This function decrypts data that was previously encrypted using the openssl_encrypt() function. This is especially useful for converting encrypted data back into its original, readable form when it has been securely transmitted or stored.
Supported algorithms
aes-128-cbc, aes-128-cbc-hmac-sha1, aes-128-cbc-hmac-sha256, aes-128-ccm, aes-128-cfb, aes-128-cfb1, aes-128-cfb8, aes-128-ctr, aes-128-ecb, aes-128-gcm, aes-128-ocb, aes-128-ofb, aes-128-xts, aes-192-cbc, aes-192-ccm, aes-192-cfb, aes-192-cfb1, aes-192-cfb8, aes-192-ctr, aes-192-ecb, aes-192-gcm, aes-192-ocb, aes-192-ofb, aes-256-cbc, aes-256-cbc-hmac-sha1, aes-256-cbc-hmac-sha256, aes-256-ccm, aes-256-cfb, aes-256-cfb1, aes-256-cfb8, aes-256-ctr, aes-256-ecb, aes-256-gcm, aes-256-ocb, aes-256-ofb, aes-256-xts, aria-128-cbc, aria-128-ccm, aria-128-cfb, aria-128-cfb1, aria-128-cfb8, aria-128-ctr, aria-128-ecb, aria-128-gcm, aria-128-ofb, aria-192-cbc, aria-192-ccm, aria-192-cfb, aria-192-cfb1, aria-192-cfb8, aria-192-ctr, aria-192-ecb, aria-192-gcm, aria-192-ofb, aria-256-cbc, aria-256-ccm, aria-256-cfb, aria-256-cfb1, aria-256-cfb8, aria-256-ctr, aria-256-ecb, aria-256-gcm, aria-256-ofb, bf-cbc, bf-cfb, bf-ecb, bf-ofb, camellia-128-cbc, camellia-128-cfb, camellia-128-cfb1, camellia-128-cfb8, camellia-128-ctr, camellia-128-ecb, camellia-128-ofb, camellia-192-cbc, camellia-192-cfb, camellia-192-cfb1, camellia-192-cfb8, camellia-192-ctr, camellia-192-ecb, camellia-192-ofb, camellia-256-cbc, camellia-256-cfb, camellia-256-cfb1, camellia-256-cfb8, camellia-256-ctr, camellia-256-ecb, camellia-256-ofb, cast5-cbc, cast5-cfb, cast5-ecb, cast5-ofb, chacha20, chacha20-poly1305, des-cbc, des-cfb, des-cfb1, des-cfb8, des-ecb, des-ede, des-ede-cbc, des-ede-cfb, des-ede-ofb, des-ede3, des-ede3-cbc, des-ede3-cfb, des-ede3-cfb1, des-ede3-cfb8, des-ede3-ofb, des-ofb, desx-cbc, id-aes128-CCM, id-aes128-GCM, id-aes128-wrap, id-aes128-wrap-pad, id-aes192-CCM, id-aes192-GCM, id-aes192-wrap, id-aes192-wrap-pad, id-aes256-CCM, id-aes256-GCM, id-aes256-wrap, id-aes256-wrap-pad, id-smime-alg-CMS3DESwrap, idea-cbc, idea-cfb, idea-ecb, idea-ofb, rc2-40-cbc, rc2-64-cbc, rc2-cbc, rc2-cfb, rc2-ecb, rc2-ofb, rc4, rc4-40, rc4-hmac-md5, rc5-cbc, rc5-cfb, rc5-ecb, rc5-ofb, seed-cbc, seed-cfb, seed-ecb, seed-ofb