#bleichenbacher
Live, measured metrics for the hashtag #bleichenbacher from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 16:33 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-27 16:33 UTCNo related tags with measured usage found for #bleichenbacher.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 16:33 UTCEverything below is measured over the latest 2 public posts (spanning ~0.9 hours).
Posting hours (UTC)
Languages: English (2)
Avg boosts / post: 1.5
Used together with
Top of the latest posts
And then I runtime-tested 27 RSA libraries for the same behavioral Bleichenbacher oracle. 12 open by default, 10 closed, 1 masked, 3 removed, 1 token-dependent. Self-contained v1.5 implementations leak it; what closes it is mostly OpenSSL ≥
A function that returns Ok on valid PKCS#1 v1.5 padding and Err on invalid is a Bleichenbacher padding oracle. With a ~300 line poc, the 1998 attack recovered plaintext in ~41.9k queries and forged a signature in ~107k queries for RSA-4096
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/bleichenbacher