## PdfDigitalSignatureHashAlgorithm

Utility class containing constants. Specifies digital hash algorithm used by digital signature.

## Values

| Name | Description |
| --- | --- |
| SHA_1 | SHA-1 hash algorithm. |
| SHA_256 | SHA-256 hash algorithm. |
| SHA_384 | SHA-384 hash algorithm. |
| SHA_512 | SHA-512 hash algorithm. |
| MD_5 | SHA-1 hash algorithm. |