# ICAO's Visible Digital Seal

#### Proof of Vaccination

Name |
DoB |
Sex |
ID |
Other ID |
UVCI |

#### Vaccine Info

Prophylaxis |
Brand |
Disease |
Date |
Dose # |
Country |
Centre |
Lot # |
Next |

#### Proof of Testing

Name |
DoB |
DocType |
DocNumber |
UTCI |

#### Service Center

Name |
Country |
Phone |
Email |
Address |
Date Colect |
Date Result |
Test Type |
Result |
Collec Method |
Optional |

#### CRED Credentials

Private Key
-----BEGIN EC PARAMETERS----- BgUrgQQACg== -----END EC PARAMETERS----- -----BEGIN EC PRIVATE KEY----- MHQCAQEEIPWKbSezZMY1gCpvN42yaVv76Lo47FvSsVZpQl0a5lWRoAcGBSuBBAAK oUQDQgAE6DeIun4EgMBLUmbtjQw7DilMJ82YIvOR2jz/IK0R/F7/zXY1z+gqvFXf DcJqR5clbAYlO9lHmvb4lsPLZHjugQ== -----END EC PRIVATE KEY-----
Public Key
1A9.PCF.PW

#### EU HC1 Credentials

P8 Private Key
-----BEGIN PRIVATE KEY----- MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgZgp3uylFeCIIXozb ZkCkSNr4DcLDxplZ1ax/u7ndXqahRANCAARkJeqyO85dyR+UrQ5Ey8EdgLyf9Nts CrwORAj6T68/elL19aoISQDbzaNYJjdD77XdHtd+nFGTQVpB88wPTwgb -----END PRIVATE KEY-----
Public kID
Rjene8QvRwA=
PublicKey Certificate
-----BEGIN CERTIFICATE----- MIIBYDCCAQYCEQCAG8uscdLb0ppaneNN5sB7MAoGCCqGSM49BAMCMDIxIzAhBgNV BAMMGk5hdGlvbmFsIENTQ0Egb2YgRnJpZXNsYW5kMQswCQYDVQQGEwJGUjAeFw0y MTA0MjcyMDQ3MDVaFw0yNjAzMTIyMDQ3MDVaMDYxJzAlBgNVBAMMHkRTQyBudW1i ZXIgd29ya2VyIG9mIEZyaWVzbGFuZDELMAkGA1UEBhMCRlIwWTATBgcqhkjOPQIB BggqhkjOPQMBBwNCAARkJeqyO85dyR+UrQ5Ey8EdgLyf9NtsCrwORAj6T68/elL1 9aoISQDbzaNYJjdD77XdHtd+nFGTQVpB88wPTwgbMAoGCCqGSM49BAMCA0gAMEUC IQDvDacGFQO3tuATpoqf40CBv09nfglL3wh5wBwA1uA7lAIgZ4sOK2iaaTsFNqEN AF7zi+d862ePRQ9Lwymr7XfwVm0= -----END CERTIFICATE-----

## PathCheck CRED-style URI

#### Immunization QR

#### PDF 417 Format

#### Test QR

#### PDF 417 Format

Verify a QR Code

## Original ICAO Model

#### Immunization QR

#### PDF 417 Format

#### Test QR

#### PDF 417 Format

## Using HC1 EU Model

#### Immunization QR

#### PDF 417 Format

#### Test QR

#### PDF 417 Format

## Comparison Tables

#### URI Size (in A/N bytes and in chars) and Time (in milliseconds)

#### Immunization QR

Tech | URI Bytes | URI Chars | Sign Time | Verify Time
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### Test QR

Tech | URI Bytes | URI Chars | Sign Time | Verify Time
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### QR Size in Bytes (bits * bits / 8)

#### Immunization QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### Test QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### QR Size (bits x bits)

#### Immunization QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### Test QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### Minimum Printed Size (in millimiters at 150 DPI)

#### Immunization QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### Test QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### Minimum Printed Size (in millimiters at 300 DPI)

#### Immunization QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

#### Test QR

Tech | ECC 7% | ECC 15% | ECC 25% | ECC 30%
--- | --- | --- | --- | ---
CRED |  |  |  |
ICAO |  |  |  |
HC1 |  |  |  |

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