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Release 0.4.3
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cryptographic_functions/elgamal_calculations.py

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -416,9 +416,6 @@ def bsgs(public_key, print_matrix=False, print_linear_factorization=True):
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# Print calculation message
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print('Berechnung, bitte warten...', end='\r')
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419-
# Calculation of g_i
420-
g_i = modulo_inverse_multiplicative.mim(p, g, print_matrix, print_linear_factorization, 1)
421-
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# Calculation of m
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m = ceil(sqrt(p - 1))
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@@ -438,15 +435,18 @@ def bsgs(public_key, print_matrix=False, print_linear_factorization=True):
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# Removal of the calculation message
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print(' ' * len('Berechnung, bitte warten...'), end='\r')
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441-
# The value of p must be identical in both keys
438+
# Calculation of g_i
439+
g_i = modulo_inverse_multiplicative.mim(p, g, print_matrix, print_linear_factorization, 1)
440+
441+
# Check the local existence of d
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if not 'd' in locals():
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print(f'Der zum öffentlichen Schlüssel K(pub) = {{p, g, e}} = {{{p}, {g}, {e}}} zugehörige private Schlüssel '
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f'K(priv) = {{p, d}} konnte nicht mittels des Babystep-Giantstep-Algorithmus bestimmt werden.')
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return -1
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# Calculation path output
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print(
449-
f'Gegeben ist der öffentliche Schlüssel K(pub) = {{p, g, e}} = {{{p}, {g}, {e}}}. Unter Verwendung des'
449+
f'Gegeben ist der öffentliche Schlüssel K(pub) = {{p, g, e}} = {{{p}, {g}, {e}}}. Unter Verwendung des '
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f'Babystep-Giantstep-Algorithmus zur Berechnung des diskreten Logarithmus im endlichen Zahlenkörper wird '
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f'nachfolgend der private Schlüssel K(priv) = {{p, d}} bestimmt.', end='\n\n')
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print(

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