A mask used to retrieve a revision of the SecureHashAlgorithm that corrects an unpublished flaw in SHA.
用于检索“安全哈希算法”修订版的掩码,该修订版更正了SHA中的一个未发布的错误。
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The way hashcash poses a challenge is by asking "minters" to produce strings (stamps) that when hashed with the SecureHashAlgorithm, SHA-1, have a number of leading zeros in their hash.