From d7ab417a99115493d83c41f32254af949e6f97da Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 31 Jul 2021 22:54:18 +0100
Subject: [PATCH] prep for hmac

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 Cargo.lock | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml | 10 ++++++
 2 files changed, 100 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 2cb430d..c0b447a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -49,6 +49,15 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bytes"
 version = "1.0.1"
@@ -104,6 +113,34 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
+[[package]]
+name = "cpufeatures"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66c99696f6c9dd7f35d486b9d04d7e6e202aa3e8c40d553f2fdf5e7e0c6a71ef"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto-mac"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1d1a86f49236c215f271d40892d5fc950490551400b02ef360692c29815c714"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -270,6 +307,16 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.3"
@@ -335,6 +382,7 @@ dependencies = [
  "fehler",
  "futures",
  "hippotat-macros",
+ "hmac",
  "hyper",
  "hyper-tls",
  "ipnet",
@@ -343,6 +391,7 @@ dependencies = [
  "log",
  "parking_lot",
  "regex",
+ "sha2",
  "structopt",
  "tokio",
  "void",
@@ -358,6 +407,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "hmac"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "http"
 version = "0.2.4"
@@ -599,6 +658,12 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
 [[package]]
 name = "openssl"
 version = "0.10.35"
@@ -849,6 +914,19 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b362ae5752fd2137731f9fa25fd4d9058af34666ca1966fb969119cc35719f12"
+dependencies = [
+ "block-buffer",
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+ "opaque-debug",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.0"
@@ -910,6 +988,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "subtle"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
+
 [[package]]
 name = "syn"
 version = "1.0.73"
@@ -1040,6 +1124,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
+[[package]]
+name = "typenum"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.8.0"
diff --git a/Cargo.toml b/Cargo.toml
index 59a4cf8..fbca270 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,6 +32,7 @@ itertools = "0.10"
 parking_lot = "0.11"
 regex = "1.5"
 log = "0.4"
+sha2 = "0.9"
 structopt = "0.3"
 tokio = { version = "1", features = ["full"] }
 void = "1"
@@ -40,3 +41,12 @@ void = "1"
 extend = "1"		# no deps not in sid
 fehler = "1"		# no deps (other than fehler-macros, obvs)
 lazy-regex = "2"	# no deps not in sid
+
+hmac = "0.11"
+# ^ more troublesome.  runtime deps are
+#	crypto-mac	not in sid, all deps in sid
+#	digest		in sid
+#   plus dev-dependencies probably for testing with test vectors
+#	sha2		in sid
+#	md-5		not in sid, disable ?
+#	streebog	not in sid, disable ? (OST algorithms)
-- 
2.30.2