Hash is your utility to validate the check sum a file (file checksum). With “Hash” you calculate the hash of a file.
SHA1, SHA1_Init, SHA1_Update, SHA1_Final – Secure Hash Algorithm
RIPEMD160, RIPEMD160_Init, RIPEMD160_Update, RIPEMD160_Final –
RIPEMD-160 hash function
MD2, MD4, MD5, MD2_Init, MD2_Update, MD2_Final, MD4_Init, MD4_Update,
MD4_Final, MD5_Init, MD5_Update, MD5_Final – MD2, MD4, and MD5 hash