psha1 (npm): P_SHA1 algorithm implemetation as defined in TLS Spec (rfc5246, 5.HMAC and the Pseudorandom Function)
Keywords: WS-Trust|PSHA1|P_SHA1|Computed Keys|Proof|Symmetric Keys|http://schemas.xmlsoap.org/ws/2005/02/trust/CK/PSHA1|http://docs.oasis-open.org/ws-sx/ws-trust/200512/CK/PSHA1|http://tools.ietf.org/html/rfc5246