feat: k-ap public API, no ap_ports

target/debug/build/aws-lc-sys-d0f86f651a15deee/out/include/openssl/hkdf.h

@@ -0,0 +1,59 @@
+// Copyright (c) 2014, Google Inc.
+// SPDX-License-Identifier: ISC
+
+#ifndef OPENSSL_HEADER_HKDF_H
+#define OPENSSL_HEADER_HKDF_H
+
+#include <openssl/base.h>
+#include <openssl/kdf.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+// HKDF.
+
+
+// HKDF computes HKDF (as specified by RFC 5869) of initial keying material
+// |secret| with |salt| and |info| using |digest|, and outputs |out_len| bytes
+// to |out_key|. It returns one on success and zero on error.
+//
+// HKDF is an Extract-and-Expand algorithm. It does not do any key stretching,
+// and as such, is not suited to be used alone to generate a key from a
+// password.
+OPENSSL_EXPORT int HKDF(uint8_t *out_key, size_t out_len, const EVP_MD *digest,
+                        const uint8_t *secret, size_t secret_len,
+                        const uint8_t *salt, size_t salt_len,
+                        const uint8_t *info, size_t info_len);
+
+// HKDF_extract computes a HKDF PRK (as specified by RFC 5869) from initial
+// keying material |secret| and salt |salt| using |digest|, and outputs
+// |out_len| bytes to |out_key|. The maximum output size is |EVP_MAX_MD_SIZE|.
+// It returns one on success and zero on error.
+//
+// WARNING: This function orders the inputs differently from RFC 5869
+// specification. Double-check which parameter is the secret/IKM and which is
+// the salt when using.
+OPENSSL_EXPORT int HKDF_extract(uint8_t *out_key, size_t *out_len,
+                                const EVP_MD *digest, const uint8_t *secret,
+                                size_t secret_len, const uint8_t *salt,
+                                size_t salt_len);
+
+// HKDF_expand computes a HKDF OKM (as specified by RFC 5869) of length
+// |out_len| from the PRK |prk| and info |info| using |digest|, and outputs
+// the result to |out_key|. It returns one on success and zero on error.
+OPENSSL_EXPORT int HKDF_expand(uint8_t *out_key, size_t out_len,
+                               const EVP_MD *digest, const uint8_t *prk,
+                               size_t prk_len, const uint8_t *info,
+                               size_t info_len);
+
+
+#if defined(__cplusplus)
+}  // extern C
+#endif
+
+#define HKDF_R_OUTPUT_TOO_LARGE 100
+#define HKDF_R_UNSUPPORTED_DIGEST 101
+
+#endif  // OPENSSL_HEADER_HKDF_H