tau: Port to crypto_box 0.9 and use chacha20 ciphers.

Cargo.lock

@@ -1424,16 +1424,31 @@ dependencies = [
 
 [[package]]
 name = "crypto_box"
-version = "0.8.2"
+version = "0.9.0-rc.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd26c32de5307fd08aac445a75c43472b14559d5dccdfba8022dbcd075838ebc"
+checksum = "20e2e9da0705c71ce86168d6e906af19123543130e4bff7149b55c0d4a729086"
 dependencies = [
  "aead",
  "chacha20",
- "chacha20poly1305",
+ "crypto_secretbox",
+ "curve25519-dalek 4.0.0-rc.3",
  "salsa20",
- "x25519-dalek 1.1.1",
- "xsalsa20poly1305",
+ "zeroize",
+]
+
+[[package]]
+name = "crypto_secretbox"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9d6cf87adf719ddf43a805e92c6870a531aedda35ff640442cbaf8674e141e1"
+dependencies = [
+ "aead",
+ "chacha20",
+ "cipher",
+ "generic-array",
+ "poly1305",
+ "salsa20",
+ "subtle",
  "zeroize",
 ]
 
@@ -1496,6 +1511,33 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "curve25519-dalek"
+version = "4.0.0-rc.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "436ace70fc06e06f7f689d2624dc4e2f0ea666efb5aa704215f7249ae6e047a7"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "fiat-crypto",
+ "platforms",
+ "rustc_version 0.4.0",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.25",
+]
+
 [[package]]
 name = "darkfi"
 version = "0.4.1"
@@ -2352,7 +2394,7 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
 dependencies = [
- "curve25519-dalek",
+ "curve25519-dalek 3.2.0",
  "ed25519",
  "merlin",
  "rand 0.7.3",
@@ -2579,6 +2621,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "fiat-crypto"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e825f6987101665dea6ec934c09ec6d721de7bc1bf92248e1d5810c8cd636b77"
+
 [[package]]
 name = "flate2"
 version = "1.0.26"
@@ -2877,6 +2925,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -4270,6 +4319,12 @@ version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
+[[package]]
+name = "platforms"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d7ddaed09e0eb771a79ab0fd64609ba0afb0a8366421957936ad14cbd13630"
+
 [[package]]
 name = "plotters"
 version = "0.3.5"
@@ -6444,7 +6499,7 @@ dependencies = [
  "aes",
  "base64ct",
  "ctr",
- "curve25519-dalek",
+ "curve25519-dalek 3.2.0",
  "derive_more",
  "digest 0.10.7",
  "ed25519-dalek",
@@ -6462,7 +6517,7 @@ dependencies = [
  "simple_asn1",
  "subtle",
  "thiserror",
- "x25519-dalek 2.0.0-pre.1",
+ "x25519-dalek",
  "zeroize",
 ]
 
@@ -7563,24 +7618,13 @@ dependencies = [
  "tap",
 ]
 
-[[package]]
-name = "x25519-dalek"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a0c105152107e3b96f6a00a65e86ce82d9b125230e1c4302940eca58ff71f4f"
-dependencies = [
- "curve25519-dalek",
- "rand_core 0.5.1",
- "zeroize",
-]
-
 [[package]]
 name = "x25519-dalek"
 version = "2.0.0-pre.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5da623d8af10a62342bcbbb230e33e58a63255a58012f8653c578e54bab48df"
 dependencies = [
- "curve25519-dalek",
+ "curve25519-dalek 3.2.0",
  "rand_core 0.6.4",
  "zeroize",
 ]
@@ -7613,19 +7657,6 @@ dependencies = [
  "untrusted",
 ]
 
-[[package]]
-name = "xsalsa20poly1305"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02a6dad357567f81cd78ee75f7c61f1b30bb2fe4390be8fb7c69e2ac8dffb6c7"
-dependencies = [
- "aead",
- "poly1305",
- "salsa20",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "yasna"
 version = "0.5.2"