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authorPali Rohár <pali.rohar@gmail.com>2015-11-22 01:02:57 (GMT)
committerJouni Malinen <j@w1.fi>2015-11-29 16:19:32 (GMT)
commit6bb6a9ce29c9eeeae8851b0cbcdc60ec98bb6fce (patch)
tree0ce9806d0ecf6b5be55764983339bbff9db8d02a
parentfdc16142642b702105bf769cbe95db3370690ff1 (diff)
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Add SHA384 and SHA512 implementations from LibTomCrypt library
These will be used with the internal TLS implementation to extend hash algorithm support for new certificates and TLS v1.2. Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
-rw-r--r--hostapd/Android.mk12
-rw-r--r--hostapd/Makefile12
-rw-r--r--src/crypto/Makefile4
-rw-r--r--src/crypto/crypto.h22
-rw-r--r--src/crypto/sha384-internal.c92
-rw-r--r--src/crypto/sha384_i.h23
-rw-r--r--src/crypto/sha512-internal.c264
-rw-r--r--src/crypto/sha512_i.h25
-rw-r--r--wpa_supplicant/Android.mk10
-rw-r--r--wpa_supplicant/Makefile10
10 files changed, 473 insertions, 1 deletions
diff --git a/hostapd/Android.mk b/hostapd/Android.mk
index 5885f2b..8670624 100644
--- a/hostapd/Android.mk
+++ b/hostapd/Android.mk
@@ -651,6 +651,8 @@ CONFIG_INTERNAL_SHA1=y
CONFIG_INTERNAL_MD4=y
CONFIG_INTERNAL_MD5=y
CONFIG_INTERNAL_SHA256=y
+CONFIG_INTERNAL_SHA384=y
+CONFIG_INTERNAL_SHA512=y
CONFIG_INTERNAL_RC4=y
CONFIG_INTERNAL_DH_GROUP5=y
endif
@@ -809,6 +811,16 @@ L_CFLAGS += -DCONFIG_SHA384
OBJS += src/crypto/sha384-prf.c
endif
+ifdef CONFIG_INTERNAL_SHA384
+L_CFLAGS += -DCONFIG_INTERNAL_SHA384
+OBJS += src/crypto/sha384-internal.c
+endif
+
+ifdef CONFIG_INTERNAL_SHA512
+L_CFLAGS += -DCONFIG_INTERNAL_SHA512
+OBJS += src/crypto/sha512-internal.c
+endif
+
ifdef NEED_DH_GROUPS
OBJS += src/crypto/dh_groups.c
endif
diff --git a/hostapd/Makefile b/hostapd/Makefile
index 67b025b..e5549f3 100644
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -644,6 +644,8 @@ CONFIG_INTERNAL_SHA1=y
CONFIG_INTERNAL_MD4=y
CONFIG_INTERNAL_MD5=y
CONFIG_INTERNAL_SHA256=y
+CONFIG_INTERNAL_SHA384=y
+CONFIG_INTERNAL_SHA512=y
CONFIG_INTERNAL_RC4=y
CONFIG_INTERNAL_DH_GROUP5=y
endif
@@ -804,6 +806,16 @@ CFLAGS += -DCONFIG_SHA384
OBJS += ../src/crypto/sha384-prf.o
endif
+ifdef CONFIG_INTERNAL_SHA384
+CFLAGS += -DCONFIG_INTERNAL_SHA384
+OBJS += ../src/crypto/sha384-internal.o
+endif
+
+ifdef CONFIG_INTERNAL_SHA512
+CFLAGS += -DCONFIG_INTERNAL_SHA512
+OBJS += ../src/crypto/sha512-internal.o
+endif
+
ifdef NEED_DH_GROUPS
OBJS += ../src/crypto/dh_groups.o
endif
diff --git a/src/crypto/Makefile b/src/crypto/Makefile
index 3e90350..d181e72 100644
--- a/src/crypto/Makefile
+++ b/src/crypto/Makefile
@@ -47,7 +47,9 @@ LIB_OBJS= \
sha256.o \
sha256-prf.o \
sha256-tlsprf.o \
- sha256-internal.o
+ sha256-internal.o \
+ sha384-internal.o \
+ sha512-internal.o
LIB_OBJS += crypto_internal.o
LIB_OBJS += crypto_internal-cipher.o
diff --git a/src/crypto/crypto.h b/src/crypto/crypto.h
index 534c4bd..42ac899 100644
--- a/src/crypto/crypto.h
+++ b/src/crypto/crypto.h
@@ -80,6 +80,28 @@ int sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
u8 *mac);
/**
+ * sha384_vector - SHA384 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 on failure
+ */
+int sha384_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac);
+
+/**
+ * sha512_vector - SHA512 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 on failure
+ */
+int sha512_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac);
+
+/**
* des_encrypt - Encrypt one block with DES
* @clear: 8 octets (in)
* @key: 7 octets (in) (no parity bits included)
diff --git a/src/crypto/sha384-internal.c b/src/crypto/sha384-internal.c
new file mode 100644
index 0000000..646f729
--- /dev/null
+++ b/src/crypto/sha384-internal.c
@@ -0,0 +1,92 @@
+/*
+ * SHA-384 hash implementation and interface functions
+ * Copyright (c) 2015, Pali Rohár <pali.rohar@gmail.com>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha384_i.h"
+#include "crypto.h"
+
+
+/**
+ * sha384_vector - SHA384 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 of failure
+ */
+int sha384_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac)
+{
+ struct sha384_state ctx;
+ size_t i;
+
+ sha384_init(&ctx);
+ for (i = 0; i < num_elem; i++)
+ if (sha384_process(&ctx, addr[i], len[i]))
+ return -1;
+ if (sha384_done(&ctx, mac))
+ return -1;
+ return 0;
+}
+
+
+/* ===== start - public domain SHA384 implementation ===== */
+
+/* This is based on SHA384 implementation in LibTomCrypt that was released into
+ * public domain by Tom St Denis. */
+
+#define CONST64(n) n ## ULL
+
+/**
+ Initialize the hash state
+ @param md The hash state you wish to initialize
+ @return CRYPT_OK if successful
+*/
+void sha384_init(struct sha384_state *md)
+{
+ md->curlen = 0;
+ md->length = 0;
+ md->state[0] = CONST64(0xcbbb9d5dc1059ed8);
+ md->state[1] = CONST64(0x629a292a367cd507);
+ md->state[2] = CONST64(0x9159015a3070dd17);
+ md->state[3] = CONST64(0x152fecd8f70e5939);
+ md->state[4] = CONST64(0x67332667ffc00b31);
+ md->state[5] = CONST64(0x8eb44a8768581511);
+ md->state[6] = CONST64(0xdb0c2e0d64f98fa7);
+ md->state[7] = CONST64(0x47b5481dbefa4fa4);
+}
+
+int sha384_process(struct sha384_state *md, const unsigned char *in,
+ unsigned long inlen)
+{
+ return sha512_process(md, in, inlen);
+}
+
+/**
+ Terminate the hash to get the digest
+ @param md The hash state
+ @param out [out] The destination of the hash (48 bytes)
+ @return CRYPT_OK if successful
+*/
+int sha384_done(struct sha384_state *md, unsigned char *out)
+{
+ unsigned char buf[64];
+
+ if (md->curlen >= sizeof(md->buf))
+ return -1;
+
+ if (sha512_done(md, buf) != 0)
+ return -1;
+
+ os_memcpy(out, buf, 48);
+ return 0;
+}
+
+/* ===== end - public domain SHA384 implementation ===== */
diff --git a/src/crypto/sha384_i.h b/src/crypto/sha384_i.h
new file mode 100644
index 0000000..a00253f
--- /dev/null
+++ b/src/crypto/sha384_i.h
@@ -0,0 +1,23 @@
+/*
+ * SHA-384 internal definitions
+ * Copyright (c) 2015, Pali Rohár <pali.rohar@gmail.com>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef SHA384_I_H
+#define SHA384_I_H
+
+#include "sha512_i.h"
+
+#define SHA384_BLOCK_SIZE SHA512_BLOCK_SIZE
+
+#define sha384_state sha512_state
+
+void sha384_init(struct sha384_state *md);
+int sha384_process(struct sha384_state *md, const unsigned char *in,
+ unsigned long inlen);
+int sha384_done(struct sha384_state *md, unsigned char *out);
+
+#endif /* SHA384_I_H */
diff --git a/src/crypto/sha512-internal.c b/src/crypto/sha512-internal.c
new file mode 100644
index 0000000..66ef331
--- /dev/null
+++ b/src/crypto/sha512-internal.c
@@ -0,0 +1,264 @@
+/*
+ * SHA-512 hash implementation and interface functions
+ * Copyright (c) 2015, Pali Rohár <pali.rohar@gmail.com>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha512_i.h"
+#include "crypto.h"
+
+
+/**
+ * sha512_vector - SHA512 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ * Returns: 0 on success, -1 of failure
+ */
+int sha512_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac)
+{
+ struct sha512_state ctx;
+ size_t i;
+
+ sha512_init(&ctx);
+ for (i = 0; i < num_elem; i++)
+ if (sha512_process(&ctx, addr[i], len[i]))
+ return -1;
+ if (sha512_done(&ctx, mac))
+ return -1;
+ return 0;
+}
+
+
+/* ===== start - public domain SHA512 implementation ===== */
+
+/* This is based on SHA512 implementation in LibTomCrypt that was released into
+ * public domain by Tom St Denis. */
+
+#define CONST64(n) n ## ULL
+
+/* the K array */
+static const u64 K[80] = {
+ CONST64(0x428a2f98d728ae22), CONST64(0x7137449123ef65cd),
+ CONST64(0xb5c0fbcfec4d3b2f), CONST64(0xe9b5dba58189dbbc),
+ CONST64(0x3956c25bf348b538), CONST64(0x59f111f1b605d019),
+ CONST64(0x923f82a4af194f9b), CONST64(0xab1c5ed5da6d8118),
+ CONST64(0xd807aa98a3030242), CONST64(0x12835b0145706fbe),
+ CONST64(0x243185be4ee4b28c), CONST64(0x550c7dc3d5ffb4e2),
+ CONST64(0x72be5d74f27b896f), CONST64(0x80deb1fe3b1696b1),
+ CONST64(0x9bdc06a725c71235), CONST64(0xc19bf174cf692694),
+ CONST64(0xe49b69c19ef14ad2), CONST64(0xefbe4786384f25e3),
+ CONST64(0x0fc19dc68b8cd5b5), CONST64(0x240ca1cc77ac9c65),
+ CONST64(0x2de92c6f592b0275), CONST64(0x4a7484aa6ea6e483),
+ CONST64(0x5cb0a9dcbd41fbd4), CONST64(0x76f988da831153b5),
+ CONST64(0x983e5152ee66dfab), CONST64(0xa831c66d2db43210),
+ CONST64(0xb00327c898fb213f), CONST64(0xbf597fc7beef0ee4),
+ CONST64(0xc6e00bf33da88fc2), CONST64(0xd5a79147930aa725),
+ CONST64(0x06ca6351e003826f), CONST64(0x142929670a0e6e70),
+ CONST64(0x27b70a8546d22ffc), CONST64(0x2e1b21385c26c926),
+ CONST64(0x4d2c6dfc5ac42aed), CONST64(0x53380d139d95b3df),
+ CONST64(0x650a73548baf63de), CONST64(0x766a0abb3c77b2a8),
+ CONST64(0x81c2c92e47edaee6), CONST64(0x92722c851482353b),
+ CONST64(0xa2bfe8a14cf10364), CONST64(0xa81a664bbc423001),
+ CONST64(0xc24b8b70d0f89791), CONST64(0xc76c51a30654be30),
+ CONST64(0xd192e819d6ef5218), CONST64(0xd69906245565a910),
+ CONST64(0xf40e35855771202a), CONST64(0x106aa07032bbd1b8),
+ CONST64(0x19a4c116b8d2d0c8), CONST64(0x1e376c085141ab53),
+ CONST64(0x2748774cdf8eeb99), CONST64(0x34b0bcb5e19b48a8),
+ CONST64(0x391c0cb3c5c95a63), CONST64(0x4ed8aa4ae3418acb),
+ CONST64(0x5b9cca4f7763e373), CONST64(0x682e6ff3d6b2b8a3),
+ CONST64(0x748f82ee5defb2fc), CONST64(0x78a5636f43172f60),
+ CONST64(0x84c87814a1f0ab72), CONST64(0x8cc702081a6439ec),
+ CONST64(0x90befffa23631e28), CONST64(0xa4506cebde82bde9),
+ CONST64(0xbef9a3f7b2c67915), CONST64(0xc67178f2e372532b),
+ CONST64(0xca273eceea26619c), CONST64(0xd186b8c721c0c207),
+ CONST64(0xeada7dd6cde0eb1e), CONST64(0xf57d4f7fee6ed178),
+ CONST64(0x06f067aa72176fba), CONST64(0x0a637dc5a2c898a6),
+ CONST64(0x113f9804bef90dae), CONST64(0x1b710b35131c471b),
+ CONST64(0x28db77f523047d84), CONST64(0x32caab7b40c72493),
+ CONST64(0x3c9ebe0a15c9bebc), CONST64(0x431d67c49c100d4c),
+ CONST64(0x4cc5d4becb3e42b6), CONST64(0x597f299cfc657e2a),
+ CONST64(0x5fcb6fab3ad6faec), CONST64(0x6c44198c4a475817)
+};
+
+/* Various logical functions */
+#define Ch(x,y,z) (z ^ (x & (y ^ z)))
+#define Maj(x,y,z) (((x | y) & z) | (x & y))
+#define S(x, n) ROR64c(x, n)
+#define R(x, n) (((x) & CONST64(0xFFFFFFFFFFFFFFFF)) >> ((u64) n))
+#define Sigma0(x) (S(x, 28) ^ S(x, 34) ^ S(x, 39))
+#define Sigma1(x) (S(x, 14) ^ S(x, 18) ^ S(x, 41))
+#define Gamma0(x) (S(x, 1) ^ S(x, 8) ^ R(x, 7))
+#define Gamma1(x) (S(x, 19) ^ S(x, 61) ^ R(x, 6))
+#ifndef MIN
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#endif
+
+#define ROR64c(x, y) \
+ ( ((((x) & CONST64(0xFFFFFFFFFFFFFFFF)) >> ((u64) (y) & CONST64(63))) | \
+ ((x) << ((u64) (64 - ((y) & CONST64(63)))))) & \
+ CONST64(0xFFFFFFFFFFFFFFFF))
+
+/* compress 1024-bits */
+static int sha512_compress(struct sha512_state *md, unsigned char *buf)
+{
+ u64 S[8], W[80], t0, t1;
+ int i;
+
+ /* copy state into S */
+ for (i = 0; i < 8; i++) {
+ S[i] = md->state[i];
+ }
+
+ /* copy the state into 1024-bits into W[0..15] */
+ for (i = 0; i < 16; i++)
+ W[i] = WPA_GET_BE64(buf + (8 * i));
+
+ /* fill W[16..79] */
+ for (i = 16; i < 80; i++) {
+ W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
+ W[i - 16];
+ }
+
+ /* Compress */
+ for (i = 0; i < 80; i++) {
+ t0 = S[7] + Sigma1(S[4]) + Ch(S[4], S[5], S[6]) + K[i] + W[i];
+ t1 = Sigma0(S[0]) + Maj(S[0], S[1], S[2]);
+ S[7] = S[6];
+ S[6] = S[5];
+ S[5] = S[4];
+ S[4] = S[3] + t0;
+ S[3] = S[2];
+ S[2] = S[1];
+ S[1] = S[0];
+ S[0] = t0 + t1;
+ }
+
+ /* feedback */
+ for (i = 0; i < 8; i++) {
+ md->state[i] = md->state[i] + S[i];
+ }
+
+ return 0;
+}
+
+
+/**
+ Initialize the hash state
+ @param md The hash state you wish to initialize
+ @return CRYPT_OK if successful
+*/
+void sha512_init(struct sha512_state *md)
+{
+ md->curlen = 0;
+ md->length = 0;
+ md->state[0] = CONST64(0x6a09e667f3bcc908);
+ md->state[1] = CONST64(0xbb67ae8584caa73b);
+ md->state[2] = CONST64(0x3c6ef372fe94f82b);
+ md->state[3] = CONST64(0xa54ff53a5f1d36f1);
+ md->state[4] = CONST64(0x510e527fade682d1);
+ md->state[5] = CONST64(0x9b05688c2b3e6c1f);
+ md->state[6] = CONST64(0x1f83d9abfb41bd6b);
+ md->state[7] = CONST64(0x5be0cd19137e2179);
+}
+
+
+/**
+ Process a block of memory though the hash
+ @param md The hash state
+ @param in The data to hash
+ @param inlen The length of the data (octets)
+ @return CRYPT_OK if successful
+*/
+int sha512_process(struct sha512_state *md, const unsigned char *in,
+ unsigned long inlen)
+{
+ unsigned long n;
+
+ if (md->curlen >= sizeof(md->buf))
+ return -1;
+
+ while (inlen > 0) {
+ if (md->curlen == 0 && inlen >= SHA512_BLOCK_SIZE) {
+ if (sha512_compress(md, (unsigned char *) in) < 0)
+ return -1;
+ md->length += SHA512_BLOCK_SIZE * 8;
+ in += SHA512_BLOCK_SIZE;
+ inlen -= SHA512_BLOCK_SIZE;
+ } else {
+ n = MIN(inlen, (SHA512_BLOCK_SIZE - md->curlen));
+ os_memcpy(md->buf + md->curlen, in, n);
+ md->curlen += n;
+ in += n;
+ inlen -= n;
+ if (md->curlen == SHA512_BLOCK_SIZE) {
+ if (sha512_compress(md, md->buf) < 0)
+ return -1;
+ md->length += 8 * SHA512_BLOCK_SIZE;
+ md->curlen = 0;
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+/**
+ Terminate the hash to get the digest
+ @param md The hash state
+ @param out [out] The destination of the hash (64 bytes)
+ @return CRYPT_OK if successful
+*/
+int sha512_done(struct sha512_state *md, unsigned char *out)
+{
+ int i;
+
+ if (md->curlen >= sizeof(md->buf))
+ return -1;
+
+ /* increase the length of the message */
+ md->length += md->curlen * CONST64(8);
+
+ /* append the '1' bit */
+ md->buf[md->curlen++] = (unsigned char) 0x80;
+
+ /* if the length is currently above 112 bytes we append zeros
+ * then compress. Then we can fall back to padding zeros and length
+ * encoding like normal.
+ */
+ if (md->curlen > 112) {
+ while (md->curlen < 128) {
+ md->buf[md->curlen++] = (unsigned char) 0;
+ }
+ sha512_compress(md, md->buf);
+ md->curlen = 0;
+ }
+
+ /* pad upto 120 bytes of zeroes
+ * note: that from 112 to 120 is the 64 MSB of the length. We assume
+ * that you won't hash > 2^64 bits of data... :-)
+ */
+ while (md->curlen < 120) {
+ md->buf[md->curlen++] = (unsigned char) 0;
+ }
+
+ /* store length */
+ WPA_PUT_BE64(md->buf + 120, md->length);
+ sha512_compress(md, md->buf);
+
+ /* copy output */
+ for (i = 0; i < 8; i++)
+ WPA_PUT_BE64(out + (8 * i), md->state[i]);
+
+ return 0;
+}
+
+/* ===== end - public domain SHA512 implementation ===== */
diff --git a/src/crypto/sha512_i.h b/src/crypto/sha512_i.h
new file mode 100644
index 0000000..1089589
--- /dev/null
+++ b/src/crypto/sha512_i.h
@@ -0,0 +1,25 @@
+/*
+ * SHA-512 internal definitions
+ * Copyright (c) 2015, Pali Rohár <pali.rohar@gmail.com>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef SHA512_I_H
+#define SHA512_I_H
+
+#define SHA512_BLOCK_SIZE 128
+
+struct sha512_state {
+ u64 length, state[8];
+ u32 curlen;
+ u8 buf[SHA512_BLOCK_SIZE];
+};
+
+void sha512_init(struct sha512_state *md);
+int sha512_process(struct sha512_state *md, const unsigned char *in,
+ unsigned long inlen);
+int sha512_done(struct sha512_state *md, unsigned char *out);
+
+#endif /* SHA512_I_H */
diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index 0b9cead..b02e734 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -1033,6 +1033,8 @@ CONFIG_INTERNAL_SHA1=y
CONFIG_INTERNAL_MD4=y
CONFIG_INTERNAL_MD5=y
CONFIG_INTERNAL_SHA256=y
+CONFIG_INTERNAL_SHA384=y
+CONFIG_INTERNAL_SHA512=y
CONFIG_INTERNAL_RC4=y
CONFIG_INTERNAL_DH_GROUP5=y
endif
@@ -1219,6 +1221,14 @@ SHA256OBJS += src/crypto/sha256-prf.c
ifdef CONFIG_INTERNAL_SHA256
SHA256OBJS += src/crypto/sha256-internal.c
endif
+ifdef CONFIG_INTERNAL_SHA384
+L_CFLAGS += -DCONFIG_INTERNAL_SHA384
+SHA256OBJS += src/crypto/sha384-internal.c
+endif
+ifdef CONFIG_INTERNAL_SHA512
+L_CFLAGS += -DCONFIG_INTERNAL_SHA512
+SHA256OBJS += src/crypto/sha512-internal.c
+endif
ifdef NEED_TLS_PRF_SHA256
SHA256OBJS += src/crypto/sha256-tlsprf.c
endif
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index 0789d43..c054246 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -1062,6 +1062,8 @@ CONFIG_INTERNAL_SHA1=y
CONFIG_INTERNAL_MD4=y
CONFIG_INTERNAL_MD5=y
CONFIG_INTERNAL_SHA256=y
+CONFIG_INTERNAL_SHA384=y
+CONFIG_INTERNAL_SHA512=y
CONFIG_INTERNAL_RC4=y
CONFIG_INTERNAL_DH_GROUP5=y
endif
@@ -1247,6 +1249,14 @@ SHA256OBJS += ../src/crypto/sha256-prf.o
ifdef CONFIG_INTERNAL_SHA256
SHA256OBJS += ../src/crypto/sha256-internal.o
endif
+ifdef CONFIG_INTERNAL_SHA384
+CFLAGS += -DCONFIG_INTERNAL_SHA384
+SHA256OBJS += ../src/crypto/sha384-internal.o
+endif
+ifdef CONFIG_INTERNAL_SHA512
+CFLAGS += -DCONFIG_INTERNAL_SHA512
+SHA256OBJS += ../src/crypto/sha512-internal.o
+endif
ifdef NEED_TLS_PRF_SHA256
SHA256OBJS += ../src/crypto/sha256-tlsprf.o
endif