propagate from branch 'net.randombit.botan' (head 150bd11dd8090559ee1e83394b8283bf93a018de)

            to branch 'net.randombit.botan.c++0x' (head 7480693bb3f1e8a4e039a3e7ba3d9a7007f9730e)

2 files changed, 9 insertions, 3 deletions

diff --git a/src/passhash/bcrypt/bcrypt.cpp b/src/passhash/bcrypt/bcrypt.cpp
index bb2e9095a..b0d654717 100644
--- a/src/passhash/bcrypt/bcrypt.cpp
+++ b/src/passhash/bcrypt/bcrypt.cpp
@@ -112,8 +112,13 @@ std::string make_bcrypt(const std::string& pass,
 
    std::string salt_b64 = bcrypt_base64_encode(&salt[0], salt.size());
 
-   return "$2a$" + to_string(work_factor, 2) + "$" + salt_b64.substr(0, 22) +
-             bcrypt_base64_encode(&ctext[0], ctext.size() - 1);
+   std::string work_factor_str = std::to_string(work_factor);
+   if(work_factor_str.length() == 1)
+      work_factor_str = "0" + work_factor_str;
+
+   return "$2a$" + work_factor_str +
+          "$" + salt_b64.substr(0, 22) +
+          bcrypt_base64_encode(&ctext[0], ctext.size() - 1);
    }
 
 }
diff --git a/src/passhash/passhash9/passhash9.cpp b/src/passhash/passhash9/passhash9.cpp
index e1e37da1e..43bfdd36e 100644
--- a/src/passhash/passhash9/passhash9.cpp
+++ b/src/passhash/passhash9/passhash9.cpp
@@ -53,7 +53,8 @@ std::string generate_passhash9(const std::string& pass,
    MessageAuthenticationCode* prf = get_pbkdf_prf(alg_id);
 
    if(!prf)
-      throw Invalid_Argument("Passhash9: Algorithm id " + to_string(alg_id) +
+      throw Invalid_Argument("Passhash9: Algorithm id " +
+                             std::to_string(alg_id) +
                              " is not defined");
 
    PKCS5_PBKDF2 kdf(prf); // takes ownership of pointer