Add SRP (RFC2945/RFC5054) and J-PAKE (RFC8236) to Cryptography Registry (#792)

Adds SRP and J-PAKE to the cryptography registry with RFC references and
variant patterns for finite-field and elliptic-curve settings.

Closes #791

Author: stevespringett

schema/cryptography-defs.json

@@ -237,6 +237,48 @@
         }
       ]
     },
+    {
+      "family": "SRP",
+      "standard": [
+        {
+          "name": "RFC2945",
+          "url": "https://doi.org/10.17487/RFC2945"
+        },
+        {
+          "name": "RFC5054",
+          "url": "https://doi.org/10.17487/RFC5054"
+        }
+      ],
+      "variant": [
+        {
+          "pattern": "SRP-3[-{hashFunction}][-{namedGroup}]",
+          "primitive": "key-agree"
+        },
+        {
+          "pattern": "SRP-6[-{hashFunction}][-{namedGroup}]",
+          "primitive": "key-agree"
+        }
+      ]
+    },
+    {
+      "family": "J-PAKE",
+      "standard": [
+        {
+          "name": "RFC8236",
+          "url": "https://doi.org/10.17487/RFC8236"
+        }
+      ],
+      "variant": [
+        {
+          "pattern": "J-PAKE[-{namedGroup}][-{kdf}][-{mac}]",
+          "primitive": "key-agree"
+        },
+        {
+          "pattern": "J-PAKE[-{ellipticCurve}][-{kdf}][-{mac}]",
+          "primitive": "key-agree"
+        }
+      ]
+    },
     {
       "family": "SHA-1",
       "standard": [

schema/cryptography-defs.schema.json

@@ -280,6 +280,7 @@
         "HMAC_DRBG",
         "IDEA",
         "IKE-PRF",
+        "J-PAKE",
         "KMAC",
         "LMS",
         "MD2",
@@ -322,6 +323,7 @@
         "Serpent",
         "SipHash",
         "Skipjack",
+        "SRP",
         "TUAK",
         "Twofish",
         "UMAC",