| 摘要 |
<p>A system (100) for contributing to a concatenation of a first string and a second string may include a communication unit to receive an encrypted representation (342) of a second share of the second string, the second string being identical to the second share of the second string combined with a first share of the second string and to send a rearranged representation (346) of the encrypted representation (342) of the second share of the second string to a second system (200). The system (100) may further include a processing unit to rearrange a representation (344) of the encrypted representation (342) of the second share of the second string using a length value of a first share of the first string, the first string being identical to the first share of the first string combined with a second share of the first string.
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