libnvmf\_export\_tls\_key(9) libnvme API manual libnvmf\_export\_tls\_key(9)

# [NAME](#NAME)

libnvmf\_export\_tls\_key - Encode a PSK in the PSK interchange format

# [SYNOPSIS](#SYNOPSIS)

**int libnvmf\_export\_tls\_key** **(struct libnvme\_global\_ctx \*ctx ,** **const unsigned char \*key\_data ,** **int key\_len ,** **char \*\*encoded\_keyp );**

# [ARGUMENTS](#ARGUMENTS)

[ctx](#ctx)

struct libnvme\_global\_ctx object

[key\_data](#key_data)

Raw PSK data

[key\_len](#key_len)

Length of *key\_data*

[encoded\_keyp](#encoded_keyp)

Encoded PSK to return

# [DESCRIPTION](#DESCRIPTION)

Returns *key\_data* in the PSK Interchange format as defined in section 3.6.1.5 of the NVMe TCP Transport Specification 1.3.

It is the responsibility of the caller to free the returned string.

# [RETURN](#RETURN)

0 on success, negative error code otherwise.

libnvmf\_export\_tls\_key October 2026

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