Sha256: 704b9565b3d2c64db8ba12e2a8c0992ce384f61574b037fd78c481945df148c5
Contents?: true
Size: 1.09 KB
Versions: 10
Compression:
Stored size: 1.09 KB
Contents
class ::ECDSA::Signature
# convert signature to der string.
def to_der
ECDSA::Format::SignatureDerString.encode(self)
end
end
class ::ECDSA::Point
def to_hex(compression = true)
ECDSA::Format::PointOctetString.encode(self, compression: compression).bth
end
end
module ::ECDSA::Format::PointOctetString
def self.decode(string, group, allow_hybrid: false)
string = string.dup.force_encoding('BINARY')
raise ECDSA::Format::DecodeError, 'Point octet string is empty.' if string.empty?
case string[0].ord
when 0
check_length string, 1
return group.infinity
when 2
decode_compressed string, group, 0
when 3
decode_compressed string, group, 1
when 4
decode_uncompressed string, group
when 6..7
unless allow_hybrid
raise ECDSA::Format::DecodeError, 'Unrecognized start byte for point octet string: 0x%x' % string[0].ord
end
decode_uncompressed string, group if allow_hybrid
else
raise ECDSA::Format::DecodeError, 'Unrecognized start byte for point octet string: 0x%x' % string[0].ord
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems