RSA-240 (十進位 240 位數) 成功分解

在「RSA-240 Factored」這邊看到的,RSA-240 前幾天被解開了:

RSA-240 = 124620366781718784065835044608106590434820374651678805754818788883289666801188210855036039570272508747509864768438458621054865537970253930571891217684318286362846948405301614416430468066875699415246993185704183030512549594371372159029236099 = 509435952285839914555051023580843714132648382024111473186660296521821206469746700620316443478873837606252372049619334517 * 244624208838318150567813139024002896653802092578931401452041221336558477095178155258218897735030590669041302045908071447

有效長度是 795 bits,相較於十年前解出來的 RSA-768 (768 bits) 又多了「一些」。看了一下,算法上沒有太多突破,主要是硬體的發展與軟體的最佳化有進展...

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