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* 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/branches/ruby_1_8@9485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -224,7 +224,8 @@ ossl_cipher_update(VALUE self, VALUE data)
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StringValue(data);
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in = RSTRING(data)->ptr;
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in_len = RSTRING(data)->len;
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if ((in_len = RSTRING(data)->len) == 0)
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rb_raise(rb_eArgError, "data must not be empty");
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GetCipher(self, ctx);
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str = rb_str_new(0, in_len+EVP_CIPHER_CTX_block_size(ctx));
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if (!EVP_CipherUpdate(ctx, RSTRING(str)->ptr, &out_len, in, in_len))
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