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package aead
// seal_oneshot encrypts the plaintext and authenticates the aad and ciphertext,
// with the provided algorithm, key, and iv, stores the output in dst and tag.
//
// dst and plaintext MUST alias exactly or not at all.
seal_oneshot :: proc(algo: Algorithm, dst, tag, key, iv, aad, plaintext: []byte, impl: Implementation = nil) {
ctx: Context
init(&ctx, algo, key, impl)
defer reset(&ctx)
seal_ctx(&ctx, dst, tag, iv, aad, plaintext)
}
// open authenticates the aad and ciphertext, and decrypts the ciphertext,
// with the provided algorithm, key, iv, and tag, and stores the output in dst,
// returning true iff the authentication was successful. If authentication
// fails, the destination buffer will be zeroed.
//
// dst and ciphertext MUST alias exactly or not at all.
@(require_results)
open_oneshot :: proc(algo: Algorithm, dst, key, iv, aad, ciphertext, tag: []byte, impl: Implementation = nil) -> bool {
ctx: Context
init(&ctx, algo, key, impl)
defer reset(&ctx)
return open_ctx(&ctx, dst, iv, aad, ciphertext, tag)
}
seal :: proc {
seal_ctx,
seal_oneshot,
}
open :: proc {
open_ctx,
open_oneshot,
}
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