# Tag number; Tag ID; Applicable types (comma-separated); Semantics
0;DateTimeString;TextString;Standard date/time string
1;UnixTime_t;Integer;Epoch-based date/time
2;PositiveBignum;ByteString;Positive bignum
3;NegativeBignum;ByteString;Negative bignum
4;Decimal;Array;Decimal fraction
5;Bigfloat;Array;Bigfloat
16;COSE_Encrypt0;Array;COSE Single Recipient Encrypted Data Object (RFC 8152)
17;COSE_Mac0;Array;COSE Mac w/o Recipients Object (RFC 8152)
18;COSE_Sign1;Array;COSE Single Signer Data Object (RFC 8162)
21;ExpectedBase64url;ByteString,Array,Map;Expected conversion to base64url encoding
22;ExpectedBase64;ByteString,Array,Map;Expected conversion to base64 encoding
23;ExpectedBase16;ByteString,Array,Map;Expected conversion to base16 encoding
24;EncodedCbor;ByteString;Encoded CBOR data item
32;Url;TextString;URI
33;Base64url;TextString;base64url
34;Base64;TextString;base64
35;RegularExpression;TextString;Regular expression
36;MimeMessage;TextString;MIME message
96;COSE_Encrypt;Array;COSE Encrypted Data Object (RFC 8152)
97;COSE_Mac;Array;COSE MACed Data Object (RFC 8152)
98;COSE_Sign;Array;COSE Signed Data Object (RFC 8152)
55799;Signature;;Self-describe CBOR