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provides very strong password digests using a combination of a\npeppered hash-based message authentication code (HMAC) and a salted adaptive\nkey derivation function like bcrypt.\n\nA digest of each password is generated using e.g. HMAC-SHA512 with a pepper--a\nvalue stored separately from the final digests--after which a bcrypt digest\nof the HMAC digest is generated. The bcrypt digest is saved in e.g. a database.\n\nWith this approach, you can ensure the safety of user passwords even if an\nSQL injection compromises the contents of your database's users table, or if\na weakness is found in e.g. bcrypt.\n\nThis approach is described on\nhttps://wiki.mozilla.org/WebAppSec/Secure_Coding_Guidelines#Password_Storage\n\ngo-hmaccrypt can be used safely by multiple goroutines.\n\n== Installation\n\ngo get github.com/pmylund/go-hmaccrypt\n\n== Documentation\n\ngo doc github.com/pmylund/go-hmaccrypt\nor http://go.pkgdoc.org/github.com/pmylund/go-hmaccrypt\n\n== Usage\n\nimport (\n\t\"crypto/sha512\"\n\t\"github.com/pmylund/go-hmaccrypt\"\n)\n\npepper := []byte(\"randomly generated sequence stored on disk or in the source\")\ncrypt := hmaccrypt.New(sha512.New, pepper)\n\npassword := []byte(\"f00b4r!\")\ndigest, err := crypt.Bcrypt(password, 10)\nif err != nil {\n\t...\n}\n// save the bcrypt digest in the database\n\nif err := crypt.BcryptCompare(digest, password); err == nil {\n\t// the password is a match\n\t...\n}\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpatrickmn%2Fgo-hmaccrypt","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpatrickmn%2Fgo-hmaccrypt","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpatrickmn%2Fgo-hmaccrypt/lists"}