منابع مشابه
News and advice from RSA Laboratories Bulletin
Recent cryptanalytic results on the properties of three popular hash functions have raised questions about their security. This note summarizes these results, gives our assessment of their implications and offers our recommendations for product planners and developers who may be using these algorithms. 1. Introduction A hash function (or more accurately a cryptographic hash function or message-...
متن کاملNews and advice on data security and cryptography Bulletin
At a Eurocrypt rump session, Professor Adi Shamir of the Weizmann Institute announced the design for an unusual piece of hardware. This hardware, called “TWINKLE” (which stands for The Weizmann INstitute Key Locating Engine), is an electro-optical sieving device which will execute sieve-based factoring algorithms approximately two to three orders of magnitude as fast as a conventional fast PC. ...
متن کاملa critical discourse analysis of the new york times and the tehran times news articles, covering the u.s.-led war in afghanistan
تحقیق حاضر متون خبری روزنامه های نیویورک تایمز و تهران تایمز را به صورت تحلیل انتقادی کلامی مورد بررسی قرارمی دهدکه درمورد جنگ به رهبری آ مریکا در افغانستان است. هدف از این تحقیق نشان دادن تاثیر ایدیولوژی و نگرشهای نویسندگان متون خبری است که ممکن است پنهان باشد. برای انجام این تحقیق 20 متن خبری) از هر روزنامه 10 متن خبری) به صورت تصادفی از سایت اینترنتی روزنامه های نیویورک تایمز و تهران تایمز ا...
15 صفحه اولElectronic properties and surface reactivity of SrO-terminated SrTiO3 and SrO-terminated iron-doped SrTiO3
Surface reactivity and near-surface electronic properties of SrO-terminated SrTiO3 and iron doped SrTiO3 were studied with first principle methods. We have investigated the density of states (DOS) of bulk SrTiO3 and compared it to DOS of iron-doped SrTiO3 with different oxidation states of iron corresponding to varying oxygen vacancy content within the bulk material. The obtained bulk DOS was c...
متن کاملthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Renaissance and Reformation
سال: 1969
ISSN: 2293-7374,0034-429X
DOI: 10.33137/rr.v5i1.14045