# nitro-cli describe-eif


Describes the specified enclave image file (`.eif`). The output is a static description of the enclave image file that includes the enclave image file version, build measurements, signing certificate information, the result of the CRC and signature check, and the metadata added at build time.

## Syntax


```
nitro-cli describe-eif 
    --eif-path path_to_enclave_image_file
```

## Options


**`--eif-path`**  
The path to the enclave image file.  
Type: String  
Required: Yes

## Output


**`Measurements`**  
The cryptographic measurements (SHA384 hashes) that are unique to the enclave image file.  
Type: String

## Example


The following example describes an enclave image file named `sample.eif`.

**Command**

```
nitro-cli describe-eif --eif-path image.eif
```

**Output**

```
{
  "Measurements": {
    "HashAlgorithm": "Sha384 { ... }",
    "PCR0": "EXAMPLE59044e337c00068c2c033546641e37aa466b853ca486dd149f641f15071961db2a0827beccea9cade3EXAMPLE",
    "PCR1": "EXAMPLE7783d0c23167299fbe5a69622490a9bdf82e94a0a1a48b0e7c56130c0c1e6555de7c0aa3d7901fbc58EXAMPLE",
    "PCR2": "EXAMPLE4b51589e8374b7f695b4649d1f1e9b528b05ab75a49f9a0a4a1ec36be81280caab0486f660b9207ac0EXAMPLE"
  }
}
```