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authorgotoyuzo <gotoyuzo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-10-30 20:50:48 +0000
committergotoyuzo <gotoyuzo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-10-30 20:50:48 +0000
commitab509c0edb4d2631772018cebbbb5dd3c06b0582 (patch)
treee327e28367dca475e171b96faa2e314b4deb3b74 /ext/openssl/ossl_cipher.c
parentaa57e68b06852f69677a9c5fbf6c7937d18b77e2 (diff)
* ext/openssl/ossl_cipher.c (ossl_cipher_update): input data must
not be empty. [ruby-talk:161220] * test/openssl/test_cipher.rb: add test for Cipher#update(""). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/openssl/ossl_cipher.c')
-rw-r--r--ext/openssl/ossl_cipher.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/openssl/ossl_cipher.c b/ext/openssl/ossl_cipher.c
index f90fb24..bc72d7e 100644
--- a/ext/openssl/ossl_cipher.c
+++ b/ext/openssl/ossl_cipher.c
@@ -224,7 +224,8 @@ ossl_cipher_update(VALUE self, VALUE data)
StringValue(data);
in = RSTRING(data)->ptr;
- in_len = RSTRING(data)->len;
+ if ((in_len = RSTRING(data)->len) == 0)
+ rb_raise(rb_eArgError, "data must not be empty");
GetCipher(self, ctx);
str = rb_str_new(0, in_len+EVP_CIPHER_CTX_block_size(ctx));
if (!EVP_CipherUpdate(ctx, RSTRING(str)->ptr, &out_len, in, in_len))