CertType

tor_cert

Struct CertType 

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pub struct CertType(/* private fields */);
Expand description

Recognized values for Tor’s certificate type field.

In the names used here, “X_V_Y” means “key X verifying key Y”, whereas “X_CC_Y” means “key X cross-certifying key Y”. In both cases, X is the key that is doing the signing, and Y is the key or object that is getting signed.

Not every one of these types is valid for an Ed25519 certificate. Some are for X.509 certs in a CERTS cell; some are for RSA->Ed crosscerts in a CERTS cell.

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impl CertType

TLS link key, signed with RSA identity. X.509 format. (Obsolete)

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pub const RSA_ID_X509: CertType

Self-signed RSA identity certificate. X.509 format. (Legacy)

RSA lnk authentication key signed with RSA identity key. X.509 format. (Obsolete)

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pub const IDENTITY_V_SIGNING: CertType

Identity verifying a signing key, directly.

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pub const SIGNING_V_TLS_CERT: CertType

Signing key verifying a TLS certificate by digest.

Signing key verifying a link authentication key.

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pub const RSA_ID_V_IDENTITY: CertType

RSA identity key certifying an Ed25519 identity key. RSA crosscert format. (Legacy)

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pub const HS_BLINDED_ID_V_SIGNING: CertType

For onion services: short-term descriptor signing key (KP_hs_desc_sign), signed with blinded onion service identity (KP_hs_blind_id).

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pub const HS_IP_V_SIGNING: CertType

For onion services: Introduction point authentication key (KP_hs_ipt_sid), signed with short term descriptor signing key (KP_hs_desc_sign).

This one is, sadly, a bit complicated. In the original specification it was meant to be a cross-certificate, where the signature would be on the descriptor signing key, signed with the intro TID key. But we got it backwards in the C Tor implementation, and now, for compatibility, we are stuck doing it backwards in the future.

If we find in the future that it is actually important to cross-certify these keys (as originally intended), then we should add a new certificate type, and put the new certificate in the onion service descriptor.

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pub const NTOR_CC_IDENTITY: CertType

An ntor key converted to a ed25519 key, cross-certifying an identity key.

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pub const HS_IP_CC_SIGNING: CertType

For onion services: Ntor encryption key (KP_hss_ntor), converted to ed25519, signed with the descriptor signing key (KP_hs_desc_sign).

As with HS_IP_V_SIGNING, this certificate type is backwards. In the original specification it was meant to be a cross certificate, with the signing and signed keys reversed.

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pub const FAMILY_V_IDENTITY: CertType

For relays: family key certifying membership of a relay by signing its identity.

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pub fn is_recognized(self) -> bool

Return true if this value is one that we recognize.

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pub fn from_name(name: &str) -> Option<Self>

Try to convert this value from one of the recognized names.

Trait Implementations§

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impl Clone for CertType

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fn clone(&self) -> CertType

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for CertType

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for CertType

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<CertType> for u8

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fn from(val: CertType) -> u8

Converts to this type from the input type.
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impl From<u8> for CertType

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fn from(num: u8) -> CertType

Converts to this type from the input type.
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impl PartialEq for CertType

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fn eq(&self, other: &CertType) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for CertType

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impl Eq for CertType

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impl StructuralPartialEq for CertType

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Checks if this value is equivalent to the given key. Read more
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Size: 1 byte