http - JWT 声明名称是否区分大小写？

Question

简单问题:

是以下负载:

{
    "aud": ["aud1", "aud2"]
}

相当于:?

{
    "AUD": ["aud1", "aud2"]
}

Answer 1

根据specification in RFC7519声明名称区分大小写:

Claim Name:The name requested (e.g., "iss"). ... This name iscase sensitive. Names may not match other registered names in acase-insensitive manner unless the Designated Experts state thatthere is a compelling reason to allow an exception.