From 8c41f874889d9df5f754251a7dd62c57dc573b7f Mon Sep 17 00:00:00 2001
From: Delta1925 <lucatrucco05@gmail.com>
Date: Sat, 20 May 2023 16:48:08 +0200
Subject: [PATCH] Move to pure rust cryptos

---
 backend/Cargo.lock | 869 +++++++++++++++++++++++++++++++++++----------
 backend/Cargo.toml |   4 +-
 2 files changed, 687 insertions(+), 186 deletions(-)

diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index e03fd85..1a801cb 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -202,6 +202,46 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "aead"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc95d1bdb8e6666b2b217308eeeb09f2d6728d104be3e31916cc74d15420331"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "884391ef1066acaa41e766ba8f596341b96e93ce34f9a43e7d24bf0a0eaf0561"
+dependencies = [
+ "aes-soft",
+ "aesni",
+ "cipher",
+]
+
+[[package]]
+name = "aes-soft"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be14c7498ea50828a38d0e24a765ed2effe92a705885b57d029cd67d45744072"
+dependencies = [
+ "cipher",
+ "opaque-debug",
+]
+
+[[package]]
+name = "aesni"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea2e11f5e94c2f7d386164cc2aa1f97823fed6f259e486940a71c174dd01b0ce"
+dependencies = [
+ "cipher",
+ "opaque-debug",
+]
+
 [[package]]
 name = "ahash"
 version = "0.7.6"
@@ -275,6 +315,15 @@ dependencies = [
  "syn 2.0.15",
 ]
 
+[[package]]
+name = "autocfg"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dde43e75fd43e8a1bf86103336bc699aa8d17ad1be60c76c0bdfd4828e19b78"
+dependencies = [
+ "autocfg 1.1.0",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -314,6 +363,27 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitvec"
+version = "0.20.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7774144344a4faa177370406a7ff5f1da24303817368584c6206c8303eb07848"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
+[[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 = "block-buffer"
 version = "0.10.4"
@@ -323,6 +393,33 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-modes"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57a0e8073e8baa88212fb5823574c02ebccb395136ba9a164ab89379ec6072f0"
+dependencies = [
+ "block-padding",
+ "cipher",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
+
+[[package]]
+name = "blowfish"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32fa6a061124e37baba002e496d203e23ba3d7b73750be82dbfbc92913048a5b"
+dependencies = [
+ "byteorder",
+ "cipher",
+ "opaque-debug",
+]
+
 [[package]]
 name = "buffered-reader"
 version = "1.1.4"
@@ -339,6 +436,12 @@ version = "3.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b1ce199063694f33ffb7dd4e0ee620741495c32833cde5aa08f02a0bf96f0c8"
 
+[[package]]
+name = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
 [[package]]
 name = "bytes"
 version = "1.4.0"
@@ -354,6 +457,17 @@ dependencies = [
  "bytes",
 ]
 
+[[package]]
+name = "cast5"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1285caf81ea1f1ece6b24414c521e625ad0ec94d880625c20f2e65d8d3f78823"
+dependencies = [
+ "byteorder",
+ "cipher",
+ "opaque-debug",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.79"
@@ -381,6 +495,25 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12f8e7987cbd042a63249497f41aed09f8e65add917ea6566effbc56578d6801"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "cmac"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73d4de4f7724e5fe70addfb2bd37c2abd2f95084a429d7773b0b9645499b4272"
+dependencies = [
+ "crypto-mac 0.10.1",
+ "dbl",
+]
+
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -391,22 +524,18 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "279bc8fc53f788a75c7804af68237d1fce02cde1e275a886a4b320604dc2aeda"
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
 
-[[package]]
-name = "core-foundation"
-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.4"
@@ -438,6 +567,49 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bff07008ec701e8028e2ceb8f83f0e4274ee62bd2dbdc4fefff2e9a91824081a"
+dependencies = [
+ "cipher",
+ "generic-array",
+ "subtle",
+]
+
+[[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 = "ctr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb4a30d54f7443bf3d6191dcd486aca19e67cb3c49fa7a06a319966346707e7f"
+dependencies = [
+ "cipher",
+]
+
+[[package]]
+name = "curve25519-dalek"
+version = "3.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90f9d052967f590a76e62eb387bd0bbb1b000182c3cefe5364db6b7211651bc0"
+dependencies = [
+ "byteorder",
+ "digest 0.9.0",
+ "rand_core 0.5.1",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "cxx"
 version = "1.0.94"
@@ -482,6 +654,25 @@ dependencies = [
  "syn 2.0.15",
 ]
 
+[[package]]
+name = "dbl"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd2735a791158376708f9347fe8faba9667589d82427ef3aed6794a8981de3d9"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "der"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2eeb9d92785d1facb50567852ce75d0858630630e7eabea59cf7eb7474051087"
+dependencies = [
+ "const-oid",
+ "typenum",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.17"
@@ -495,6 +686,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "des"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b24e7c748888aa2fa8bce21d8c64a52efc810663285315ac7476f7197a982fae"
+dependencies = [
+ "byteorder",
+ "cipher",
+ "opaque-debug",
+]
+
 [[package]]
 name = "diff"
 version = "0.1.13"
@@ -516,7 +718,7 @@ version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.10.4",
  "crypto-common",
 ]
 
@@ -547,12 +749,75 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68b0cf012f1230e43cd00ebb729c6bb58707ecfa8ad08b52ef3a4ccd2697fc30"
 
+[[package]]
+name = "eax"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1f76e7a5e594b299a0fa9a99de627530725e341df41376aa342aecb2c5eb76e"
+dependencies = [
+ "aead",
+ "cipher",
+ "cmac",
+ "ctr",
+ "subtle",
+]
+
+[[package]]
+name = "ecdsa"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34d33b390ab82f2e1481e331dbd0530895640179d2128ef9a79cc690b78d1eba"
+dependencies = [
+ "der",
+ "elliptic-curve",
+ "hmac",
+ "signature",
+]
+
+[[package]]
+name = "ed25519"
+version = "1.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91cff35c70bba8a626e3185d8cd48cc11b5437e1a5bcd15b9b5fa3c64b6dfee7"
+dependencies = [
+ "signature",
+]
+
+[[package]]
+name = "ed25519-dalek"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c762bae6dcaf24c4c84667b8579785430908723d5c889f469d76a41d59cc7a9d"
+dependencies = [
+ "curve25519-dalek",
+ "ed25519",
+ "rand 0.7.3",
+ "sha2",
+ "zeroize",
+]
+
 [[package]]
 name = "either"
 version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.9.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c13e9b0c3c4170dcc2a12783746c4205d98e18957f57854251eea3f9750fe005"
+dependencies = [
+ "bitvec",
+ "ff",
+ "generic-array",
+ "group",
+ "pkcs8",
+ "rand_core 0.6.4",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "email-encoding"
 version = "0.2.0"
@@ -617,6 +882,17 @@ dependencies = [
  "instant",
 ]
 
+[[package]]
+name = "ff"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72a4d941a5b7c2a75222e2d44fcdf634a67133d9db31e177ae5ff6ecda852bfe"
+dependencies = [
+ "bitvec",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "fixedbitset"
 version = "0.4.2"
@@ -645,21 +921,6 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
-[[package]]
-name = "foreign-types"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
-dependencies = [
- "foreign-types-shared",
-]
-
-[[package]]
-name = "foreign-types-shared"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
-
 [[package]]
 name = "form_urlencoded"
 version = "1.1.0"
@@ -669,6 +930,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "funty"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
+
 [[package]]
 name = "futures-core"
 version = "0.3.28"
@@ -750,6 +1017,17 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
+[[package]]
+name = "group"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61b3c1e8b4f1ca07e6605ea1be903a5f6956aec5c8a67fd44d56076631675ed8"
+dependencies = [
+ "ff",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.18"
@@ -791,14 +1069,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
 
 [[package]]
-name = "hostname"
-version = "0.3.1"
+name = "hmac"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c731c3e10504cc8ed35cfe2f1db4c9274c3d35fa486e3b31df46f068ef3e867"
+checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
 dependencies = [
- "libc",
- "match_cfg",
- "winapi",
+ "crypto-mac 0.11.1",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -854,6 +1131,16 @@ dependencies = [
  "cxx-build",
 ]
 
+[[package]]
+name = "idea"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcdd4b114cf2265123bbdc5d32a39f96a343fbdf141267d2b5232b7e14caacb3"
+dependencies = [
+ "cipher",
+ "opaque-debug",
+]
+
 [[package]]
 name = "idna"
 version = "0.3.0"
@@ -870,7 +1157,7 @@ version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "hashbrown",
 ]
 
@@ -969,6 +1256,9 @@ name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+dependencies = [
+ "spin",
+]
 
 [[package]]
 name = "lettre"
@@ -983,17 +1273,18 @@ dependencies = [
  "fastrand",
  "futures-io",
  "futures-util",
- "hostname",
  "httpdate",
  "idna",
  "mime",
- "native-tls",
  "nom",
  "once_cell",
  "quoted_printable",
+ "rustls",
+ "rustls-pemfile",
  "socket2",
  "tokio",
- "tokio-native-tls",
+ "tokio-rustls",
+ "webpki-roots",
 ]
 
 [[package]]
@@ -1002,6 +1293,12 @@ version = "0.2.142"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
 
+[[package]]
+name = "libm"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
+
 [[package]]
 name = "link-cplusplus"
 version = "1.0.8"
@@ -1041,7 +1338,7 @@ version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "scopeguard",
 ]
 
@@ -1055,10 +1352,15 @@ dependencies = [
 ]
 
 [[package]]
-name = "match_cfg"
-version = "0.1.0"
+name = "md-5"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
+checksum = "7b5a279bb9607f9f53c22d496eade00d138d1bdcccd07d74650387cf94942a15"
+dependencies = [
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
+ "opaque-debug",
+]
 
 [[package]]
 name = "memchr"
@@ -1106,24 +1408,6 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
-[[package]]
-name = "native-tls"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
-dependencies = [
- "lazy_static",
- "libc",
- "log",
- "openssl",
- "openssl-probe",
- "openssl-sys",
- "schannel",
- "security-framework",
- "security-framework-sys",
- "tempfile",
-]
-
 [[package]]
 name = "new_debug_unreachable"
 version = "1.0.4"
@@ -1150,13 +1434,54 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
+dependencies = [
+ "autocfg 1.1.0",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-bigint-dig"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d51546d704f52ef14b3c962b5776e53d5b862e5790e40a350d366c209bd7f7a"
+dependencies = [
+ "autocfg 0.1.8",
+ "byteorder",
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand 0.7.3",
+ "serde",
+ "smallvec",
+ "zeroize",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
+ "num-traits",
+]
+
+[[package]]
+name = "num-iter"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d03e6c028c5dc5cac6e2dec0efda81fc887605bb3d884578bb6d6bf7514e252"
+dependencies = [
+ "autocfg 1.1.0",
+ "num-integer",
  "num-traits",
 ]
 
@@ -1166,7 +1491,7 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -1186,48 +1511,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
-name = "openssl"
-version = "0.10.51"
+name = "opaque-debug"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97ea2d98598bf9ada7ea6ee8a30fb74f9156b63bbe495d64ec2b87c269d2dda3"
-dependencies = [
- "bitflags",
- "cfg-if",
- "foreign-types",
- "libc",
- "once_cell",
- "openssl-macros",
- "openssl-sys",
-]
-
-[[package]]
-name = "openssl-macros"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.15",
-]
-
-[[package]]
-name = "openssl-probe"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
-
-[[package]]
-name = "openssl-sys"
-version = "0.9.86"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "992bac49bdbab4423199c654a5515bd2a6c6a23bf03f2dd3bdb7e5ae6259bc69"
-dependencies = [
- "cc",
- "libc",
- "pkg-config",
- "vcpkg",
-]
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "overload"
@@ -1235,6 +1522,17 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
 
+[[package]]
+name = "p256"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f05f5287453297c4c16af5e2b04df8fd2a3008d70f252729650bc6d7ace5844"
+dependencies = [
+ "ecdsa",
+ "elliptic-curve",
+ "sha2",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1253,7 +1551,7 @@ checksum = "9069cbb9f99e3a5083476ccb29ceb1de18b9118cafa53e90c9551235de2b9521"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall 0.2.16",
+ "redox_syscall",
  "smallvec",
  "windows-sys 0.45.0",
 ]
@@ -1264,6 +1562,17 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f746c4065a8fa3fe23974dd82f15431cc8d40779821001404d10d2e79ca7d79"
 
+[[package]]
+name = "pem"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd56cbd21fea48d0c440b41cd69c589faacade08c992d9a54e471b79d0fd13eb"
+dependencies = [
+ "base64 0.13.1",
+ "once_cell",
+ "regex",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.2.0"
@@ -1302,10 +1611,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
-name = "pkg-config"
-version = "0.3.26"
+name = "pkcs8"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
+checksum = "c9c2f795bc591cb3384cb64082a578b89207ac92bb89c9d98c1ea2ace7cd8110"
+dependencies = [
+ "der",
+ "spki",
+]
 
 [[package]]
 name = "ppv-lite86"
@@ -1339,9 +1652,15 @@ dependencies = [
 
 [[package]]
 name = "quoted_printable"
-version = "0.4.7"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a24039f627d8285853cc90dcddf8c1ebfaa91f834566948872b225b9a28ed1b6"
+checksum = "5a3866219251662ec3b26fc217e3e05bf9c4f84325234dfb96bf0bf840889e49"
+
+[[package]]
+name = "radium"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "643f8f41a8ebc4c5dc4515c82bb8abd397b527fc20fd681b7c011c2aee5d44fb"
 
 [[package]]
 name = "rand"
@@ -1423,15 +1742,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "redox_users"
 version = "0.4.3"
@@ -1439,7 +1749,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
 dependencies = [
  "getrandom 0.2.9",
- "redox_syscall 0.2.16",
+ "redox_syscall",
  "thiserror",
 ]
 
@@ -1466,6 +1776,54 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5996294f19bd3aae0453a862ad728f60e6600695733dd5df01da90c54363a3c"
 
+[[package]]
+name = "ring"
+version = "0.16.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
+dependencies = [
+ "cc",
+ "libc",
+ "once_cell",
+ "spin",
+ "untrusted",
+ "web-sys",
+ "winapi",
+]
+
+[[package]]
+name = "ripemd160"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2eca4ecc81b7f313189bf73ce724400a07da2a6dac19588b03c8bd76a2dcc251"
+dependencies = [
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
+ "opaque-debug",
+]
+
+[[package]]
+name = "rsa"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3648b669b10afeab18972c105e284a7b953a669b0be3514c27f9b17acab2f9cd"
+dependencies = [
+ "byteorder",
+ "digest 0.9.0",
+ "lazy_static",
+ "num-bigint-dig",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "pem",
+ "rand 0.7.3",
+ "sha2",
+ "simple_asn1",
+ "subtle",
+ "thiserror",
+ "zeroize",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -1489,6 +1847,37 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c911ba11bc8433e811ce56fde130ccf32f5127cab0e0194e9c68c5a5b671791e"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d194b56d58803a43635bdc398cd17e383d6f71f9182b9a192c127ca42494a59b"
+dependencies = [
+ "base64 0.21.0",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.100.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6207cd5ed3d8dca7816f8f3725513a34609c0c765bf652b8c3cb4cfd87db46b"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.12"
@@ -1501,15 +1890,6 @@ version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
 
-[[package]]
-name = "schannel"
-version = "0.1.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "713cfb06c7059f3588fb8044c0fad1d09e3c01d225e25b9220dbfdcf16dbb1b3"
-dependencies = [
- "windows-sys 0.42.0",
-]
-
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1523,26 +1903,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1792db035ce95be60c3f8853017b3999209281c24e2ba5bc8e59bf97a0c590c1"
 
 [[package]]
-name = "security-framework"
-version = "2.8.2"
+name = "sct"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a332be01508d814fed64bf28f798a146d73792121129962fdf335bb3c49a4254"
+checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
 dependencies = [
- "bitflags",
- "core-foundation",
- "core-foundation-sys",
- "libc",
- "security-framework-sys",
-]
-
-[[package]]
-name = "security-framework-sys"
-version = "2.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31c9bb296072e961fcbd8853511dd39c2d8be2deb1e17c6860b1d30732b323b4"
-dependencies = [
- "core-foundation-sys",
- "libc",
+ "ring",
+ "untrusted",
 ]
 
 [[package]]
@@ -1557,27 +1924,48 @@ version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5f5aa2f8ea2ab9690c2839a16f7bf335f404fa97fad627c8e828b302b1a5c18"
 dependencies = [
+ "aes",
  "anyhow",
  "base64 0.13.1",
+ "block-modes",
+ "block-padding",
+ "blowfish",
  "buffered-reader",
+ "cast5",
  "chrono",
+ "cipher",
+ "des",
+ "digest 0.9.0",
  "dyn-clone",
- "foreign-types-shared",
+ "eax",
+ "ecdsa",
+ "ed25519-dalek",
+ "generic-array",
  "getrandom 0.2.9",
+ "idea",
  "idna",
  "lalrpop",
  "lalrpop-util",
  "lazy_static",
  "libc",
+ "md-5",
  "memsec",
+ "num-bigint-dig",
  "once_cell",
- "openssl",
- "openssl-sys",
+ "p256",
  "rand 0.7.3",
+ "rand_core 0.6.4",
  "regex",
  "regex-syntax 0.6.29",
+ "ripemd160",
+ "rsa",
+ "sha-1",
  "sha1collisiondetection",
+ "sha2",
  "thiserror",
+ "twofish",
+ "typenum",
+ "x25519-dalek",
  "xxhash-rust",
 ]
 
@@ -1633,6 +2021,19 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha-1"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99cd6713db3cf16b6c84e06321e049a9b9f699826e16096d23bbcc44d15d51a6"
+dependencies = [
+ "block-buffer 0.9.0",
+ "cfg-if",
+ "cpufeatures",
+ "digest 0.9.0",
+ "opaque-debug",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.5"
@@ -1654,6 +2055,19 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.9.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
+dependencies = [
+ "block-buffer 0.9.0",
+ "cfg-if",
+ "cpufeatures",
+ "digest 0.9.0",
+ "opaque-debug",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -1663,6 +2077,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2807892cfa58e081aa1f1111391c7a0649d4fa127a4ffbe34bcbfb35a1171a4"
+dependencies = [
+ "digest 0.9.0",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "simple-wkd"
 version = "1.0.0"
@@ -1685,6 +2109,17 @@ dependencies = [
  "zbase32",
 ]
 
+[[package]]
+name = "simple_asn1"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "692ca13de57ce0613a363c8c2f1de925adebc81b04c923ac60c5488bb44abe4b"
+dependencies = [
+ "chrono",
+ "num-bigint",
+ "num-traits",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.3.10"
@@ -1697,7 +2132,7 @@ version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6528351c9bc8ab22353f9d776db39a20288e8d6c37ef8cfe3317cf875eecfc2d"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -1716,6 +2151,21 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
+[[package]]
+name = "spki"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dae7e047abc519c96350e9484a96c6bf1492348af912fd3446dd2dc323f6268"
+dependencies = [
+ "der",
+]
+
 [[package]]
 name = "string_cache"
 version = "0.8.7"
@@ -1729,6 +2179,12 @@ dependencies = [
  "precomputed-hash",
 ]
 
+[[package]]
+name = "subtle"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -1752,17 +2208,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "tempfile"
-version = "3.5.0"
+name = "tap"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9fbec84f381d5795b08656e4912bec604d162bff9291d6189a78f4c8ab87998"
-dependencies = [
- "cfg-if",
- "fastrand",
- "redox_syscall 0.3.5",
- "rustix",
- "windows-sys 0.45.0",
-]
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "term"
@@ -1872,7 +2321,7 @@ version = "1.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0de47a4eecbe11f498978a9b29d792f0d2692d1dd003650c24c76510e3bc001"
 dependencies = [
- "autocfg",
+ "autocfg 1.1.0",
  "bytes",
  "libc",
  "mio",
@@ -1884,12 +2333,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "tokio-native-tls"
-version = "0.3.1"
+name = "tokio-rustls"
+version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+checksum = "e0d409377ff5b1e3ca6437aa86c1eb7d40c134bfec254e44c830defa92669db5"
 dependencies = [
- "native-tls",
+ "rustls",
  "tokio",
 ]
 
@@ -1962,6 +2411,17 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "twofish"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0028f5982f23ecc9a1bc3008ead4c664f843ed5d78acd3d213b99ff50c441bc2"
+dependencies = [
+ "byteorder",
+ "cipher",
+ "opaque-debug",
+]
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -2010,6 +2470,12 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "untrusted"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
+
 [[package]]
 name = "url"
 version = "2.3.1"
@@ -2022,12 +2488,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "vcpkg"
-version = "0.2.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
-
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -2106,6 +2566,25 @@ version = "0.2.84"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
 
+[[package]]
+name = "web-sys"
+version = "0.3.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e33b99f4b23ba3eec1a53ac264e35a755f00e966e0065077d6027c0f575b0b97"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "webpki-roots"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa54963694b65584e170cf5dc46aeb4dcaa5584e652ff5f3952e56d66aff0125"
+dependencies = [
+ "rustls-webpki",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2146,21 +2625,6 @@ dependencies = [
  "windows-targets 0.48.0",
 ]
 
-[[package]]
-name = "windows-sys"
-version = "0.42.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
-dependencies = [
- "windows_aarch64_gnullvm 0.42.2",
- "windows_aarch64_msvc 0.42.2",
- "windows_i686_gnu 0.42.2",
- "windows_i686_msvc 0.42.2",
- "windows_x86_64_gnu 0.42.2",
- "windows_x86_64_gnullvm 0.42.2",
- "windows_x86_64_msvc 0.42.2",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.45.0"
@@ -2302,6 +2766,23 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "wyz"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
+
+[[package]]
+name = "x25519-dalek"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2392b6b94a576b4e2bf3c5b2757d63f10ada8020a2e4d08ac849ebcf6ea8e077"
+dependencies = [
+ "curve25519-dalek",
+ "rand_core 0.5.1",
+ "zeroize",
+]
+
 [[package]]
 name = "xxhash-rust"
 version = "0.8.6"
@@ -2313,3 +2794,23 @@ name = "zbase32"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f9079049688da5871a7558ddacb7f04958862c703e68258594cb7a862b5e33f"
+
+[[package]]
+name = "zeroize"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4756f7db3f7b5574938c3eb1c117038b8e07f95ee6718c0efad4ac21508f1efd"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.15",
+]
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 1116f07..82b81e1 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -9,11 +9,11 @@ actix-web = { version = "4.3.1", default-features = false, features = ["macros"]
 anyhow = "1.0.70"
 chrono = "0.4.24"
 flexi_logger = "0.25.3"
-lettre = { version = "0.10.4", features = ["tokio1-native-tls"] }
+lettre = { version = "0.10.4", default-features = false, features = ["builder", "smtp-transport", "tokio1-rustls-tls"] }
 log = "0.4.17"
 once_cell = "1.17.1"
 rand = "0.8.5"
-sequoia-openpgp = { version = "1.14.0", default-features = false, features = ["crypto-openssl"] }
+sequoia-openpgp = { version = "1.14.0", default-features = false, features = ["crypto-rust", "allow-experimental-crypto", "allow-variable-time-crypto"] }
 serde = { version = "1.0.160", features = ["derive"] }
 thiserror = "1.0.40"
 tokio = { version = "1.27.0", features = ["time"] }