From a2c032f2921bbd22a8acddbfeb6357cec7e1f607 Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Thu, 17 Sep 2020 08:51:17 -0700
Subject: [PATCH] Add optional `std` feature to all crates (#217)

Disabled-by-default. Closes #204.

This mostly provides a `std::error::Error` impl on `aead::Error`.
---
 aes-gcm-siv/Cargo.toml      | 1 +
 aes-gcm/Cargo.toml          | 1 +
 aes-siv/Cargo.toml          | 1 +
 ccm/Cargo.toml              | 1 +
 chacha20poly1305/Cargo.toml | 1 +
 crypto_box/Cargo.toml       | 1 +
 eax/Cargo.toml              | 1 +
 mgm/Cargo.toml              | 1 +
 xsalsa20poly1305/Cargo.toml | 1 +
 9 files changed, 9 insertions(+)

diff --git a/aes-gcm-siv/Cargo.toml b/aes-gcm-siv/Cargo.toml
index fc275502..e7b5895f 100644
--- a/aes-gcm-siv/Cargo.toml
+++ b/aes-gcm-siv/Cargo.toml
@@ -27,6 +27,7 @@ zeroize = { version = "1", default-features = false }
 default = ["aes", "alloc"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
+std = ["aead/std", "alloc"]
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/aes-gcm/Cargo.toml b/aes-gcm/Cargo.toml
index 2c7130ed..f32a1444 100644
--- a/aes-gcm/Cargo.toml
+++ b/aes-gcm/Cargo.toml
@@ -30,6 +30,7 @@ hex-literal = "0.2"
 default = ["aes", "alloc"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
+std = ["aead/std", "alloc"]
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/aes-siv/Cargo.toml b/aes-siv/Cargo.toml
index f74f9494..dba85a31 100644
--- a/aes-siv/Cargo.toml
+++ b/aes-siv/Cargo.toml
@@ -33,6 +33,7 @@ hex-literal = "0.2"
 default = ["alloc"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
+std = ["aead/std", "alloc"]
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/ccm/Cargo.toml b/ccm/Cargo.toml
index 66a774ea..81902b84 100644
--- a/ccm/Cargo.toml
+++ b/ccm/Cargo.toml
@@ -26,3 +26,4 @@ hex-literal = "0.2"
 default = ["alloc"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
+std = ["aead/std", "alloc"]
diff --git a/chacha20poly1305/Cargo.toml b/chacha20poly1305/Cargo.toml
index ec7a1f28..386ca749 100644
--- a/chacha20poly1305/Cargo.toml
+++ b/chacha20poly1305/Cargo.toml
@@ -29,6 +29,7 @@ default = ["alloc", "chacha20", "xchacha20poly1305"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
 reduced-round = ["chacha20"]
+std = ["aead/std", "alloc"]
 xchacha20poly1305 = ["chacha20/xchacha20"]
 
 [package.metadata.docs.rs]
diff --git a/crypto_box/Cargo.toml b/crypto_box/Cargo.toml
index 559f9544..434c223e 100644
--- a/crypto_box/Cargo.toml
+++ b/crypto_box/Cargo.toml
@@ -35,5 +35,6 @@ rand = "0.7"
 default = ["alloc", "u64_backend"]
 alloc = ["xsalsa20poly1305/alloc"]
 heapless = ["xsalsa20poly1305/heapless"]
+std = ["xsalsa20poly1305/std"]
 u32_backend = ["x25519-dalek/u32_backend"]
 u64_backend = ["x25519-dalek/u64_backend"]
diff --git a/eax/Cargo.toml b/eax/Cargo.toml
index 14e997cd..e4ff06b3 100644
--- a/eax/Cargo.toml
+++ b/eax/Cargo.toml
@@ -33,6 +33,7 @@ aead = { version = "0.3", features = ["dev"], default-features = false }
 default = ["alloc"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
+std = ["aead/std", "alloc"]
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/mgm/Cargo.toml b/mgm/Cargo.toml
index 7ecddeab..2373f096 100644
--- a/mgm/Cargo.toml
+++ b/mgm/Cargo.toml
@@ -26,3 +26,4 @@ hex-literal = "0.2"
 default = ["alloc"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
+std = ["aead/std", "alloc"]
diff --git a/xsalsa20poly1305/Cargo.toml b/xsalsa20poly1305/Cargo.toml
index cbdb9fb3..b6c3ceb0 100644
--- a/xsalsa20poly1305/Cargo.toml
+++ b/xsalsa20poly1305/Cargo.toml
@@ -26,6 +26,7 @@ zeroize = { version = "1", default-features = false }
 default = ["alloc", "rand_core"]
 alloc = ["aead/alloc"]
 heapless = ["aead/heapless"]
+std = ["aead/std", "alloc"]
 
 [package.metadata.docs.rs]
 all-features = true