+3.8 Requirements for Confirmation Codes

3.8 Requirements for Confirmation Codes

This section includes requirements for CSPs that support the use of confirmation codes.

Confirmation codes are used to confirm that an applicant has access to a postal address, email address, or phone number for the purposes of future communications. Confirmation codes delivered to a postal or phone address can also be used as an identity verification option at IALs 1 and 2, as described in Sec. 4.1.6 and Sec. 4.2.6.

Confirmation codes used for these purposes SHALL include at least 6 decimal digits (or equivalent) from an approved random bit generator (see Sec. 3.2.12 of [SP800-63B]). The confirmation code may be presented as numeric or printable ASCII representation for manual entry, a secure (e.g., https) link containing a representation of the confirmation code, or a machine-readable optical label (e.g., QR code) that contains the confirmation code.

Confirmation codes SHALL be valid for at most:

21 days when sent to a validated postal address within the contiguous United States
30 days when sent to a validated postal address outside of the contiguous United States
10 minutes when sent to a validated telephone number (SMS or voice)
24 hours when sent to a validated email address

Upon its use, the CSP SHALL invalidate the confirmation code.

1. Ħarsa ġenerali

Titlu Standard

1.1 Referenzi

1.2 Rekwiżiti identifikati

1.3 Regolamenti relatati

2. Rekwiżiti identifikati

Rekwiżiti
Sors Rekwiżit

3. Regolamenti relatati

Regolamenti
Sors Regolamentazzjoni
  • NIST -

    EN: Publications of the National Institute of Standards and Technology (NIST), U.S. Department of Commerce, https://www.nist.gov/, from their electronic versions (OSCAL; SP 800-63-4 from its HTML version, https://pages.nist.gov/800-63-4/). Works of NIST employees are not subject to copyright protection in the United States (17 U.S.C. § 105); the OSCAL content is dedicated to the public domain worldwide (CC0 1.0); outside the United States NIST grants the right to reprint its technical series publications in all formats (NIST copyright statement). Republished courtesy of the National Institute of Standards and Technology; each document names its citation. Divided into sections and converted into the GRCA format, the wording unchanged. Only the versions published by NIST are authoritative.

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