2.2.5.20 Phase 2 Suite - ESP Protocol Hash Algorithm
Keys: Software\Policies\...\Phase2CryptoSets\<wszSetId>\<SuiteIndex>.
Value: "EspHash"
Type: REG_SZ.
Size: Equal to size of the Data field.
Data: this value is a Unicode string encoded using the HASH-VAL grammar rule defined in section 2.2.5.12.
This value represents the EspHash field of the FW_PHASE2_CRYPTO_SUITE structure as defined in [MS-FASP] section 2.2.71.