Bump signature crate dependency to v2 (#58)

Release notes: RustCrypto/traits#1211

This also bumps the following crates:

- `dsa` v0.5
- `ed25519-dalek` "2.0" (via git)
- `p256` v0.12
- `p384` v0.12
- `rsa` v0.8 (via git)

Author: tarcieri

Cargo.lock

@@ -8,6 +8,7 @@ members = [
 [profile.dev]
 opt-level = 2
 
-[patch.crates-io.ed25519-dalek]
-git = "https://github.com/dalek-cryptography/ed25519-dalek"
-branch = "release/2.0"
+[patch.crates-io]
+curve25519-dalek = { git = "https://github.com/dalek-cryptography/curve25519-dalek" }
+ed25519-dalek = { git = "https://github.com/dalek-cryptography/ed25519-dalek", branch = "release/2.0" }
+rsa = { git = "https://github.com/rustcrypto/rsa", branch = "v0.8.0" }

Cargo.toml

@@ -19,7 +19,7 @@ rust-version = "1.60"
 [dependencies]
 encoding = { package = "ssh-encoding", version = "0.1", features = ["base64", "pem", "sha2"], path = "../ssh-encoding" }
 sha2 = { version = "0.10.6", default-features = false }
-signature = { version = "=2.0.0-pre.3", default-features = false }
+signature = { version = "2", default-features = false }
 subtle = { version = "2", default-features = false }
 zeroize = { version = "1", default-features = false }
 
@@ -28,15 +28,16 @@ aes = { version = "0.8", optional = true, default-features = false }
 ctr = { version = "0.9", optional = true, default-features = false }
 bcrypt-pbkdf = { version = "0.9", optional = true, default-features = false }
 bigint = { package = "num-bigint-dig", version = "0.8", optional = true, default-features = false }
-dsa = { version = "=0.5.0-pre.1", optional = true, default-features = false }
+dsa = { version = "0.5", optional = true, default-features = false }
 ed25519-dalek = { version = "1.0.1", optional = true, default-features = false }
-p256 = { version = "=0.12.0-pre.1", optional = true, default-features = false, features = ["ecdsa"] }
-p384 = { version = "=0.12.0-pre.1", optional = true, default-features = false, features = ["ecdsa"] }
+p256 = { version = "0.12", optional = true, default-features = false, features = ["ecdsa"] }
+p384 = { version = "0.12", optional = true, default-features = false, features = ["ecdsa"] }
 rand_core = { version = "0.6", optional = true, default-features = false }
-rsa = { version = "0.8.0-pre.0", optional = true, default-features = false }
+rsa = { version = "0.8", optional = true, default-features = false }
 sec1 = { version = "0.3", optional = true, default-features = false, features = ["point"] }
 serde = { version = "1", optional = true }
 sha1 = { version = "0.10", optional = true, default-features = false }
+
 [dev-dependencies]
 hex-literal = "0.3.4"
 rand_chacha = "0.3"
@@ -60,7 +61,7 @@ std = [
     "signature/std"
 ]
 
-dsa = ["dep:bigint", "dep:dsa", "dep:sha1", "alloc", "signature/rand-preview"]
+dsa = ["dep:bigint", "dep:dsa", "dep:sha1", "alloc", "signature/rand_core"]
 ecdsa = ["dep:sec1"]
 ed25519 = ["dep:ed25519-dalek", "rand_core"]
 encryption = [ "alloc", "dep:aes", "dep:bcrypt-pbkdf", "dep:ctr", "rand_core"]