Tag: integrity
Foreign Keys & Referential Integrity
PHP 5.0+
1
A foreign key is a column that references the primary key of another table, enforcing referential integrity — no orphaned rows pointing to non-existent parents.
6mo ago
Database intermediate
HMAC (Hash-based Message Authentication Code)
PHP 5.1+
2
A keyed hash that verifies both the integrity and authenticity of a message — only someone with the secret key can produce or verify it.
OWASP A2:2021
6mo ago
Security intermediate