One Time Password (OTP) Parameters
- Last Updated
- 2009-05-21
- Available Formats
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Registries included below
Algorithm Identifier
- Registration Procedure(s)
-
IESG Approval
- Reference
- [RFC2289]
- Note
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The syntax of the challenge is: otp-<algorithm identifier> <sequence integer> <seed> - Available Formats
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CSV
| Algorithm Identifier | Description | Reference |
|---|---|---|
| md4 | MD4 Message Digest | [RFC2289] |
| md5 | MD5 Message Digest | [RFC2289] |
| sha1 | NIST Secure Hash Algorithm Revision 1 | [RFC2289] |
Extension Set Identifiers
| Extension Set Id | Description | Reference |
|---|---|---|
| hex | hexadecimal number | [RFC2243] |
| init-hex | re-initialize using hexadecimal | [RFC2243] |
| init-word | re-initialize using six words | [RFC2243] |
| word | six dictionary words | [RFC2243] |