openpgp: Add a new backend based on the Botan cryptographic library.

1 files changed, 8 insertions, 0 deletions

diff --git a/openpgp/build.rs b/openpgp/build.rs
index 60f07620..2a2aa9a1 100644
--- a/openpgp/build.rs
+++ b/openpgp/build.rs
@@ -66,6 +66,7 @@ fn crypto_backends_sanity_check() {
         (cfg!(all(feature = "crypto-nettle",
                   not(all(feature = "__implicit-crypto-backend-for-tests",
                           any(feature = "crypto-openssl",
+                              feature = "crypto-botan",
                               feature = "crypto-rust"))))),
          Backend {
              name: "Nettle",
@@ -76,6 +77,7 @@ fn crypto_backends_sanity_check() {
                   not(all(feature = "__implicit-crypto-backend-for-tests",
                           any(feature = "crypto-nettle",
                               feature = "crypto-openssl",
+                              feature = "crypto-botan",
                               feature = "crypto-rust"))))),
          Backend {
              name: "Windows CNG",
@@ -94,6 +96,12 @@ fn crypto_backends_sanity_check() {
              production_ready: true,
              constant_time: true,
          }),
+        (cfg!(feature = "crypto-botan"),
+         Backend {
+             name: "Botan",
+             production_ready: true,
+             constant_time: true,
+         }),
     ].into_iter().filter_map(|(selected, backend)| {
         if selected { Some(backend) } else { None }
     }).collect::<Vec<_>>();