2023-11-17 2024-07-12 Specification Required Tommy Pauly, Chris Wood 0x0000 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x0001 VOPRF(P-384, SHA-384) As defined in Section 2.2 of . Serialized using SerializeElement (Section 2.1 of ). As defined in Section 2.1 of . N N N 48 32 IETF RFC9578, Section 5 0x0002 Blind RSA (2048-bit) As defined in Section 2.2 of . Serialized as a DER-encoded SubjectPublicKeyInfo (SPKI) object using the RSASSA-PSS OID . As defined in Section 2.1 of . Y N N 256 32 IETF RFC9578, Section 6 The RSABSSA-SHA384-PSS-Deterministic and RSABSSA-SHA384-PSSZERO-Deterministic variants are supported. 0x0003-0x02A9 Unassigned 0x02AA RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x02AB-0x1131 Unassigned 0x1132 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x1133-0x2E95 Unassigned 0x2E96 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x2E97-0x3CD2 Unassigned 0x3CD3 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x3CD4-0x4472 Unassigned 0x4473 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x4474-0x5A62 Unassigned 0x5A63 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x5A64-0x6D31 Unassigned 0x6D32 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x6D33-0x7F3E Unassigned 0x7F3F RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x7F40-0x8D06 Unassigned 0x8D07 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x8D08-0x916A Unassigned 0x916B RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0x916C-0xA6A3 Unassigned 0xA6A4 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0xA6A5-0xBEAA Unassigned 0xBEAB RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0xBEAC-0xC3F2 Unassigned 0xC3F3 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0xC3F4-0xDA41 Unassigned 0xDA42 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0xDA43-0xE943 Unassigned 0xE944 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0xE945-0xF056 Unassigned 0xF057 RESERVED Random bytes Random bytes Random bytes N/A N/A N/A N/A N/A IETF 0xF058-0xFFFF Unassigned