Question in https://github.dev/tleonhardt/practical_cryptography_engineering/blob/master/aes_gcm.c

[goutham23]

I'm getting the below error code
mbedtls_gcm_setkey failed to set the key for AES cipher - returned -0x61 (MBEDTLS_ERR_CIPHER_ALLOC_FAILED)

In my project, I'm calling mbedtls_gcm_setkey, passed initialized gcm context which calls "mbedtls_cipher_setup"

Inside the "mbedtls_cipher_setup " API...
if( NULL == ( ctx->cipher_ctx = cipher_info->base->ctx_alloc_func() ) )
return( MBEDTLS_ERR_CIPHER_ALLOC_FAILED );

It fails here, I don't see ctx_alloc_func references in the repo, am i missing something?