Unique identifier - sha256 hash of RSA public key.
In case your RSA public key is:
-----BEGIN RSA PUBLIC KEY----- MIIBCAKCAQEAqJ3Dlr98UINtXajMv17KpW19rmM70czLM2FVmBo9WqkDAoA6dK6H Cta+wHWYEOSl8MrUNf7uAHQafl15HnWhqhrwXOv6rmSkrwindljJmptXd7XAgZ1n yFVMz2E0yrSX/KOX1Bak0ebJKxZD0upGl+j4tf5VMC3QJhr8Ns6O87tjOBqUqnN9 t6jUse7QdjP5KCHunaxXNUYyh6NIJ7rRCYhgABgNAWbALgztPgDU9kh83FVjOLDa xI1rL7U98ZlOAHTfC4zxr+77cY5dhQJq5lQuMHu5a46krQEcifVcE5H2ZCawL90L 0XFUO9BcbUAGx4rK10rPR686q+TmIXx9swIBAw== -----END RSA PUBLIC KEY-----
pubkeyhash is:
79800a4091dc9b84b99cd01ef720367e1b02b890b0bad84188a214b949d9dc1b