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Atbash Cipher
Atbash ( he, אתבש; also transliterated Atbaš) is a monoalphabetic substitution cipher originally used to encrypt the Hebrew alphabet. It can be modified for use with any known writing system with a standard collating order. Encryption The Atbash cipher is a particular type of monoalphabetic cipher formed by taking the alphabet (or abjad, syllabary, etc.) and mapping it to its reverse, so that the first letter becomes the last letter, the second letter becomes the second to last letter, and so on. For example, the Latin alphabet would work like this: Due to the fact that there is only one way to perform this, the Atbash cipher provides no communications security, as it lacks any sort of key. If multiple collating orders are available, which one was used in encryption can be used as a key, but this does not provide significantly more security, considering that only a few letters can give away which one was used. History The name derives from the first, last, secon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atbash
Atbash ( he, אתבש; also transliterated Atbaš) is a monoalphabetic substitution cipher originally used to encrypt the Hebrew alphabet. It can be modified for use with any known writing system with a standard collating order. Encryption The Atbash cipher is a particular type of monoalphabetic cipher formed by taking the alphabet (or abjad, syllabary, etc.) and mapping it to its reverse, so that the first letter becomes the last letter, the second letter becomes the second to last letter, and so on. For example, the Latin alphabet would work like this: Due to the fact that there is only one way to perform this, the Atbash cipher provides no communications security, as it lacks any sort of key. If multiple collating orders are available, which one was used in encryption can be used as a key, but this does not provide significantly more security, considering that only a few letters can give away which one was used. History The name derives from the first, last, secon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biblical
The Bible (from Koine Greek , , 'the books') is a collection of religious texts or scriptures that are held to be sacred in Christianity, Judaism, Samaritanism, and many other religions. The Bible is an anthologya compilation of texts of a variety of forms originally written in Hebrew, Aramaic, and Koine Greek. These texts include instructions, stories, poetry, and prophecies, among other genres. The collection of materials that are accepted as part of the Bible by a particular religious tradition or community is called a biblical canon. Believers in the Bible generally consider it to be a product of divine inspiration, but the way they understand what that means and interpret the text can vary. The religious texts were compiled by different religious communities into various official collections. The earliest contained the first five books of the Bible. It is called the Torah in Hebrew and the Pentateuch (meaning ''five books'') in Greek; the second oldest part was a col ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Classical Ciphers
Classical may refer to: European antiquity *Classical antiquity, a period of history from roughly the 7th or 8th century B.C.E. to the 5th century C.E. centered on the Mediterranean Sea *Classical architecture, architecture derived from Greek and Roman architecture of classical antiquity *Classical mythology, the body of myths from the ancient Greeks and Romans *Classical tradition, the reception of classical Greco-Roman antiquity by later cultures * Classics, study of the language and culture of classical antiquity, particularly its literature *Classicism, a high regard for classical antiquity in the arts Music and arts *Classical ballet, the most formal of the ballet styles * Classical music, a variety of Western musical styles from the 9th century to the present * Classical guitar, a common type of acoustic guitar *Classical Hollywood cinema, a visual and sound style in the American film industry between 1927 and 1963 * Classical Indian dance, various codified art forms whose t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ROT13
ROT13 ("rotate by 13 places", sometimes hyphenated ROT-13) is a simple letter substitution cipher that replaces a letter with the 13th letter after it in the alphabet. ROT13 is a special case of the Caesar cipher which was developed in ancient Rome. Because there are 26 letters (2×13) in the basic Latin alphabet, ROT13 is its own inverse; that is, to undo ROT13, the same algorithm is applied, so the same action can be used for encoding and decoding. The algorithm provides virtually no cryptographic security, and is often cited as a canonical example of weak encryption. ROT13 is used in online forums as a means of hiding spoilers, punchlines, puzzle solutions, and offensive materials from the casual glance. ROT13 has inspired a variety of letter and word games online, and is frequently mentioned in newsgroup conversations. Description Applying ROT13 to a piece of text merely requires examining its alphabetic characters and replacing each one by the letter 13 places further ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hebrew Language
Hebrew (; ; ) is a Northwest Semitic language of the Afroasiatic language family. Historically, it is one of the spoken languages of the Israelites and their longest-surviving descendants, the Jews and Samaritans. It was largely preserved throughout history as the main liturgical language of Judaism (since the Second Temple period) and Samaritanism. Hebrew is the only Canaanite language still spoken today, and serves as the only truly successful example of a dead language that has been revived. It is also one of only two Northwest Semitic languages still in use, with the other being Aramaic. The earliest examples of written Paleo-Hebrew date back to the 10th century BCE. Nearly all of the Hebrew Bible is written in Biblical Hebrew, with much of its present form in the dialect that scholars believe flourished around the 6th century BCE, during the time of the Babylonian captivity. For this reason, Hebrew has been referred to by Jews as ''Lashon Hakodesh'' (, ) since a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gematria
Gematria (; he, גמטריא or gimatria , plural or , ''gimatriot'') is the practice of assigning a numerical value to a name, word or phrase according to an alphanumerical cipher. A single word can yield several values depending on the cipher which is used. Hebrew alphanumeric ciphers were probably used in biblical times, and were later adopted by other cultures. Gematria is still widely used in Jewish culture. Similar systems have been used in other languages and cultures: the Greeks isopsephy, and later, derived from or inspired by Hebrew gematria, Arabic abjad numerals, and English gematria. Although a type of gematria system ('Aru') was employed by the ancient Babylonian culture, their writing script was logographic, and the numerical assignations they made were to whole words. The value of these words were assigned in an entirely arbitrary manner and correspondences were made through tables, and so cannot be considered a true form of gematria. Aru was very different ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Temurah (Kabbalah)
Temurah () is one of the three ancient methods used by Kabbalists to rearrange words and sentences in the Bible, in the belief that by this method they can derive the esoteric substratum and deeper spiritual meaning of the words (the others are Gematria and Notarikon). Temurah may be used to change letters in certain words to create a new meaning for a Biblical statement. The Hebrew alphabet is an ''Abjad'' or consonantary alphabet. Techniques that applied to English will mostly transform sense into a nonsensical series of letters are more feasible in Hebrew.Renaissance and Rebirth , Brian Ogren, Brill, p. 155, There are three simple forms of Temurah: *''Atbash'': Replacing the first letter with the last letter of the Hebrew alphabet, the second with the next-to-last, and so on. :א=ת, ב=ש, ג=ר, etc. *''Avgad'': Replacing each letter with the preceding letter. :א→ב, ב→ג, ג→ד *''Albam'': Replacing the first letter of the alphabe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Affine Cipher
The affine cipher is a type of monoalphabetic substitution cipher, where each letter in an alphabet is mapped to its numeric equivalent, encrypted using a simple mathematical function, and converted back to a letter. The formula used means that each letter encrypts to one other letter, and back again, meaning the cipher is essentially a standard substitution cipher with a rule governing which letter goes to which. As such, it has the weaknesses of all substitution ciphers. Each letter is enciphered with the function , where is the magnitude of the shift. Description Here, the letters of an alphabet of size are first mapped to the integers in the range . It then uses modular arithmetic to transform the integer that each plaintext letter corresponds to into another integer that correspond to a ciphertext letter. The encryption function for a single letter is :E(x)=(ax+b)\bmod where modulus is the size of the alphabet and and are the keys of the cipher. The value must be chosen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
David Zvi Hoffmann
David Zvi Hoffmann (November 24, 1843, Verbó, Austrian Empire – November 20, 1921, Berlin) (Hebrew: דוד צבי הופמן), was an Orthodox Rabbi and Torah Scholar. He headed the Yeshiva in Berlin, and published research on the Pentateuch and Mishna, both in reaction to erstwhile Biblical criticism. He is referred to as רד"צ הופמן - ''Radatz Hoffmann'' - in later Rabbinic writing. He was an expert in Midrash halakha and the foremost halakhic authority in Germany in his generation. He is well known for his strident literary opposition to the Graf-Wellhausen theories of Biblical origin, while on the other hand, he quotes prominent Wissenschaft figures in his researches on Mishnah and Talmud. His commentary on the Pentateuch is still often referred to. Education and career Born in Verbó in 1843, he attended various Yeshivas in his native town before he entered the college at Pressburg, from which he graduated in 1865. He then studied philosophy, history, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yom Tov Asevilli
Yom Tov ben Abraham of Seville ( 1260 – 1320; also Asevilli, Assevilli, Ashbili) commonly known by the Hebrew acronym Ritva, ( he, ריטב"א) was a medieval rabbi and rosh yeshiva of the Yeshiva of Seville, known for his commentaries on the Talmud. Biography Asevilli was born in the city of Seville, Spain around 1260. His name, ''Asevilli'' is itself a topographic surname that identifies him as being from Seville. He was the student of Solomon ibn Adret and Aaron ha-Levy. His works suggest that he spent some time studying in France. He spent most of his life in Zaragoza. He died between 1314 and 1328. He was the rabbi and head of the Yeshiva of Seville in Spain. Writings His commentary on the Talmud was collected and published as a novellae entitled ''Chiddushei Ha-Ritva''. It is one of the most frequently referred-to Talmudic commentators today. Assevilli wrote two versions of his commentary, first an extended one and then a concise one. In general only the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaldea
Chaldea () was a small country that existed between the late 10th or early 9th and mid-6th centuries BCE, after which the country and its people were absorbed and assimilated into the indigenous population of Babylonia. Semitic-speaking, it was located in the marshy land of the far southeastern corner of Mesopotamia and briefly came to rule Babylon. The Hebrew Bible uses the term (''Kaśdim'') and this is translated as ''Chaldaeans'' in the Greek Old Testament, although there is some dispute as to whether ''Kasdim'' in fact means ''Chaldean'' or refers to the south Mesopotamian ''Kaldu''. During a period of weakness in the East Semitic-speaking kingdom of Babylonia, new tribes of West Semitic-speaking migrants arrived in the region from the Levant between the 11th and 9th centuries BCE. The earliest waves consisted of Suteans and Arameans, followed a century or so later by the Kaldu, a group who became known later as the Chaldeans or the Chaldees. These migrations did not a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Babylon
''Bābili(m)'' * sux, 𒆍𒀭𒊏𒆠 * arc, 𐡁𐡁𐡋 ''Bāḇel'' * syc, ܒܒܠ ''Bāḇel'' * grc-gre, Βαβυλών ''Babylṓn'' * he, בָּבֶל ''Bāvel'' * peo, 𐎲𐎠𐎲𐎡𐎽𐎢 ''Bābiru'' * elx, 𒀸𒁀𒉿𒇷 ''Babili'' * Kassite: ''Karanduniash'', ''Karduniash'' , image = Street in Babylon.jpg , image_size=250px , alt = A partial view of the ruins of Babylon , caption = A partial view of the ruins of Babylon , map_type = Near East#West Asia#Iraq , relief = yes , map_alt = Babylon lies in the center of Iraq , coordinates = , location = Hillah, Babil Governorate, Iraq , region = Mesopotamia , type = Settlement , part_of = Babylonia , length = , width = , area = , height = , builder = , material = , built = , abandoned = , epochs = , cultures = Sumerian, Akkadian, Amorite, Kassite, Assyrian, Chaldean, Achaemenid, Hellenistic, Parthian, Sasanian, Muslim , dependency_of = , occupants = , event = , excavations = , archaeologists = Hormuzd Rassam, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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