Digital Signature Vs Encryption for SignNow
Award-winning eSignature solution
What digital signature vs encryption means
A digital signature proves who signed a document and whether it changed after signing, while encryption protects information from being read by unauthorized people. In practice, digital signatures use cryptography to bind a signer’s identity to the record, and encryption uses keys to scramble data in transit or at rest. For U.S. business use, the two serve different purposes: one supports authenticity and integrity, and the other supports confidentiality, often within the same workflow.
Why the distinction matters
Digital signature vs encryption matters because businesses need both proof of consent and protection of sensitive data. Under ESIGN and UETA, an electronic signature can be enforceable if intent and attribution are clear, while encryption helps protect records and reduce disclosure risk during storage and transfer.
Frequent implementation issues
Teams sometimes confuse confidentiality controls with signature validity, which leaves signed records protected but not clearly attributable. Weak authentication can make it harder to prove who actually signed, especially in remote or mobile workflows. Missing audit details can weaken evidence if a signature is challenged in court or during an internal review. Overlooking retention rules can create gaps for HIPAA, finance, or records-management obligations after signing is complete.
Who uses it and where
Real estate
Used for lease agreements, rental applications, and closing documents that need clear signer intent and record integrity.
Healthcare
Used for patient forms, consent records, and PHI workflows that need HIPAA safeguards and auditability.
People who rely on it
A director of NetSuite operations at Xerox uses signNow to route documents through NetSuite while keeping the right signatures on the right forms. The workflow helps teams manage approvals across systems without losing document control or traceability. The value is strongest when signature evidence and system records must stay aligned across departments and formats. A founder at Martin Properties uses signNow to execute documents online with built-in security and mobile access. Real estate teams benefit when lease packets, disclosures, and approvals move quickly between office and field, while the record still supports compliance, signer attribution, and later review if a transaction is questioned.
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.
Core features and business value
Digital signature vs encryption serves different compliance and workflow needs, but both help teams protect records, prove intent, and reduce manual handling.
Signer proof
Proves signer identity and document integrity, so teams can show who signed and whether the file changed afterward.
Data protection
Protects sensitive data in transit and at rest with encryption, reducing exposure during storage, sharing, and review.
Audit trail
Creates a time-stamped record of key actions, which helps support audits and dispute review.
Legal validity
Supports legally binding eSignatures under ESIGN and UETA when intent and attribution are captured correctly.
Mobile signing
Works across desktop and mobile workflows, so signers can complete documents without printing or scanning.
Controlled workflow
Fits regulated workflows with access controls, retention, and authentication options that support compliance requirements.
How the signing flow works
The signing process follows a clear sequence, from identity check to sealed record storage, so the final file can be reviewed later.
Open document: The signer opens the document and reviews the request. Verify signer: Identity is checked through the chosen authentication method. Sign and seal: The signature is applied and the record is sealed. Store record: The completed file is stored with its audit history.
Quick setup steps
Use a simple setup sequence to prepare the document, assign recipients, and send it for signature.
Prepare file:
Choose the document and set the signer order. Assign recipients:
Add the people who need to sign or approve. Set controls:
Select authentication and required fields. Send request:
Send the document and monitor completion status.
Recommended workflow settings
Use settings that match the document’s risk level, retention duty, and authentication needs.
| Setting | Recommendation |
|---|---|
| Authentication method | SMS OTP for standard approvals |
| Signature type | SES for routine contracts |
| Audit trail | Enable full event logging |
| Document retention | 6 years for HIPAA records |
| Encryption | TLS 1.2/1.3 and AES-256 |
Browser and device support
signNow works in modern browsers and mobile environments, with secure connections and support for desktop and mobile signing.
Desktop browsers Chrome, Firefox, Edge, and Safari Operating systems Windows, macOS, iOS, and Android Connection security TLS 1.2 or TLS 1.3
For managed deployments, teams should confirm browser policy, device access, and identity controls before rolling out signing workflows. Windows and macOS desktops, plus iOS and Android devices, cover most office and field use cases.
Security and compliance snapshot
Transport security:
Storage encryption:
Security certification:
Information security:
Healthcare compliance:
Signature legality:
Real-world use cases
Customer examples show how signNow fits operational workflows where speed, security, and document integrity all matter.
Enterprise operations
A NetSuite operations leader needed signatures to move through ERP-connected workflows without losing document context.
- Xerox used signNow with NetSuite integration.
- Right signatures reached the right documents.
The workflow kept approvals tied to the source system, which reduced manual routing and helped maintain document accuracy across formats and departments. That matters when signature evidence must stay connected to business records for audit and operational review.
Real estate
A real estate founder needed online execution with security, mobile access, and compliance for property documents.
- Martin Properties processed documents online.
- Mobile and offline access helped execution.
The result was faster document turnaround with a record that supported compliance and later review. Real estate teams benefit when leases, disclosures, and approvals can move without in-person meetings, while the signed file still preserves integrity and signer attribution.
Practical operating practices
Good practice starts with matching controls to document risk, then keeping evidence, retention, and access rules consistent across the workflow.
Match authentication to risk
Treat encryption and signatures separately
Set retention by record type
Preserve complete audit evidence
Rollout and retention timeline
This timeline combines rollout milestones with retention and policy facts that affect document handling after signature.
Day 1:
Day 2:
Week 1:
Week 2:
HIPAA retention:
Part 11 records:
Free trial:
UETA adoption:
Risks of poor implementation
Attribution gap
Missing trail
Retention failure
Privacy breach
What the audit trail records
The audit trail captures identity, timing, integrity, and retrieval details that help verify the signed record later.
Signer authentication:
Timestamp capture:
Document hashing:
Tamper-evident sealing:
Audit record storage:
Trail export:
Vendor comparison snapshot
The table below compares core availability and pricing signals across leading eSignature vendors using verified data where available.
| signNow | DocuSign | Adobe Sign | PandaDoc |
|---|---|---|---|
| ESIGN and UETA | Yes | Yes | Yes |
| Starting price | $8/user/mo | $15/user/mo | $14/user/mo |
| Free trial | 7-day trial | Not verified | Not verified |
| Audit trail | Yes | Yes | Yes |
| HIPAA support | BAA available | BAA available | BAA available |
Pricing and plan comparison
Pricing reflects verified annual-billing entry tiers and plan features where the source data is available.
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free trial | 7 days | Not verified | Not verified | Not verified | Not verified |
| Bulk send | Yes, Business Premium | Not verified | Not verified | Yes | Not verified |
| Audit trail | Included | Included | Included | Included | Included |
| HIPAA compliance | BAA available | BAA available | BAA available | Not verified | Not verified |
FAQ and troubleshooting
These answers focus on plan limits, compliance needs, and evidence questions that come up when teams compare digital signature vs encryption.
signNow Business includes audit trails, templates, and mobile apps. If a document needs HIPAA handling, use a BAA and confirm the workflow meets 45 CFR 164.312 controls before sending.
signNow supports ESIGN and UETA-aligned eSignatures. If a signer disputes intent, review the audit trail, authentication method, and document history to show attribution and signing context.
For 21 CFR Part 11 workflows, use stronger access controls, time-stamped audit trails, and unique user identification. signNow’s enterprise setup can support regulated records when validation and procedures are documented.
If bulk sending is required, the Business Premium plan includes bulk send. The Business plan does not list that feature in the verified pricing data.
If a signed PDF must remain verifiable later, use the audit trail and retain the completed file with its history. For long-term validation needs, preserve certificate status data and timestamps where applicable.
If a workflow needs stronger identity proof, use SMS OTP, ID verification, or another higher-assurance method. Knowledge-based authentication is weaker and less suitable for sensitive transactions.
Key performance indicators that demonstrate SignNow's proven track record.