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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
 
package hmac
 
import (
        "crypto/md5"
        "crypto/sha1"
        "crypto/sha256"
        "crypto/sha512"
        "fmt"
        "hash"
        "testing"
)
 
type hmacTest struct {
        hash func() hash.Hash
        key  []byte
        in   []byte
        out  string
}
 
var hmacTests = []hmacTest{
        // Tests from US FIPS 198
        // http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
        {
                sha1.New,
                []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,
                },
                []byte("Sample #1"),
                "4f4ca3d5d68ba7cc0a1208c9c61e9c5da0403c0a",
        },
        {
                sha1.New,
                []byte{
                        0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
                        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
                        0x40, 0x41, 0x42, 0x43,
                },
                []byte("Sample #2"),
                "0922d3405faa3d194f82a45830737d5cc6c75d24",
        },
        {
                sha1.New,
                []byte{
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
                        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
                        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
                        0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
                        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
                        0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
                        0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
                        0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
                        0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
                        0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
                        0xb0, 0xb1, 0xb2, 0xb3,
                },
                []byte("Sample #3"),
                "bcf41eab8bb2d802f3d05caf7cb092ecf8d1a3aa",
        },
 
        // Test from Plan 9.
        {
                md5.New,
                []byte("Jefe"),
                []byte("what do ya want for nothing?"),
                "750c783e6ab0b503eaa86e310a5db738",
        },
 
        // Tests from RFC 4231
        {
                sha256.New,
                []byte{
                        0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
                        0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
                        0x0b, 0x0b, 0x0b, 0x0b,
                },
                []byte("Hi There"),
                "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7",
        },
        {
                sha256.New,
                []byte("Jefe"),
                []byte("what do ya want for nothing?"),
                "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843",
        },
        {
                sha256.New,
                []byte{
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa,
                },
                []byte{
                        0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
                        0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
                        0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
                        0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
                        0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
                        0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
                        0xdd, 0xdd,
                },
                "773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe",
        },
        {
                sha256.New,
                []byte{
                        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,
                },
                []byte{
                        0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
                        0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
                        0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
                        0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
                        0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
                        0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
                        0xcd, 0xcd,
                },
                "82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b",
        },
        {
                sha256.New,
                []byte{
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa,
                },
                []byte("Test Using Larger Than Block-Size Key - Hash Key First"),
                "60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54",
        },
        {
                sha256.New,
                []byte{
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
                        0xaa, 0xaa, 0xaa,
                },
                []byte("This is a test using a larger than block-size key " +
                        "and a larger than block-size data. The key needs to " +
                        "be hashed before being used by the HMAC algorithm."),
                "9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2",
        },
 
        // Tests from http://csrc.nist.gov/groups/ST/toolkit/examples.html
        // (truncated tag tests are left out)
        {
                sha1.New,
                []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,
                },
                []byte("Sample message for keylen=blocklen"),
                "5fd596ee78d5553c8ff4e72d266dfd192366da29",
        },
        {
                sha1.New,
                []byte{
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                        0x10, 0x11, 0x12, 0x13,
                },
                []byte("Sample message for keylen
                "4c99ff0cb1b31bd33f8431dbaf4d17fcd356a807",
        },
        {
                sha1.New,
                []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,
                        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63,
                },
                []byte("Sample message for keylen=blocklen"),
                "2d51b2f7750e410584662e38f133435f4c4fd42a",
        },
        {
                sha256.New224,
                []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,
                },
                []byte("Sample message for keylen=blocklen"),
                "c7405e3ae058e8cd30b08b4140248581ed174cb34e1224bcc1efc81b",
        },
        {
                sha256.New224,
                []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,
                },
                []byte("Sample message for keylen
                "e3d249a8cfb67ef8b7a169e9a0a599714a2cecba65999a51beb8fbbe",
        },
        {
                sha256.New224,
                []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,
                        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63,
                },
                []byte("Sample message for keylen=blocklen"),
                "91c52509e5af8531601ae6230099d90bef88aaefb961f4080abc014d",
        },
        {
                sha256.New,
                []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,
                },
                []byte("Sample message for keylen=blocklen"),
                "8bb9a1db9806f20df7f77b82138c7914d174d59e13dc4d0169c9057b133e1d62",
        },
        {
                sha256.New,
                []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,
                },
                []byte("Sample message for keylen
                "a28cf43130ee696a98f14a37678b56bcfcbdd9e5cf69717fecf5480f0ebdf790",
        },
        {
                sha256.New,
                []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,
                        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63,
                },
                []byte("Sample message for keylen=blocklen"),
                "bdccb6c72ddeadb500ae768386cb38cc41c63dbb0878ddb9c7a38a431b78378d",
        },
        {
                sha512.New384,
                []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,
                        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
                        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
                        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
                        0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
                },
                []byte("Sample message for keylen=blocklen"),
                "63c5daa5e651847ca897c95814ab830bededc7d25e83eef9195cd45857a37f448947858f5af50cc2b1b730ddf29671a9",
        },
        {
                sha512.New384,
                []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,
                },
                []byte("Sample message for keylen
                "6eb242bdbb582ca17bebfa481b1e23211464d2b7f8c20b9ff2201637b93646af5ae9ac316e98db45d9cae773675eeed0",
        },
        {
                sha512.New384,
                []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,
                        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
                        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
                        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
                        0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
                        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
                        0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
                        0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
                        0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
                        0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
                        0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
                        0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
                        0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
                        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
                },
                []byte("Sample message for keylen=blocklen"),
                "5b664436df69b0ca22551231a3f0a3d5b4f97991713cfa84bff4d0792eff96c27dccbbb6f79b65d548b40e8564cef594",
        },
        {
                sha512.New,
                []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,
                        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
                        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
                        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
                        0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
                },
                []byte("Sample message for keylen=blocklen"),
                "fc25e240658ca785b7a811a8d3f7b4ca" +
                        "48cfa26a8a366bf2cd1f836b05fcb024bd36853081811d6c" +
                        "ea4216ebad79da1cfcb95ea4586b8a0ce356596a55fb1347",
        },
        {
                sha512.New,
                []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,
                },
                []byte("Sample message for keylen
                "fd44c18bda0bb0a6ce0e82b031bf2818" +
                        "f6539bd56ec00bdc10a8a2d730b3634de2545d639b0f2cf7" +
                        "10d0692c72a1896f1f211c2b922d1a96c392e07e7ea9fedc",
        },
        {
                sha512.New,
                []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,
                        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                        0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
                        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
                        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
                        0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
                        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
                        0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
                        0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
                        0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
                        0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
                        0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
                        0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
                        0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
                        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
                },
                []byte("Sample message for keylen=blocklen"),
                "d93ec8d2de1ad2a9957cb9b83f14e76a" +
                        "d6b5e0cce285079a127d3b14bccb7aa7286d4ac0d4ce6421" +
                        "5f2bc9e6870b33d97438be4aaa20cda5c5a912b48b8e27f3",
        },
}
 
func TestHMAC(t *testing.T) {
        for i, tt := range hmacTests {
                h := New(tt.hash, tt.key)
                for j := 0; j < 2; j++ {
                        n, err := h.Write(tt.in)
                        if n != len(tt.in) || err != nil {
                                t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err)
                                continue
                        }
 
                        // Repetitive Sum() calls should return the same value
                        for k := 0; k < 2; k++ {
                                sum := fmt.Sprintf("%x", h.Sum(nil))
                                if sum != tt.out {
                                        t.Errorf("test %d.%d.%d: have %s want %s\n", i, j, k, sum, tt.out)
                                }
                        }
 
                        // Second iteration: make sure reset works.
                        h.Reset()
                }
        }
}

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [crypto/] [hmac/] [hmac_test.go] - Blame information for rev 858

Line No.	Rev	Author	Line
1	747	jeremybenn	`// Copyright 2009 The Go Authors. All rights reserved.`
2			`// Use of this source code is governed by a BSD-style`
3			`// license that can be found in the LICENSE file.`
4
5			`package hmac`
6
7			`import (`
8			`"crypto/md5"`
9			`"crypto/sha1"`
10			`"crypto/sha256"`
11			`"crypto/sha512"`
12			`"fmt"`
13			`"hash"`
14			`"testing"`
15			`)`
16
17			`type hmacTest struct {`
18			`hash func() hash.Hash`
19			`key []byte`
20			`in []byte`
21			`out string`
22			`}`
23
24			`var hmacTests = []hmacTest{`
25			`// Tests from US FIPS 198`
26			`// http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf`
27			`{`
28			`sha1.New,`
29			`[]byte{`
30			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
31			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
32			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
33			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
34			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
35			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
36			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
37			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
38			`},`
39			`[]byte("Sample #1"),`
40			`"4f4ca3d5d68ba7cc0a1208c9c61e9c5da0403c0a",`
41			`},`
42			`{`
43			`sha1.New,`
44			`[]byte{`
45			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
46			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
47			`0x40, 0x41, 0x42, 0x43,`
48			`},`
49			`[]byte("Sample #2"),`
50			`"0922d3405faa3d194f82a45830737d5cc6c75d24",`
51			`},`
52			`{`
53			`sha1.New,`
54			`[]byte{`
55			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
56			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
57			`0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,`
58			`0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,`
59			`0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,`
60			`0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,`
61			`0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,`
62			`0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,`
63			`0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,`
64			`0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,`
65			`0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,`
66			`0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,`
67			`0xb0, 0xb1, 0xb2, 0xb3,`
68			`},`
69			`[]byte("Sample #3"),`
70			`"bcf41eab8bb2d802f3d05caf7cb092ecf8d1a3aa",`
71			`},`
72
73			`// Test from Plan 9.`
74			`{`
75			`md5.New,`
76			`[]byte("Jefe"),`
77			`[]byte("what do ya want for nothing?"),`
78			`"750c783e6ab0b503eaa86e310a5db738",`
79			`},`
80
81			`// Tests from RFC 4231`
82			`{`
83			`sha256.New,`
84			`[]byte{`
85			`0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,`
86			`0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,`
87			`0x0b, 0x0b, 0x0b, 0x0b,`
88			`},`
89			`[]byte("Hi There"),`
90			`"b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7",`
91			`},`
92			`{`
93			`sha256.New,`
94			`[]byte("Jefe"),`
95			`[]byte("what do ya want for nothing?"),`
96			`"5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843",`
97			`},`
98			`{`
99			`sha256.New,`
100			`[]byte{`
101			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
102			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
103			`0xaa, 0xaa, 0xaa, 0xaa,`
104			`},`
105			`[]byte{`
106			`0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,`
107			`0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,`
108			`0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,`
109			`0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,`
110			`0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,`
111			`0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,`
112			`0xdd, 0xdd,`
113			`},`
114			`"773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe",`
115			`},`
116			`{`
117			`sha256.New,`
118			`[]byte{`
119			`0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,`
120			`0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,`
121			`0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,`
122			`0x19,`
123			`},`
124			`[]byte{`
125			`0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,`
126			`0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,`
127			`0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,`
128			`0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,`
129			`0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,`
130			`0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,`
131			`0xcd, 0xcd,`
132			`},`
133			`"82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b",`
134			`},`
135			`{`
136			`sha256.New,`
137			`[]byte{`
138			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
139			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
140			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
141			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
142			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
143			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
144			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
145			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
146			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
147			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
148			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
149			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
150			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
151			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
152			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
153			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
154			`0xaa, 0xaa, 0xaa,`
155			`},`
156			`[]byte("Test Using Larger Than Block-Size Key - Hash Key First"),`
157			`"60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54",`
158			`},`
159			`{`
160			`sha256.New,`
161			`[]byte{`
162			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
163			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
164			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
165			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
166			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
167			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
168			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
169			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
170			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
171			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
172			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
173			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
174			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
175			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
176			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
177			`0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,`
178			`0xaa, 0xaa, 0xaa,`
179			`},`
180			`[]byte("This is a test using a larger than block-size key " +`
181			`"and a larger than block-size data. The key needs to " +`
182			`"be hashed before being used by the HMAC algorithm."),`
183			`"9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2",`
184			`},`
185
186			`// Tests from http://csrc.nist.gov/groups/ST/toolkit/examples.html`
187			`// (truncated tag tests are left out)`
188			`{`
189			`sha1.New,`
190			`[]byte{`
191			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
192			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
193			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
194			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
195			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
196			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
197			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
198			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
199			`},`
200			`[]byte("Sample message for keylen=blocklen"),`
201			`"5fd596ee78d5553c8ff4e72d266dfd192366da29",`
202			`},`
203			`{`
204			`sha1.New,`
205			`[]byte{`
206			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
207			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
208			`0x10, 0x11, 0x12, 0x13,`
209			`},`
210			`[]byte("Sample message for keylen`
211			`"4c99ff0cb1b31bd33f8431dbaf4d17fcd356a807",`
212			`},`
213			`{`
214			`sha1.New,`
215			`[]byte{`
216			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
217			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
218			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
219			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
220			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
221			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
222			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
223			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
224			`0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,`
225			`0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,`
226			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
227			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
228			`0x60, 0x61, 0x62, 0x63,`
229			`},`
230			`[]byte("Sample message for keylen=blocklen"),`
231			`"2d51b2f7750e410584662e38f133435f4c4fd42a",`
232			`},`
233			`{`
234			`sha256.New224,`
235			`[]byte{`
236			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
237			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
238			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
239			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
240			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
241			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
242			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
243			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
244			`},`
245			`[]byte("Sample message for keylen=blocklen"),`
246			`"c7405e3ae058e8cd30b08b4140248581ed174cb34e1224bcc1efc81b",`
247			`},`
248			`{`
249			`sha256.New224,`
250			`[]byte{`
251			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
252			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
253			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
254			`0x18, 0x19, 0x1a, 0x1b,`
255			`},`
256			`[]byte("Sample message for keylen`
257			`"e3d249a8cfb67ef8b7a169e9a0a599714a2cecba65999a51beb8fbbe",`
258			`},`
259			`{`
260			`sha256.New224,`
261			`[]byte{`
262			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
263			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
264			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
265			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
266			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
267			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
268			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
269			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
270			`0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,`
271			`0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,`
272			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
273			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
274			`0x60, 0x61, 0x62, 0x63,`
275			`},`
276			`[]byte("Sample message for keylen=blocklen"),`
277			`"91c52509e5af8531601ae6230099d90bef88aaefb961f4080abc014d",`
278			`},`
279			`{`
280			`sha256.New,`
281			`[]byte{`
282			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
283			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
284			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
285			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
286			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
287			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
288			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
289			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
290			`},`
291			`[]byte("Sample message for keylen=blocklen"),`
292			`"8bb9a1db9806f20df7f77b82138c7914d174d59e13dc4d0169c9057b133e1d62",`
293			`},`
294			`{`
295			`sha256.New,`
296			`[]byte{`
297			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
298			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
299			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
300			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
301			`},`
302			`[]byte("Sample message for keylen`
303			`"a28cf43130ee696a98f14a37678b56bcfcbdd9e5cf69717fecf5480f0ebdf790",`
304			`},`
305			`{`
306			`sha256.New,`
307			`[]byte{`
308			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
309			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
310			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
311			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
312			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
313			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
314			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
315			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
316			`0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,`
317			`0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,`
318			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
319			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
320			`0x60, 0x61, 0x62, 0x63,`
321			`},`
322			`[]byte("Sample message for keylen=blocklen"),`
323			`"bdccb6c72ddeadb500ae768386cb38cc41c63dbb0878ddb9c7a38a431b78378d",`
324			`},`
325			`{`
326			`sha512.New384,`
327			`[]byte{`
328			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
329			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
330			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
331			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
332			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
333			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
334			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
335			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
336			`0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,`
337			`0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,`
338			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
339			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
340			`0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,`
341			`0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,`
342			`0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,`
343			`0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,`
344			`},`
345			`[]byte("Sample message for keylen=blocklen"),`
346			`"63c5daa5e651847ca897c95814ab830bededc7d25e83eef9195cd45857a37f448947858f5af50cc2b1b730ddf29671a9",`
347			`},`
348			`{`
349			`sha512.New384,`
350			`[]byte{`
351			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
352			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
353			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
354			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
355			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
356			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
357			`},`
358			`[]byte("Sample message for keylen`
359			`"6eb242bdbb582ca17bebfa481b1e23211464d2b7f8c20b9ff2201637b93646af5ae9ac316e98db45d9cae773675eeed0",`
360			`},`
361			`{`
362			`sha512.New384,`
363			`[]byte{`
364			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
365			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
366			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
367			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
368			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
369			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
370			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
371			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
372			`0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,`
373			`0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,`
374			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
375			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
376			`0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,`
377			`0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,`
378			`0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,`
379			`0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,`
380			`0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,`
381			`0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,`
382			`0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,`
383			`0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,`
384			`0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,`
385			`0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,`
386			`0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,`
387			`0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,`
388			`0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,`
389			`},`
390			`[]byte("Sample message for keylen=blocklen"),`
391			`"5b664436df69b0ca22551231a3f0a3d5b4f97991713cfa84bff4d0792eff96c27dccbbb6f79b65d548b40e8564cef594",`
392			`},`
393			`{`
394			`sha512.New,`
395			`[]byte{`
396			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
397			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
398			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
399			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
400			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
401			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
402			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
403			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
404			`0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,`
405			`0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,`
406			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
407			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
408			`0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,`
409			`0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,`
410			`0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,`
411			`0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,`
412			`},`
413			`[]byte("Sample message for keylen=blocklen"),`
414			`"fc25e240658ca785b7a811a8d3f7b4ca" +`
415			`"48cfa26a8a366bf2cd1f836b05fcb024bd36853081811d6c" +`
416			`"ea4216ebad79da1cfcb95ea4586b8a0ce356596a55fb1347",`
417			`},`
418			`{`
419			`sha512.New,`
420			`[]byte{`
421			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
422			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
423			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
424			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
425			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
426			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
427			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
428			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
429			`},`
430			`[]byte("Sample message for keylen`
431			`"fd44c18bda0bb0a6ce0e82b031bf2818" +`
432			`"f6539bd56ec00bdc10a8a2d730b3634de2545d639b0f2cf7" +`
433			`"10d0692c72a1896f1f211c2b922d1a96c392e07e7ea9fedc",`
434			`},`
435			`{`
436			`sha512.New,`
437			`[]byte{`
438			`0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,`
439			`0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,`
440			`0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,`
441			`0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,`
442			`0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,`
443			`0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,`
444			`0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,`
445			`0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,`
446			`0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,`
447			`0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,`
448			`0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,`
449			`0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,`
450			`0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,`
451			`0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,`
452			`0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,`
453			`0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,`
454			`0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,`
455			`0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,`
456			`0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,`
457			`0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,`
458			`0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,`
459			`0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,`
460			`0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,`
461			`0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,`
462			`0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,`
463			`},`
464			`[]byte("Sample message for keylen=blocklen"),`
465			`"d93ec8d2de1ad2a9957cb9b83f14e76a" +`
466			`"d6b5e0cce285079a127d3b14bccb7aa7286d4ac0d4ce6421" +`
467			`"5f2bc9e6870b33d97438be4aaa20cda5c5a912b48b8e27f3",`
468			`},`
469			`}`
470
471			`func TestHMAC(t *testing.T) {`
472			`for i, tt := range hmacTests {`
473			`h := New(tt.hash, tt.key)`
474			`for j := 0; j < 2; j++ {`
475			`n, err := h.Write(tt.in)`
476			`if n != len(tt.in) \|\| err != nil {`
477			`t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err)`
478			`continue`
479			`}`
480
481			`// Repetitive Sum() calls should return the same value`
482			`for k := 0; k < 2; k++ {`
483			`sum := fmt.Sprintf("%x", h.Sum(nil))`
484			`if sum != tt.out {`
485			`t.Errorf("test %d.%d.%d: have %s want %s\n", i, j, k, sum, tt.out)`
486			`}`
487			`}`
488
489			`// Second iteration: make sure reset works.`
490			`h.Reset()`
491			`}`
492			`}`
493			`}`