In the past, browsers needed to have "export-grade cryptography", because the USA considered ciphers a weapon, thus subject to export rescriction. And this ende

In the past, browsers needed to have "export-grade cryptography", because the USA considered ciphers a weapon, thus subject to export rescriction. And this ended up playing a crucial role in downgrade attacks later on. So I would say yes, they already had to handle a similar situation in the past.