crypto/subtle.ConstantTimeCompare
standard libraryThe 1190th most-called standard-library function by production calls. Called 561 times across 148 modules; 531 of those run outside tests and generated code.
- prod calls
- 531
- non-test, non-generated
- all calls
- 561
- total callsites
- modules
- 148
- distinct callers
- in loop
- 11%
- of prod calls
- in tests
- 3%
- 15 calls
- resolved
- 100%
- to a known target
resolution mix
How each call resolves
How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →
- Package function100%A direct call to an exported package function, resolved by type.
who calls this
Notable callers
Production calls into ConstantTimeCompare from notable Go projects. Open one on the map to see what else it hammers.
- Tailscale 22 4%
- Vault 19 4%
- MinIO 18 3%
- HashiCorp 14 3%
- Go (golang.org/x) 11 2%
where it's called
Callsites in the wild
12 representative callsites of 561, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
- in loop
-
filippo.io/age @v1.3.1
tag/internal/tagtest/tagtest.go:76
in loop - in loop
-
gitea.dev @v1.27.1
models/auth/access_token.go:131
in loop - in loop
- in loop
-
canopy-network/canopy @v0.1.21-0.20260804152417-f06389d8a755
in loop -
cloudflare/circl @v1.6.4
in loop -
dgrijalva/jwt-go/v4 @v4.0.0-preview1
in loop -
drand/kyber @v1.3.2
in loop
top callers
The modules that reach for it
The modules that call ConstantTimeCompare most in this snapshot.
- github.com/cloudflare/circl5710%
- github.com/sagernet/tailscale244%
- github.com/tailscale/tailscale244%
- tailscale.com244%
- github.com/hashicorp/vault193%