# China firm enables Iran's Hormuz tolls before US sanctions

> Shanghai tech firm restored Iran's oil toll website amid US sanctions warning.
- Title: China firm enables Iran's Hormuz tolls before US sanctions
- Summary: Shanghai tech firm restored Iran's oil toll website amid US sanctions warning. TrustAsia issued secure certificate to Iran's PGSA, allowing toll collection…
- Keywords: trustasia, pgsa, iran, us sanctions, strait of hormuz, ofac, irgc, certificate authority, digital security, oil tolls, iranian navy, treasury department
- Source: Fox News — https://foxnews.com/world/china-firm-gave-iran-lifeline-collect-hormuz-tolls-before-pulling-plug-amid-us-warning
- Author: Emma Bussey
- Published: 2026-08-23T00:00:00+00:00
- Read time: 1 min
- Topics: trustasia, pgsa, iran, us sanctions, strait of hormuz, ofac, irgc, certificate authority, digital security, oil tolls, iranian navy, treasury department
## Iran's oil toll system
Iran's sanctioned Persian Gulf Straits Authority regained secure online access for four days.

> Iran’s sanctioned Persian Gulf Straits Authority (PGSA) regained secure online access for four days
## Shanghai tech firm
Shanghai-based TrustAsia issued automated domain-validated certificate for iran.

> TrustAsia issued an automated domain-validated certificate
## US sanctions warning
US sanctions experts urged trustasia to review compliance before further services.

> Paner warned them to act before it is too late
## PGSA website disruption
PGSA website disrupted on aug 10 due to internet service issues.

> The PGSA first said its website was disrupted aug 10 because of the enemy's political influence on the internet service provision systems
## Certificate revocation
Trustasia revoked pgsa certificate after us sanctions list addition.

> NetBlocks CEO Alp Toker told fox news digital that the authority had lost its web security credentials after the entity was added to the us office of foreign assets control (ofac) sanctions list on may 27
## Security risks
Unencrypted connections risk data interception for shipping firms.

> The loss of standard ssl/tls certificates made the pgsa website inaccessible using standard browsers
## Temporary fix
PGSA website restored after six days using http protocol.

> The pgsa said six days later on aug 17 and in another post shared on x
## US sanctions threat
US warns chinese firms risk sanctions for iran services.

> The us has incredibly broad authority to impose sanctions on non-iranian companies that provide any sorts of services to sanctioned iranian companies
## Compliance review
Trustasia added pgsa domain to restricted list to prevent further issues.

> Trustasia said it added the entire pgsa.ir domain namespace to our restricted-issuance list to prevent further issuance or renewal
## Certificate withdrawal
Trustasia withdrew pgsa certificate on aug 21 at 12:15:25 utc.

> Toker confirmed the trustasia certificate's privilege had been withdrawn on aug 21 at 12:15:25 utc
## US response
US sanctioned 60 iran-linked entities amid oil tolls dispute.

> The united states on aug 24 had sanctioned nearly 60 iran-linked individuals, entities and vessels
## Iranian navy
Iranian navy uses strait of hormuz for oil toll collection.

> Iran's irgc extorts vessels transiting the strait of hormuz through the so-called persian gulf strait authority
## Digital security risk
Unencrypted connections risk data interception for shipping firms.

> The secure website will stop working in most browsers unless the owners can find a certificate authority willing to issue a new certificate
## US sanctions impact
US sanctions target chinese tech firms providing iran services.

> Paner warned that us authorities would have enforcement powers over such actions
## Key takeaway

TrustAsia issued secure certificate to Iran's PGSA, allowing toll collection before US sanctions threat.