Meaning
Authentication methods verify identity and intent without using cryptographic public key infrastructure. Technical and procedural substitutes for formal digital certificates provide proof of origin and agreement in electronic transactions. These digital signature alternatives include typed names, scanned handwritten marks, unique identifier codes, and biometric data.
This metadata provides a circumstantial link between the digital mark and the individual who performed the action.
Verification Method
Audit trails capture the IP address and the login credentials used during the signing process. While a cryptographic hash offers high security, these digital signature alternatives rely on a chain of circumstantial evidence to prove that the person named is the person who performed the action.
Practical Application
Adoption of these methods often follows a need for speed or ease of use in high volume environments. Records of digital signature alternatives cost less to generate than formal certificates but require more detailed logging of the surrounding context to survive a challenge in a formal inquiry.
Legal Standing
Statutes in many jurisdictions recognize non-cryptographic marks as binding provided the intent is clear. The effectiveness of digital signature alternatives depends on the ability of the system to demonstrate that the document has not been modified since the mark was applied.