Method __builtin.Nettle.Sign()->jwk_thumbprint()

Method jwk_thumbprint

string(8bit)|zero jwk_thumbprint(.Hash h)

Description

Generate a JOSE JWK Thumbprint of the object.

Parameter h

Hash algorithm to use.

Returns

Returns the thumbprint (ie hash of the public fields) on success, and 0 (zero) on failure (typically that the object isn't initialized properly, or that it isn't supported by JWK).

A typical use for this function is to generate a kid (key ID) value (cf RFC 7638 section 1.

See also

jwk(), RFC 7638