#define MESSAGE (const unsigned char *) "Message"

[JoeyB26]

#define MESSAGE (const unsigned char *) "Message"
#define MESSAGE_LEN 7
#define CIPHERTEXT_LEN (crypto_box_SEALBYTES + MESSAGE_LEN)

/* Recipient creates a long-term key pair */
unsigned char recipient_pk[crypto_box_PUBLICKEYBYTES];
unsigned char recipient_sk[crypto_box_SECRETKEYBYTES];
crypto_box_keypair(recipient_pk, recipient_sk);

/* Anonymous sender encrypts a message using an ephemeral key pair

• and the recipient's public key */
  unsigned char ciphertext[CIPHERTEXT_LEN];
  crypto_box_seal(ciphertext, MESSAGE, MESSAGE_LEN, recipient_pk);

/* Recipient decrypts the ciphertext /
unsigned char decrypted[MESSAGE_LEN];
if (crypto_box_seal_open(decrypted, ciphertext, CIPHERTEXT_LEN,
recipient_pk, recipient_sk) != 0) {
/ message corrupted or not intended for this recipient */

Originally posted by @JoeyB26 in JoeyB26/hello-github-actions#4 (comment)

Originally posted by @JoeyB26 in JoeyB26/hello-github-actions#8