/home/abui.../aes_ccm.h(3)

📦 version 1.5.0, in opensuse-leap 16.0

🦋 /home/abui.../aes_ccm.h(3) — your fave header, bestie

okay so this is a page from the Library Functions Manual, and it's literally all about /home/abuild/rpmbuild/BUILD/libzpc-legacy-1.5.0-build/libzpc-1.5.0/include/zpc/aes_ccm.h — the AES-CCM API. yes that whole path, no I'm not shortening it, it's iconic as-is 💅

✨ NAME ✨

/home/abuild/rpmbuild/BUILD/libzpc-legacy-1.5.0-build/libzpc-1.5.0/include/zpc/aes_ccm.h — AES-CCM API.

🎀 SYNOPSIS 🎀

💜 Functions

int zpc_aes_ccm_alloc (struct zpc_aes_ccm **ctx)
int zpc_aes_ccm_set_key (struct zpc_aes_ccm *ctx, struct zpc_aes_key
    *key)
int zpc_aes_ccm_set_iv (struct zpc_aes_ccm *ctx, const unsigned char
    *iv, size_t ivlen)
int zpc_aes_ccm_encrypt (struct zpc_aes_ccm *ctx, unsigned char *ct,
    unsigned char *mac, size_t maclen, const unsigned char *aad, size_t
    aadlen, const unsigned char *pt, size_t ptlen)
int zpc_aes_ccm_decrypt (struct zpc_aes_ccm *ctx, unsigned char *pt,
    const unsigned char *mac, size_t maclen, const unsigned char *aad,
    size_t aadlen, const unsigned char *ct, size_t ctlen)
void zpc_aes_ccm_free (struct zpc_aes_ccm **ctx)

🌸 Detailed Description 🌸

AES-CCM API. 🫶

So basically: this is the authenticated encryption API for the Advanced Encryption Standard (AES) block cipher [1], in Counter with CBC-MAC mode of operation [2]. like it encrypts and it authenticates, main character energy fr fr ✨

Definition in file aes_ccm.h.

👑 Function Documentation 👑

⭐ int zpc_aes_ccm_alloc (struct zpc_aes_ccm ** ctx)

Allocate a brand-new context for an AES-CCM operation. fresh start, new you 💖

Parameters

  • ctx — AES-CCM context

Returns

0 on success. Otherwise, a non-zero error code is returned. (so, yk, check it 🙈)

⭐ int zpc_aes_ccm_set_key (struct zpc_aes_ccm * ctx, struct zpc_aes_key * key)

Set the key to be used in the context of an AES-CCM operation. the key is the whole vibe, no cap 🔑

Parameters

  • ctx — AES-CCM context
  • key — AES key

Returns

0 on success. Otherwise, a non-zero error code is returned.

⭐ int zpc_aes_ccm_set_iv (struct zpc_aes_ccm * ctx, const unsigned char * iv, size_t ivlen)

Set the initialization vector to be used in the context of an AES-CCM operation. set the IV, slay the day 🌈

Parameters

  • ctx — AES-CCM context
  • iv — 7-13 byte initialization vector
  • ivlen — initialization vector length [bytes]

Returns

0 on success. Otherwise, a non-zero error code is returned.

heads up bestie: that IV is 7-13 bytes, not whatever you feel like 💀

⭐ int zpc_aes_ccm_encrypt (struct zpc_aes_ccm * ctx, unsigned char * ct, unsigned char * mac, size_t maclen, const unsigned char * aad, size_t aadlen, const unsigned char * pt, size_t ptlen)

Do an AES-CCM authenticated encryption operation. this is the glow-up step 🔥

Parameters

  • ctx — AES-CCM context
  • ct — ciphertext
  • mac — message authentication code
  • maclen — message authentication code length [bytes]
  • aad — additional authenticated data
  • aadlen — additional authenticated data length [bytes]
  • pt — plaintext
  • ptlen — plaintext length [bytes]

Returns

0 on success. Otherwise, a non-zero error code is returned.

⭐ int zpc_aes_ccm_decrypt (struct zpc_aes_ccm * ctx, unsigned char * pt, const unsigned char * mac, size_t maclen, const unsigned char * aad, size_t aadlen, const unsigned char * ct, size_t ctlen)

Do an AES-CCM authenticated decryption operation. reverse uno card 🦋

Parameters

  • ctx — AES-CCM context
  • pt — plaintext
  • mac — message authentication code
  • maclen — message authentication code length [bytes]
  • aad — additional authenticated data
  • aadlen — additional authenticated data length [bytes]
  • ct — ciphertext
  • ctlen — ciphertext length [bytes]

Returns

0 on success. Otherwise, a non-zero error code is returned.

⭐ void zpc_aes_ccm_free (struct zpc_aes_ccm ** ctx)

Free an AES-CCM context. clean up after yourself, we love a responsible icon 🧚

Parameters

  • ctx — AES-CCM context

💫 Author 💫

Generated automatically by Doxygen for libzpc from the source code. (not a human, but honestly? it ate 🎀)

aaand that's the whole page, bestie — mwah 💋

sign-off: this little legend came from libzpc, Version 1.4, for /home/abui.../aes_ccm.h(3) — go forth and encrypt responsibly, ily 🫶💖✨

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