src/mount_efs/__init__.py [2600:2620]:
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    canonical_request = create_canonical_request(
        public_key_hash, date, access_key_id, region, fs_id, session_token
    )
    string_to_sign = create_string_to_sign(canonical_request, date, region)
    signature = calculate_signature(string_to_sign, date, secret_access_key, region)
    efs_client_auth_str = "[ efs_client_auth ]"
    efs_client_auth_str += "\naccessKeyId = UTF8String:" + access_key_id
    efs_client_auth_str += "\nsignature = OCTETSTRING:" + signature
    efs_client_auth_str += "\nsigv4DateTime = UTCTIME:" + date.strftime(
        CERT_DATETIME_FORMAT
    )

    if session_token:
        efs_client_auth_str += "\nsessionToken = EXPLICIT:0,UTF8String:" + session_token

    return efs_client_auth_str


def efs_client_info_builder(client_info):
    efs_client_info_str = "[ efs_client_info ]"
    for key, value in client_info.items():
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src/watchdog/__init__.py [1852:1872]:
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    canonical_request = create_canonical_request(
        public_key_hash, date, access_key_id, region, fs_id, session_token
    )
    string_to_sign = create_string_to_sign(canonical_request, date, region)
    signature = calculate_signature(string_to_sign, date, secret_access_key, region)
    efs_client_auth_str = "[ efs_client_auth ]"
    efs_client_auth_str += "\naccessKeyId = UTF8String:" + access_key_id
    efs_client_auth_str += "\nsignature = OCTETSTRING:" + signature
    efs_client_auth_str += "\nsigv4DateTime = UTCTIME:" + date.strftime(
        CERT_DATETIME_FORMAT
    )

    if session_token:
        efs_client_auth_str += "\nsessionToken = EXPLICIT:0,UTF8String:" + session_token

    return efs_client_auth_str


def efs_client_info_builder(client_info):
    efs_client_info_str = "[ efs_client_info ]"
    for key, value in client_info.items():
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