libnvmf\_gen\_kxchap\_key(9) libnvme API manual libnvmf\_gen\_kxchap\_key(9)

# [NAME](#NAME)

libnvmf\_gen\_kxchap\_key - KX-HMAC-CHAP key generation

# [SYNOPSIS](#SYNOPSIS)

**int libnvmf\_gen\_kxchap\_key** **(struct libnvme\_global\_ctx \*ctx ,** **char \*hostnqn ,** **enum libnvmf\_hmac\_alg hmac ,** **unsigned int key\_len ,** **unsigned char \*secret ,** **unsigned char \*key );**

# [ARGUMENTS](#ARGUMENTS)

[ctx](#ctx)

struct libnvme\_global\_ctx object

[hostnqn](#hostnqn)

Host NVMe Qualified Name

[hmac](#hmac)

HMAC algorithm

[key\_len](#key_len)

Output key length

[secret](#secret)

Secret to used for digest

[key](#key)

Generated KX-HMAC-CHAP key

# [RETURN](#RETURN)

If key generation was successful the function returns 0 or a negative error code otherwise.

libnvmf\_gen\_kxchap\_key October 2026

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Document: libnvmf_gen_kxchap_key-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli