Create a Digital Signature Certificate with signNow

Award-winning eSignature solution

What a digital signature certificate does

A digital signature certificate is a trusted digital credential that links a signer’s identity to a cryptographic key pair. In practice, it helps prove who signed a document and whether the file changed after signing. The certificate is issued by a certificate authority and used with public key infrastructure, or PKI. When a document is signed, software creates a hash, encrypts it with the signer’s private key, and lets others verify it with the public key and certificate chain.

Why certificate-based signing matters

It helps organizations reduce disputes, speed approvals, and preserve evidence of signer intent. Under ESIGN and UETA, properly executed electronic signatures can be legally enforceable in the U.S., and certificate-backed workflows strengthen attribution, integrity, and recordkeeping.

Why teams look for DocuSign alternatives

Common certificate signing issues

Users often confuse a drawn signature with a certificate-backed digital signature, which can create inconsistent security and verification levels.
Expired or revoked certificates can interrupt validation and make older signed files harder to trust without long-term validation data.
Weak authentication, such as shared inbox access, can undermine attribution when a signer later disputes the record.
Poor retention or missing audit logs can leave teams without enough evidence for ESIGN, UETA, HIPAA, or internal review.

Healthcare

Healthcare teams use certificate-backed signing for consent forms, authorizations, and records that may contain PHI.

Real estate

Real estate and finance teams use it for leases, disclosures, approvals, and identity-sensitive agreements.

Teams that benefit most

Operations leaders at firms like Tech Data use signNow to move internal and external approvals faster while keeping documents traceable across departments and systems.
NetSuite operations teams, such as Xerox’s, use signNow to route the right signatures to the right documents in the right format through integrated workflows.

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Identity binding

Certificate-backed identity links each signature to a verified signer and a cryptographic key pair, which strengthens attribution and reduces disputes over authorship.

Tamper evidence

Tamper-evident sealing detects post-signing changes, so recipients can see whether the document stayed intact after execution.

Audit trail

Audit trail records signer actions, timestamps, and delivery events, giving reviewers a clear history of the signing process.

PKI checks

PKI verification checks the certificate chain, revocation status, and public key trust before accepting the signed file.

LTV support

Long-term validation helps preserve signature trust after certificate expiration by retaining revocation and timestamp evidence.

Mobile access

Mobile signing works on phones and tablets, so signers can complete certificate-based workflows without desktop-only dependencies.

Integrations that fit signing workflows

Connected systems move signed documents into the tools teams already use, reducing manual uploads, duplicate entry, and approval delays.

How certificate signing works

The signing flow follows a short cryptographic sequence that ties identity, document integrity, and verification together.

Authenticate: The signer opens the document and confirms identity.
Hash document: The system creates a hash of the file.
Sign digitally: The private key signs the hash.
Verify result: Recipients verify the certificate and integrity status.

Quick setup steps

A short setup path helps teams prepare a certificate-based signing workflow without adding unnecessary complexity.

Prepare file:
Choose the document and prepare the fields.
Assign signer:
Add the signer and set the order.
Set security:
Select certificate-based signing and authentication.
Send:
Send the document for signature.
Archive:
Store the completed file and audit trail.

Setting	Recommendation
Authentication method	SMS OTP with ID verification
Signature type	Digital signature certificate
Audit trail	Full event log with timestamps
Document retention	6 years for HIPAA records
Encryption	TLS 1.2/1.3 and AES-256

Browser and device requirements

Certificate-based signing works across major desktop browsers and mobile devices when users have a secure internet connection and current app support.

Desktop browsers Chrome, Firefox, Safari, and Edge on Windows and macOS.
Mobile devices iOS and Android mobile apps support signing on phones and tablets.
Connection security TLS 1.2 or TLS 1.3 is required for secure access.

For regulated deployments, managed Windows or macOS devices, current Chrome, Firefox, Safari, or Edge browsers, and controlled mobile access help maintain consistent signing behavior. API access, SSO provisioning, and certificate validation settings may also matter for enterprise rollouts.

Security and compliance snapshot

Transport security:

TLS 1.2/1.3 protects data in transit.

Storage encryption:

AES-256 protects stored data.

SOC 2 Type II:

SOC 2 Type II report available.

ISO 27001:

ISO 27001 certified environment.

HIPAA:

HIPAA support with BAA.

Global compliance:

GDPR and eIDAS aligned controls.

NetSuite operations

A NetSuite operations leader needed cleaner routing for document approvals across departments.

Xerox used signNow with NetSuite integration.
Right signatures reached the right documents.

The workflow reduced manual routing and kept signature placement aligned with document format and system rules, which supported faster processing and clearer accountability across teams.

Real estate operations

A founder managing property documents needed online execution with traceable records and mobile access.

Martin Properties used signNow for remote execution.
Mobile and offline access supported field work.

The team completed documents online with built-in security and compliance-focused recordkeeping, which helped reduce paper handling and kept transactions moving when signers were away from the office.

Practical setup habits

Good signing practices focus on identity, evidence, retention, and access control rather than speed alone.

Match authentication to risk

Use stronger identity checks for agreements that may later be reviewed in disputes, audits, or regulated workflows. Pair certificate-based signing with SMS OTP, ID verification, or other methods that match the document’s risk level.

Preserve the full record

Keep the audit trail complete and readable. Preserve timestamps, signer details, delivery events, and document hashes so reviewers can reconstruct the signing sequence without relying on memory or separate email threads.

Define retention early

Set retention rules before sending regulated documents. HIPAA records, for example, need a 6-year retention period under 45 CFR 164.530(j)(2), and the storage policy should match that requirement.

Restrict access by role

Limit signing access to named users and approved roles. Clear provisioning reduces accidental signing, protects PHI and other sensitive records, and makes it easier to show who had access at each step.

Day 1:

Set up the workflow, users, and document templates.

Day 2:

Send the first document and confirm signer routing.

Week 1:

Onboard the team and review audit trail output.

7-day trial:

signNow offers a 7-day free trial with no credit card.

HIPAA retention:

Keep signed records for 6 years under 45 CFR 164.530(j)(2).

Business plan:

Annual pricing starts at $8/user/mo.

Business Premium:

Bulk send is included at $15/user/mo annual.

Enterprise tier:

Advanced signer authentication starts at $30/user/mo annual.

Risks of improper use

Poor attribution

May weaken enforceability.

Missing audit trail

May fail audit review.

No BAA

May trigger HIPAA issues.

Expired certificate

May lose revocation proof.

Weak controls

May create Part 11 gaps.

Signer authentication:

Verifies the signer before the signature event.

Timestamp capture:

Records the action time in UTC.

Document hashing:

Creates a hash of the signed file.

Tamper-evident sealing:

Locks the record against later changes.

Audit log storage:

Stores the event history with the file.

Trail retrieval:

Exports the trail for review or evidence.

signNow	DocuSign	Adobe Sign	PandaDoc
ESIGN and UETA	Yes	Yes	Yes
Audit trails	Yes	Yes	Yes
Starting price	$8/user/mo	$15/user/mo	$14/user/mo
Free trial	7-day trial	Not verified	Not verified
Envelope cap	No cap	100/year	Not verified

	Plan / Feature	signNow	DocuSign	Adobe Sign	PandaDoc
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 required	BAA available	BAA available	Not verified	Not verified

FAQ for certificate signing

These answers focus on plan limits, compliance needs, and verification issues that arise in certificate-based signing workflows.

signNow Business starts at $8/user/mo billed annually and includes audit trails, templates, and mobile apps. If you need bulk send, Business Premium adds it. For HIPAA workflows, a BAA is required, and the platform supports ESIGN and UETA compliance.

A certificate validation error usually means the certificate chain, revocation status, or timestamp data is incomplete. signNow audit trails help preserve signer events, and long-term validation practices such as PAdES LTV can support later verification after certificate expiration.

If a signer disputes authorship, attribution depends on the identity method, audit trail, and consent record. Under ESIGN and UETA, the signature must be attributable to the person, so use stronger authentication and keep the full signing history.

If your team needs bulk sending, that feature is included in Business Premium. The Business plan covers legally binding eSignatures, audit trails, templates, and mobile apps, but not bulk send.

For healthcare records, HIPAA retention is 6 years from the date of creation or the last effective date, whichever is later, under 45 CFR 164.530(j)(2). Keep the signed file and audit trail together for review and retention.

If a document must meet 21 CFR Part 11, use unique user IDs, two-component signatures, secure audit trails, and documented validation. signNow supports regulated workflows, but the process must still match your FDA record requirements.

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