Search (6 results, page 1 of 1)

Pöppe, C.: Späte Rehabilitation des Data Encryption Standard (1993) 0.02

0.020472948 = product of:
  0.06141884 = sum of:
    0.025207756 = weight(_text_:und in 7582) [ClassicSimilarity], result of:
      0.025207756 = score(doc=7582,freq=2.0), product of:
        0.10294078 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.04644573 = queryNorm
        0.24487628 = fieldWeight in 7582, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.078125 = fieldNorm(doc=7582)
    0.03621108 = weight(_text_:der in 7582) [ClassicSimilarity], result of:
      0.03621108 = score(doc=7582,freq=4.0), product of:
        0.10374893 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.04644573 = queryNorm
        0.34902605 = fieldWeight in 7582, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.078125 = fieldNorm(doc=7582)
  0.33333334 = coord(2/6)

Abstract: Das gebräuchlichste Verschlüsselungsverfahren für den geheimen Datenverkehr hat einen großangelegten Versuch, es zu brechen, nicht nur im wesentlichen unbeschadet überstanden; es hat dadurch in der allgemeinen Einschätzung sogar an Vertrauenswürdigkeit gewonnen
Footnote: Beitrag zur Codierung und Kryptologie
Source: Spektrum der Wissenschaft. 1993, H.5, S.19-24

Pöppe, C.: Informationsgesellschaft und nachhaltige Entwicklung : Eine von der Bundesregierung eingesetzte Arbeitsgruppe hat erheblich weiter gedacht als so mancher Politiker (1998) 0.02

0.020472948 = product of:
  0.06141884 = sum of:
    0.025207756 = weight(_text_:und in 1574) [ClassicSimilarity], result of:
      0.025207756 = score(doc=1574,freq=2.0), product of:
        0.10294078 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.04644573 = queryNorm
        0.24487628 = fieldWeight in 1574, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.078125 = fieldNorm(doc=1574)
    0.03621108 = weight(_text_:der in 1574) [ClassicSimilarity], result of:
      0.03621108 = score(doc=1574,freq=4.0), product of:
        0.10374893 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.04644573 = queryNorm
        0.34902605 = fieldWeight in 1574, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.078125 = fieldNorm(doc=1574)
  0.33333334 = coord(2/6)

Source: Spektrum der Wissenschaft. 1998, H.8, S.107-109

Pöppe, C.: ¬Der Data Encryption Standard (1995) 0.01

0.008869869 = product of:
  0.05321921 = sum of:
    0.05321921 = weight(_text_:der in 886) [ClassicSimilarity], result of:
      0.05321921 = score(doc=886,freq=6.0), product of:
        0.10374893 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.04644573 = queryNorm
        0.5129615 = fieldWeight in 886, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.09375 = fieldNorm(doc=886)
  0.16666667 = coord(1/6)

Abstract: Das gebräuchlichste Verschlüsselungsverfahren für den geheimen Datenverkehr hat einen großangelegten Versuch, es zu brechen, nicht nur im wesentlichen unbeschadet überstanden; es hat dadurch in der allgemeinen Einschätzung sogar an Vertrauenswürdigkeit gewonnen
Series: Spektrum der Wissenschaft; Dossier 1

Pöppe, C.: Bienenwaben sind wirklich optimal (1999) 0.01

0.0072422167 = product of:
  0.0434533 = sum of:
    0.0434533 = weight(_text_:der in 4242) [ClassicSimilarity], result of:
      0.0434533 = score(doc=4242,freq=4.0), product of:
        0.10374893 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.04644573 = queryNorm
        0.4188313 = fieldWeight in 4242, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.09375 = fieldNorm(doc=4242)
  0.16666667 = coord(1/6)

Abstract: Nach dem Beweis der Keplerschen Vermutung hat Thomas Hales ein ebenso traditionsreiches, wenn auch nicht ganz so berühmtes Optimierungsproblem erledigt
Source: Spektrum der Wissenschaft. 1999, H.11, S.12-14

Pöppe, C.: Blitzkarriere im World Wide Web : die Programmiersprache Java (1996) 0.01

0.0051210206 = product of:
  0.030726122 = sum of:
    0.030726122 = weight(_text_:der in 4336) [ClassicSimilarity], result of:
      0.030726122 = score(doc=4336,freq=2.0), product of:
        0.10374893 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.04644573 = queryNorm
        0.29615843 = fieldWeight in 4336, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.09375 = fieldNorm(doc=4336)
  0.16666667 = coord(1/6)

Source: Spektrum der Wissenschaft. 1996, H.7, S.17-24

Pöppe, C.: ¬Die Geheimfolie (1998) 0.01

0.0051210206 = product of:
  0.030726122 = sum of:
    0.030726122 = weight(_text_:der in 1255) [ClassicSimilarity], result of:
      0.030726122 = score(doc=1255,freq=2.0), product of:
        0.10374893 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.04644573 = queryNorm
        0.29615843 = fieldWeight in 1255, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.09375 = fieldNorm(doc=1255)
  0.16666667 = coord(1/6)

Source: Spektrum der Wissenschaft. 1998, H.7, S.10-14