte, keySize*2) - nonce := make([]byte, 16) - - io.ReadFull(rand.Reader, key) - io.ReadFull(rand.Reader, nonce) - - chunk := make([]byte, chunkSize) - - aead, err := NewCBCHMAC(key, aes.NewCipher) - if err != nil { - panic(err) - } - - out := aead.Seal(nil, nonce, chunk, nil) - - b.SetBytes(int64(chunkSize)) - b.ResetTimer() - for i := 0; i < b.N; i++ { - aead.Open(nil, nonce, out, nil) - } -} - -func BenchmarkEncryptAES128_CBCHMAC_1k(b *testing.B) { - benchEncryptCBCHMAC(b, 16, 1024) -} - -func BenchmarkEncryptAES128_CBCHMAC_64k(b *testing.B) { - benchEncryptCBCHMAC(b, 16, 65536) -} - -func BenchmarkEncryptAES128_CBCHMAC_1MB(b *testing.B) { - benchEncryptCBCHMAC(b, 16, 1048576) -} - -func BenchmarkEncryptAES128_CBCHMAC_64MB(b *testing.B) { - benchEncryptCBCHMAC(b, 16, 67108864) -} - -func BenchmarkDecryptAES128_CBCHMAC_1k(b *testing.B) { - benchDecryptCBCHMAC(b, 16, 1024) -} - -func BenchmarkDecryptAES128_CBCHMAC_64k(b *testing.B) { - benchDecryptCBCHMAC(b, 16, 65536) -} - -func BenchmarkDecryptAES128_CBCHMAC_1MB(b *testing.B) { - benchDecryptCBCHMAC(b, 16, 1048576) -} - -func BenchmarkDecryptAES128_CBCHMAC_64MB(b *testing.B) { - benchDecryptCBCHMAC(b, 16, 67108864) -} - -func BenchmarkEncryptAES192_CBCHMAC_64k(b *testing.B) { - benchEncryptCBCHMAC(b, 24, 65536) -} - -func BenchmarkEncryptAES192_CBCHMAC_1MB(b *testing.B) { - benchEncryptCBCHMAC(b, 24, 1048576) -} - -func BenchmarkEncryptAES192_CBCHMAC_64MB(b *testing.B) { - benchEncryptCBCHMAC(b, 24, 67108864) -} - -func BenchmarkDecryptAES192_CBCHMAC_1k(b *testing.B) { - benchDecryptCBCHMAC(b, 24, 1024) -} - -func BenchmarkDecryptAES192_CBCHMAC_64k(b *testing.B) { - benchDecryptCBCHMAC(b, 24, 65536) -} - -func BenchmarkDecryptAES192_CBCHMAC_1MB(b *testing.B) { - benchDecryptCBCHMAC(b, 24, 1048576) -} - -func BenchmarkDecryptAES192_CBCHMAC_64MB(b *testing.B) { - benchDecryptCBCHMAC(b, 24, 67108864) -} - -func BenchmarkEncryptAES256_CBCHMAC_64k(b *testing.B) { - benchEncryptCBCHMAC(b, 32, 65536) -} - -func BenchmarkEncryptAES256_CBCHMAC_1MB(b *testing.B) { - benchEncryptCBCHMAC(b, 32, 1048576) -} - -func BenchmarkEncryptAES256_CBCHMAC_64MB(b *testing.B) { - benchEncryptCBCHMAC(b, 32, 67108864) -} - -func BenchmarkDecryptAES256_CBCHMAC_1k(b *testing.B) { - benchDecryptCBCHMAC(b, 32, 1032) -} - -func BenchmarkDecryptAES256_CBCHMAC_64k(b *testing.B) { - benchDecryptCBCHMAC(b, 32, 65536) -} - -func BenchmarkDecryptAES256_CBCHMAC_1MB(b *testing.B) { - benchDecryptCBCHMAC(b, 32, 1048576) -} - -func BenchmarkDecryptAES256_CBCHMAC_64MB(b *testing.B) { - benchDecryptCBCHMAC(b, 32, 67108864) -} |