2.2.5.26 Phase 2 Suite - 2.1 ESP Hash Algorithm
Keys: Software\Policies\...\Phase2CryptoSets\<wszSetId>\<SuiteIndex>.
Value: "2_1EspHash"
Type: REG_SZ.
Size: Equal to size of the Data field.
Data: this value is a Unicode string encoded using the AH-ESP-HASH2-1-VAL grammar rule defined in section 2.2.5.25.
This value represents the EspHash field of the FW_PHASE2_CRYPTO_SUITE structure as defined in [MS-FASP] section 2.2.71. If this value appears in the suite key, then a SkipVersion value with a version of 0x0200 MUST be present.