[openssl-commits] [openssl] master update

[Kurt Roeckx]

The branch master has been updated
       via  ac38115c1a4fb61c66c2a8cd2a9800751828d328 (commit)
      from  c5f2810581380bc248279207a4c58a126047acd8 (commit)


- Log -----------------------------------------------------------------
commit ac38115c1a4fb61c66c2a8cd2a9800751828d328
Author: Kurt Roeckx <kurt at roeckx.be>
Date:   Sat Apr 18 12:50:25 2015 +0200

    Correctly check for export size limit
    
    40 bit ciphers are limited to 512 bit RSA, 56 bit ciphers to 1024 bit.
    
    Reviewed-by: Rich Salz <rsalz at openssl.org>

-----------------------------------------------------------------------

Summary of changes:
 crypto/x509/x509type.c | 3 ---
 include/openssl/evp.h  | 1 -
 ssl/s3_clnt.c          | 5 ++++-
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/crypto/x509/x509type.c b/crypto/x509/x509type.c
index bc93697..97e5bab 100644
--- a/crypto/x509/x509type.c
+++ b/crypto/x509/x509type.c
@@ -121,9 +121,6 @@ int X509_certificate_type(X509 *x, EVP_PKEY *pkey)
         }
     }
 
-    /* /8 because it's 1024 bits we look for, not bytes */
-    if (EVP_PKEY_size(pk) <= 1024 / 8)
-        ret |= EVP_PKT_EXP;
     if (pkey == NULL)
         EVP_PKEY_free(pk);
     return (ret);
diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index 2af823f..d5af5ed 100644
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -94,7 +94,6 @@
 # define EVP_PKS_RSA     0x0100
 # define EVP_PKS_DSA     0x0200
 # define EVP_PKS_EC      0x0400
-# define EVP_PKT_EXP     0x1000 /* <= 512 bit key */
 
 # define EVP_PKEY_NONE   NID_undef
 # define EVP_PKEY_RSA    NID_rsaEncryption
diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
index 46f9909..4977e9c 100644
--- a/ssl/s3_clnt.c
+++ b/ssl/s3_clnt.c
@@ -3324,6 +3324,7 @@ int ssl3_check_cert_and_algorithm(SSL *s)
     int i, idx;
     long alg_k, alg_a;
     EVP_PKEY *pkey = NULL;
+    int pkey_bits;
     SESS_CERT *sc;
 #ifndef OPENSSL_NO_RSA
     RSA *rsa;
@@ -3373,6 +3374,7 @@ int ssl3_check_cert_and_algorithm(SSL *s)
     }
 #endif
     pkey = X509_get_pubkey(sc->peer_pkeys[idx].x509);
+    pkey_bits = EVP_PKEY_bits(pkey);
     i = X509_certificate_type(sc->peer_pkeys[idx].x509, pkey);
     EVP_PKEY_free(pkey);
 
@@ -3418,7 +3420,8 @@ int ssl3_check_cert_and_algorithm(SSL *s)
 # endif
 #endif
 
-    if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && !has_bits(i, EVP_PKT_EXP)) {
+    if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) &&
+        pkey_bits > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) {
 #ifndef OPENSSL_NO_RSA
         if (alg_k & SSL_kRSA) {
             if (rsa == NULL