Type Alias ring_compat::signature::ecdsa::der::MaxOverhead

source · 
pub type MaxOverhead = UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B1>;
Available on crate features signature and der only.
Expand description

Maximum overhead of an ASN.1 DER-encoded ECDSA signature for a given curve: 9-bytes.

Includes 3-byte ASN.1 DER header:

  • 1-byte: ASN.1 SEQUENCE tag (0x30)
  • 2-byte: length

…followed by two ASN.1 INTEGER values, which each have a header whose maximum length is the following:

  • 1-byte: ASN.1 INTEGER tag (0x02)
  • 1-byte: length
  • 1-byte: zero to indicate value is positive (INTEGER is signed)

Aliased Type§

struct MaxOverhead { /* private fields */ }