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Diffstat (limited to 'dev-libs/openssl/files/openssl-0.9.6i-blinding.patch')
-rw-r--r--dev-libs/openssl/files/openssl-0.9.6i-blinding.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/dev-libs/openssl/files/openssl-0.9.6i-blinding.patch b/dev-libs/openssl/files/openssl-0.9.6i-blinding.patch
new file mode 100644
index 000000000000..299ba83592fb
--- /dev/null
+++ b/dev-libs/openssl/files/openssl-0.9.6i-blinding.patch
@@ -0,0 +1,67 @@
+--- crypto/rsa/rsa_eay.c 30 Jan 2003 17:37:46 -0000 1.28.2.3
++++ crypto/rsa/rsa_eay.c 16 Mar 2003 10:34:13 -0000
+@@ -195,6 +195,25 @@
+ return(r);
+ }
+
++static int rsa_eay_blinding(RSA *rsa, BN_CTX *ctx)
++ {
++ int ret = 1;
++ CRYPTO_w_lock(CRYPTO_LOCK_RSA);
++ /* Check again inside the lock - the macro's check is racey */
++ if(rsa->blinding == NULL)
++ ret = RSA_blinding_on(rsa, ctx);
++ CRYPTO_w_unlock(CRYPTO_LOCK_RSA);
++ return ret;
++ }
++
++#define BLINDING_HELPER(rsa, ctx, err_instr) \
++ do { \
++ if(((rsa)->flags & RSA_FLAG_BLINDING) && \
++ ((rsa)->blinding == NULL) && \
++ !rsa_eay_blinding(rsa, ctx)) \
++ err_instr \
++ } while(0)
++
+ /* signing */
+ static int RSA_eay_private_encrypt(int flen, const unsigned char *from,
+ unsigned char *to, RSA *rsa, int padding)
+@@ -239,8 +258,8 @@
+ goto err;
+ }
+
+- if ((rsa->flags & RSA_FLAG_BLINDING) && (rsa->blinding == NULL))
+- RSA_blinding_on(rsa,ctx);
++ BLINDING_HELPER(rsa, ctx, goto err;);
++
+ if (rsa->flags & RSA_FLAG_BLINDING)
+ if (!BN_BLINDING_convert(&f,rsa->blinding,ctx)) goto err;
+
+@@ -318,8 +337,8 @@
+ goto err;
+ }
+
+- if ((rsa->flags & RSA_FLAG_BLINDING) && (rsa->blinding == NULL))
+- RSA_blinding_on(rsa,ctx);
++ BLINDING_HELPER(rsa, ctx, goto err;);
++
+ if (rsa->flags & RSA_FLAG_BLINDING)
+ if (!BN_BLINDING_convert(&f,rsa->blinding,ctx)) goto err;
+
+--- crypto/rsa/rsa_lib.c 30 Jan 2003 17:37:46 -0000 1.30.2.2
++++ crypto/rsa/rsa_lib.c 16 Mar 2003 10:34:13 -0000
+@@ -72,7 +72,13 @@
+
+ RSA *RSA_new(void)
+ {
+- return(RSA_new_method(NULL));
++ RSA *r=RSA_new_method(NULL);
++
++#ifndef OPENSSL_NO_FORCE_RSA_BLINDING
++ r->flags|=RSA_FLAG_BLINDING;
++#endif
++
++ return r;
+ }
+
+ void RSA_set_default_method(const RSA_METHOD *meth)