FIPS 186-5 Digital Signature Standard for SignNow
Award-winning eSignature solution
What FIPS 186-5 means for digital signatures
FIPS 186-5 is the current U.S. Digital Signature Standard. It defines approved algorithms for creating and verifying digital signatures, including RSA, ECDSA, and EdDSA, while disallowing DSA for new signatures. In practice, it gives federal and regulated workflows a clear cryptographic rule set for identity, integrity, and non-repudiation. SignNow supports U.S. business signing workflows with audit trails, signer authentication, and record controls that help teams keep documents defensible under ESIGN and UETA.
Why this standard matters
FIPS 186-5 matters because it gives U.S. organizations a current federal standard for digital signatures, while SignNow provides the audit trails, authentication options, and record handling needed to support ESIGN and UETA enforceability in everyday business transactions.
Certificates and signer identity
Digital certificates:
Certificate format:
Two-factor sign-in:
Higher assurance:
Validity status:
Revocation methods:
Best practices for controlled signing
A controlled signing process is easier to defend when templates, permissions, consent, and retention all point to the same recordkeeping policy.
Standardize recurring templates
Set role boundaries
Document signer consent
Align controls to record type
Recommended workflow settings
Use a settings profile that matches the document type, the signer risk level, and the retention rule that applies to the record.
| Setting | Recommendation |
|---|---|
| Authentication method | SMS OTP or ID verification |
| Signature type | Digital signature with audit trail |
| Audit trail | Enabled for every transaction |
| Document retention | 6 years (HIPAA 45 CFR 164.530(j)(2)) |
| Encryption | AES-256 at rest |
Best ROI. Our customers achieve an average 7x ROI within the first six months.
Scales with your use cases. From SMBs to mid-market, airSlate SignNow delivers results for businesses of all sizes.
Intuitive UI and API. Sign and send documents from your apps in minutes.
How the signing flow works
The signing process follows a clear sequence from request to completion, with each event captured in the transaction history.
Send request: The signer receives a request that points to the document and the required action. Verify identity: The signer verifies identity with the chosen authentication method before signing. Apply signature: The system applies the signature and records the event history. Store record: The completed file is stored with audit details for later review.
Quick setup steps
A short setup process helps teams send the right document, to the right signer, with the right record controls.
Prepare the file:
Upload or create the document, then place the fields needed for signature, initials, date, or approval. Send it:
Choose the signer order and send the request through the web app, mobile app, or link. Monitor responses:
Track the response and remind recipients only when the workflow needs a follow-up. Archive the record:
Save the completed file with its audit trail and retention copy.
Inside the audit trail
A strong audit trail records each step of the transaction, from identity checks to export, so the signed record stays defensible.
Authentication:
Timestamp:
Document hash:
Seal record:
Audit log:
Export:
Signing timeline
Most signing workflows move quickly once the document is prepared and the signer has the right access path.
Document prep
Delivery
Signer response
Archive and retain
Retention schedule for signed records
Different record types follow different retention rules, so the signed file and its policy basis should stay linked from completion through archive.
Federal tax records — 3 years
PHI records — 6 years
Broker-dealer records — 6 years
Security records — rule-based retention
Education records — policy-based retention
Sending and signing methods
- Use the web app when you need full document control, template routing, and desktop review. It fits office teams that prepare contracts, compliance forms, or approvals before sending them for signature.
- Use the mobile app when signers are in the field or away from a desk. SignNow mobile supports on-the-go review, signing, and document capture for iOS and Android workflows.
- Use kiosk mode when multiple people sign on a shared device, such as events, front desks, or intake stations. It keeps the workflow focused on one signing session at a time.
- Use shareable signing links when recipients are external and do not need a full account invitation. The link simplifies distribution while preserving the same signing record and audit history.
Business types that benefit most
Different organizations use the same signing standard in different ways, but the need for secure routing, retention, and proof of intent stays consistent.
Healthcare clinics use FIPS 186-5 aligned workflows for patient forms, consent records, and release authorizations that need HIPAA-aware handling and a durable audit trail across desktop and mobile devices. Construction firms use SignNow for bids, change orders, and site approvals when foremen and office staff need to sign quickly on shared tablets, phones, or through simple links. Legal and finance teams use controlled templates, delegated sending, and record tracking for NDAs, engagement letters, invoices, and approvals that need consistent routing and defensible signature evidence.
These tasks are executed by both individual contributors and centralized administrators depending on organizational policy and required controls.
User and permission management
A NetSuite operations leader can standardize approvals with shared templates, delegated sending, and admin controls, so every request follows the same routing rules while preserving audit visibility for downstream review. A compliance administrator can limit who edits templates, manages users, or sends from shared workspaces, which helps keep sensitive records aligned with retention, access, and authentication policies across departments.
Who uses this standard
Business teams
Real estate, healthcare, finance, and legal teams use FIPS 186-5 aligned signing to collect approvals, consents, and agreements with clear intent evidence, controlled access, and records that support ESIGN and UETA analysis.
Regulated sectors
Government, education, and regulated operations use the same workflows for forms that need identity checks, audit trails, and retention discipline, including records affected by HIPAA, FERPA, or agency policy.
Privacy and disclosure pitfalls
Signed PDFs can expose PHI, payroll data, or signatures when template fields contain extra personal information that the recipient does not need to see. Consent capture can break when users sign without a clear electronic delivery notice, which weakens the record under ESIGN and UETA expectations. Access control mistakes can let staff view completed agreements outside their role, creating disclosure risk for HR, healthcare, and finance files. Shared inboxes and unsecured downloads can spread signed documents beyond the intended workflow, making retention and later access reviews harder to defend.
Risks of weak signature controls
Weak attribution
Consent gap
Missing evidence
Policy mismatch
Vendor feature check
This comparison focuses on baseline signature capabilities that matter for FIPS 186-5 related workflows, legal defensibility, and regulated document handling.
| SignNow | DocuSign | Adobe Acrobat Sign | PandaDoc |
|---|---|---|---|
| Legally binding under ESIGN/UETA | Yes | Yes | Yes |
| Audit trail available | Included | Included | Included |
| Mobile signing apps | Yes | Yes | Yes |
| HIPAA support | BAA available | BAA available | BAA available |
Industry case examples
These industry examples show how faster execution and stronger records work together in real business settings.
Healthcare
A healthcare team needed secure patient intake and release forms without adding unnecessary complexity for staff or patients.
- John Butler, Founder of Fertility Centers of Illinois, praised the API and responsiveness.
The workflow supported mobile collection, conditional routing, and a cleaner record trail for forms tied to PHI, while keeping deployment manageable for staff who needed a straightforward process.
Distribution
A high-volume distribution company needed faster internal and external approvals tied to ERP and customer-service goals.
- Bob Dutkowsky, CEO of Tech Data, cited speed to revenue improvements.
The signing process became easier to fit into operational systems, which helped teams close documents faster while preserving the records needed for internal review and customer support.
Pricing and feature snapshot
Pricing data reflects verified annual-billing entries from 2026 sources, with feature availability shown only where the source confirms it.
| Features | Plan / Feature | SignNow | DocuSign | Adobe Sign | PandaDoc |
|---|---|---|---|---|---|
| Criteria | SignNow | DocuSign | Adobe Sign | PandaDoc | Dropbox Sign |
| Starting price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free trial | 7-day free trial | Not verified | Not verified | Not verified | Not verified |
| Bulk send | Yes, on Business Premium | Not verified | Not verified | Not verified | Not verified |
| Audit trail | Included | Included | Included | Included | Included |
| HIPAA compliance | BAA required | Not verified | Not verified | Not verified | Not verified |
Supported platforms and browsers
SignNow works in current Chrome, Firefox, Safari, and Edge browsers on desktop, with secure connections over TLS 1.2 and TLS 1.3 for signed document workflows and account access.
Desktop browsers Chrome, Firefox, Edge Operating systems Windows 11, macOS Mobile platforms iOS, Android
Windows, macOS, iOS, and Android support standard signing tasks, while enterprise deployments may add SSO, API access, and managed-device controls. For regulated workflows, browser choice matters less than session security, access policies, and retention settings that preserve the signing record.
Key features in practice
These features describe how SignNow helps teams keep the signing process organized, secure, and easier to verify later.
Unified workflow
Use one signing process across web, mobile, and link-based workflows while preserving the same audit history and completion record. That consistency helps teams support ESIGN and UETA requirements without changing their document flow for every channel.
Signer identity
Capture signer identity with options that fit the risk level of the document, from SMS OTP to higher assurance ID verification. The result is a clearer record of who signed and how the signer was authenticated.
Audit history
Keep each completed file tied to timestamps, action history, and document status so the signed record is easier to review later. That matters when teams need a defensible transaction history for compliance or dispute review.
Record retention
Apply retention and archive controls that keep signed records usable over time. When a record must stay available for PHI, tax, or contract review, encrypted storage and exportable history reduce the chance of loss or accidental deletion.
Role controls
Route documents through templates, delegated senders, and shared permissions so the right people touch the right record. This lowers routing errors in teams that handle recurring forms, approvals, or regulated files.
System integrations
Connect signing data with CRM, ERP, cloud storage, and project systems to reduce duplicate entry. That makes approvals easier to track in systems such as Salesforce, NetSuite, Google Workspace, AWS, Box, and Procore.
FAQ and troubleshooting
These answers focus on plan limits, compliance requirements, and workflow settings that affect how FIPS 186-5 related documents are handled in SignNow.
Use the free 7-day trial or a paid Business plan if you need templates, mobile apps, and standard audit trails. The Business plan starts at $8/user/month billed annually, and all paid plans include unlimited users.
For healthcare records, SignNow can be used with HIPAA controls when a BAA is in place. HIPAA requires unique user identification, audit controls, integrity protection, and retention of signed PHI records for 6 years under 45 CFR 164.530(j)(2).
If your document needs stronger signer assurance, use two-factor authentication, SMS OTP, or ID verification. SignNow’s Enterprise and Site License options support more advanced authentication and integrations for sensitive workflows.
If recipients cannot sign on desktop, the SignNow iOS and Android apps support mobile workflows. Current mobile signing works on iOS and Android devices, and field users can complete documents even when offline capture is needed.
If a completed file is hard to defend later, export the audit trail and store it with the signed PDF. The audit history should show signer activity, timestamps, and document events for ESIGN, UETA, and related review.
If you need volume or structured routing, the Business Premium plan includes bulk send and kiosk mode. Site License adds SSO and full API access for higher-control deployments.
Key performance indicators that demonstrate SignNow's proven track record.