Unverified50% confidenceFactExact time
Early v2 hidden service addresses were only 16 characters long, generated based on RSA-1024 keys and SHA-1 hashing.
1
Sources
50%
Confidence
Long-term
Relevance
9/28/2026
First Seen
Sources
Related Entities
Related Claims
Unverified1Password uses PBKDF2-HMAC-SHA256 combined with a proprietary Secret Key mechanism, in which a 128-bit local key and the master password jointly participate in derivation.65% similarUnverifiedSHA-1 (Secure Hash Algorithm 1) was designed by the U.S. National Security Agency and outputs a fixed 160-bit (40 hexadecimal characters) hash value for input data of arbitrary length.63% similarUnverifiedk-匿名（k-anonymity）技术将用户密码进行 SHA-1 哈希后仅发送哈希值前 5 个字符到服务端进行前缀匹配，客户端在本地完成完整比对，从而不暴露实际密码或完整哈希63% similarUnverifiedv3 .onion addresses use an Ed25519 elliptic curve key pair, derived by taking the full public key, hashing it with SHA3-256, and encoding the result in Base32, yielding a 56-character address (including the checksum).61% similarUnverifiedEach key is processed through SHA-256 to generate a one-way fingerprint that cannot be reversed to recover the original key.61% similar
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