ssh_kdf_sha256.c

//
// ssh_kdf_sha256.c
//
// Copyright (c) Microsoft Corporation. Licensed under the MIT license.
//

#include "precomp.h"



static const BYTE pbKey[] =
{
    0x00, 0x00, 0x00, 0x81, 0x00, 0x87, 0x5c, 0x55, 0x1c, 0xef, 0x52, 0x6a, 0x4a, 0x8b, 0xe1, 0xa7,
    0xdf, 0x27, 0xe9, 0xed, 0x35, 0x4b, 0xac, 0x9a, 0xfb, 0x71, 0xf5, 0x3d, 0xba, 0xe9, 0x05, 0x67,
    0x9d, 0x14, 0xf9, 0xfa, 0xf2, 0x46, 0x9c, 0x53, 0x45, 0x7c, 0xf8, 0x0a, 0x36, 0x6b, 0xe2, 0x78,
    0x96, 0x5b, 0xa6, 0x25, 0x52, 0x76, 0xca, 0x2d, 0x9f, 0x4a, 0x97, 0xd2, 0x71, 0xf7, 0x1e, 0x50,
    0xd8, 0xa9, 0xec, 0x46, 0x25, 0x3a, 0x6a, 0x90, 0x6a, 0xc2, 0xc5, 0xe4, 0xf4, 0x8b, 0x27, 0xa6,
    0x3c, 0xe0, 0x8d, 0x80, 0x39, 0x0a, 0x49, 0x2a, 0xa4, 0x3b, 0xad, 0x9d, 0x88, 0x2c, 0xca, 0xc2,
    0x3d, 0xac, 0x88, 0xbc, 0xad, 0xa4, 0xb4, 0xd4, 0x26, 0xa3, 0x62, 0x08, 0x3d, 0xab, 0x65, 0x69,
    0xc5, 0x4c, 0x22, 0x4d, 0xd2, 0xd8, 0x76, 0x43, 0xaa, 0x22, 0x76, 0x93, 0xe1, 0x41, 0xad, 0x16,
    0x30, 0xce, 0x13, 0x14, 0x4e
};

static const BYTE pbHash[] =
{
    0x0e, 0x68, 0x3f, 0xc8, 0xa9, 0xed, 0x7c, 0x2f, 0xf0, 0x2d, 0xef, 0x23, 0xb2, 0x74, 0x5e, 0xbc,
    0x99, 0xb2, 0x67, 0xda, 0xa8, 0x6a, 0x4a, 0xa7, 0x69, 0x72, 0x39, 0x08, 0x82, 0x53, 0xf6, 0x42
};

static const BYTE pbSessionId[] =
{
    0x0e, 0x68, 0x3f, 0xc8, 0xa9, 0xed, 0x7c, 0x2f, 0xf0, 0x2d, 0xef, 0x23, 0xb2, 0x74, 0x5e, 0xbc,
    0x99, 0xb2, 0x67, 0xda, 0xa8, 0x6a, 0x4a, 0xa7, 0x69, 0x72, 0x39, 0x08, 0x82, 0x53, 0xf6, 0x42
};

static const BYTE label = SYMCRYPT_SSHKDF_ENCRYPTION_KEY_CLIENT_TO_SERVER;

static const BYTE pbResult[] =
{
    0x4a, 0x63, 0x14, 0xd2, 0xf7, 0x51, 0x1b, 0xf8, 0x8f, 0xad, 0x39, 0xfb, 0x68, 0x92, 0xf3, 0xf2, 0x18, 0xca, 0xfd, 0x53, 0x0e, 0x72, 0xfe, 0x43
};

VOID
SYMCRYPT_CALL
SymCryptSshKdfSha256SelfTest(void)
{
    SYMCRYPT_SSHKDF_EXPANDED_KEY expandedKey;
    SYMCRYPT_ALIGN BYTE rbResult[sizeof(pbResult)];

    SymCryptSshKdfExpandKey(&expandedKey, SymCryptSha256Algorithm, pbKey, sizeof(pbKey));

    SymCryptSshKdfDerive(&expandedKey,
                        pbHash, sizeof(pbHash),
                        label,
                        pbSessionId, sizeof(pbSessionId),
                        rbResult, sizeof(rbResult)
                        );

    SymCryptInjectError(rbResult, sizeof(rbResult));

    if (memcmp(rbResult, pbResult, sizeof(pbResult)) != 0)
    {
        SymCryptFatal('sshk');
    }
}