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-rw-r--r--package/libs/wolfssl/Makefile5
-rw-r--r--package/libs/wolfssl/patches/010-Make-RsaUnPad-constant-time-when-Block-Type-2-messag.patch562
-rw-r--r--package/libs/wolfssl/patches/020-Improve-nonce-use-in-ECC-mulmod.patch98
-rw-r--r--package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch4
4 files changed, 665 insertions, 4 deletions
diff --git a/package/libs/wolfssl/Makefile b/package/libs/wolfssl/Makefile
index a01a8949aa..6f29cd668d 100644
--- a/package/libs/wolfssl/Makefile
+++ b/package/libs/wolfssl/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=wolfssl
PKG_VERSION:=3.15.3-stable
-PKG_RELEASE:=1
+PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).zip
# PKG_SOURCE_URL:=https://www.wolfssl.com/
@@ -21,7 +21,8 @@ PKG_INSTALL:=1
PKG_USE_MIPS16:=0
PKG_BUILD_PARALLEL:=1
PKG_LICENSE:=GPL-2.0+
-PKG_CPE_ID:=cpe:/a:yassl:cyassl
+PKG_MAINTAINER:=Eneas U de Queiroz <cotequeiroz@gmail.com>
+PKG_CPE_ID:=cpe:/a:wolfssl:wolfssl
PKG_CONFIG_DEPENDS:=\
CONFIG_WOLFSSL_HAS_AES_CCM CONFIG_WOLFSSL_HAS_AES_GCM \
diff --git a/package/libs/wolfssl/patches/010-Make-RsaUnPad-constant-time-when-Block-Type-2-messag.patch b/package/libs/wolfssl/patches/010-Make-RsaUnPad-constant-time-when-Block-Type-2-messag.patch
new file mode 100644
index 0000000000..4a357a5dfb
--- /dev/null
+++ b/package/libs/wolfssl/patches/010-Make-RsaUnPad-constant-time-when-Block-Type-2-messag.patch
@@ -0,0 +1,562 @@
+From 278d54d95de9fa80b4ac9f6dd0f900841114ca8c Mon Sep 17 00:00:00 2001
+From: Sean Parkinson <sean@wolfssl.com>
+Date: Mon, 27 Aug 2018 10:16:40 +1000
+Subject: [PATCH] Make RsaUnPad constant time when Block Type 2 message
+
+(cherry picked from commit ab03f9291b040269ae21d33b9f01529ed8311728)
+[cherry-pick changes]
+Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
+
+--- a/src/internal.c
++++ b/src/internal.c
+@@ -24766,26 +24766,22 @@ static int DoSessionTicket(WOLFSSL* ssl,
+ * indistinguishable from correctly formatted RSA blocks
+ */
+
+- ret = args->lastErr;
+ args->lastErr = 0; /* reset */
+
+ /* build PreMasterSecret */
+ ssl->arrays->preMasterSecret[0] = ssl->chVersion.major;
+ ssl->arrays->preMasterSecret[1] = ssl->chVersion.minor;
+- if (ret == 0 && args->sigSz == SECRET_LEN &&
+- args->output != NULL) {
++ if (args->output != NULL) {
+ XMEMCPY(&ssl->arrays->preMasterSecret[VERSION_SZ],
+- &args->output[VERSION_SZ],
+- SECRET_LEN - VERSION_SZ);
++ &args->output[VERSION_SZ],
++ SECRET_LEN - VERSION_SZ);
+ }
+- else {
+- /* preMasterSecret has RNG and version set */
+- /* return proper length and ignore error */
+- /* error will be caught as decryption error */
+- args->sigSz = SECRET_LEN;
+- ret = 0;
+- }
+-
++ /* preMasterSecret has RNG and version set
++ * return proper length and ignore error
++ * error will be caught as decryption error
++ */
++ args->sigSz = SECRET_LEN;
++ ret = 0;
+ break;
+ } /* rsa_kea */
+ #endif /* !NO_RSA */
+--- a/src/tls.c
++++ b/src/tls.c
+@@ -1136,12 +1136,12 @@ static int Hmac_UpdateFinal_CT(Hmac* hma
+ else if (k < maxLen)
+ b = in[k - WOLFSSL_TLS_HMAC_INNER_SZ];
+
+- b = ctMaskSel(atEoc, b, 0x80);
++ b = ctMaskSel(atEoc, 0x80, b);
+ b &= ~pastEoc;
+ b &= ~isOutBlock | isEocBlock;
+
+ if (j >= blockSz - 8) {
+- b = ctMaskSel(isOutBlock, b, lenBytes[j - (blockSz - 8)]);
++ b = ctMaskSel(isOutBlock, lenBytes[j - (blockSz - 8)], b);
+ }
+
+ hashBlock[j] = b;
+--- a/wolfcrypt/src/integer.c
++++ b/wolfcrypt/src/integer.c
+@@ -321,6 +321,17 @@ int mp_to_unsigned_bin (mp_int * a, unsi
+ return res;
+ }
+
++int mp_to_unsigned_bin_len(mp_int * a, unsigned char *b, int c)
++{
++ int i, len;
++
++ len = mp_unsigned_bin_size(a);
++
++ /* pad front w/ zeros to match length */
++ for (i = 0; i < c - len; i++)
++ b[i] = 0x00;
++ return mp_to_unsigned_bin(a, b + i);
++}
+
+ /* creates "a" then copies b into it */
+ int mp_init_copy (mp_int * a, mp_int * b)
+--- a/wolfcrypt/src/misc.c
++++ b/wolfcrypt/src/misc.c
+@@ -341,10 +341,22 @@ STATIC INLINE byte ctMaskEq(int a, int b
+ return 0 - (a == b);
+ }
+
+-/* Constant time - select b when mask is set and a otherwise. */
++/* Constant time - mask set when a != b. */
++STATIC INLINE byte ctMaskNotEq(int a, int b)
++{
++ return 0 - (a != b);
++}
++
++/* Constant time - select a when mask is set and b otherwise. */
+ STATIC INLINE byte ctMaskSel(byte m, byte a, byte b)
+ {
+- return (a & ~m) | (b & m);
++ return (b & ~m) | (a & m);
++}
++
++/* Constant time - select integer a when mask is set and integer b otherwise. */
++STATIC INLINE int ctMaskSelInt(byte m, int a, int b)
++{
++ return (b & (~(int)(char)m)) | (a & ((int)(char)m));
+ }
+
+ /* Constant time - bit set when a <= b. */
+--- a/wolfcrypt/src/rsa.c
++++ b/wolfcrypt/src/rsa.c
+@@ -989,10 +989,8 @@ static int RsaUnPad_OAEP(byte *pkcsBlock
+ ret += pkcsBlock[idx++] ^ 0x01; /* separator value is 0x01 */
+ ret += pkcsBlock[0] ^ 0x00; /* Y, the first value, should be 0 */
+
+- if (ret != 0) {
+- WOLFSSL_MSG("RsaUnPad_OAEP: Padding Error");
+- return BAD_PADDING_E;
+- }
++ /* Return 0 data length on error. */
++ idx = ctMaskSelInt(ctMaskEq(ret, 0), idx, pkcsBlockLen);
+
+ /* adjust pointer to correct location in array and return size of M */
+ *output = (byte*)(pkcsBlock + idx);
+@@ -1078,48 +1076,60 @@ static int RsaUnPad_PSS(byte *pkcsBlock,
+ /* UnPad plaintext, set start to *output, return length of plaintext,
+ * < 0 on error */
+ static int RsaUnPad(const byte *pkcsBlock, unsigned int pkcsBlockLen,
+- byte **output, byte padValue)
++ byte **output, byte padValue)
+ {
+- word32 maxOutputLen = (pkcsBlockLen > 10) ? (pkcsBlockLen - 10) : 0;
+- word32 invalid = 0;
+- word32 i = 1;
+- word32 outputLen;
++ int ret;
++ word32 i;
++ byte invalid = 0;
+
+ if (output == NULL || pkcsBlockLen == 0) {
+ return BAD_FUNC_ARG;
+ }
+
+- if (pkcsBlock[0] != 0x0) { /* skip past zero */
+- invalid = 1;
+- }
+- pkcsBlock++; pkcsBlockLen--;
++ if (padValue == RSA_BLOCK_TYPE_1) {
++ /* First byte must be 0x00 and Second byte, block type, 0x01 */
++ if (pkcsBlock[0] != 0 || pkcsBlock[1] != RSA_BLOCK_TYPE_1) {
++ WOLFSSL_MSG("RsaUnPad error, invalid formatting");
++ return RSA_PAD_E;
++ }
+
+- /* Require block type padValue */
+- invalid = (pkcsBlock[0] != padValue) || invalid;
++ /* check the padding until we find the separator */
++ for (i = 2; i < pkcsBlockLen && pkcsBlock[i++] == 0xFF; ) { }
+
+- /* verify the padding until we find the separator */
+- if (padValue == RSA_BLOCK_TYPE_1) {
+- while (i<pkcsBlockLen && pkcsBlock[i++] == 0xFF) {/* Null body */}
+- }
+- else {
+- while (i<pkcsBlockLen && pkcsBlock[i++]) {/* Null body */}
+- }
++ /* Minimum of 11 bytes of pre-message data and must have separator. */
++ if (i < RSA_MIN_PAD_SZ || pkcsBlock[i-1] != 0) {
++ WOLFSSL_MSG("RsaUnPad error, bad formatting");
++ return RSA_PAD_E;
++ }
+
+- if (!(i==pkcsBlockLen || pkcsBlock[i-1]==0)) {
+- WOLFSSL_MSG("RsaUnPad error, bad formatting");
+- return RSA_PAD_E;
++ *output = (byte *)(pkcsBlock + i);
++ ret = pkcsBlockLen - i;
+ }
++ else {
++ word32 j;
++ byte pastSep = 0;
+
+- outputLen = pkcsBlockLen - i;
+- invalid = (outputLen > maxOutputLen) || invalid;
++ /* Decrypted with private key - unpad must be constant time. */
++ for (i = 0, j = 2; j < pkcsBlockLen; j++) {
++ /* Update i if not passed the separator and at separator. */
++ i |= (~pastSep) & ctMaskEq(pkcsBlock[j], 0x00) & (j + 1);
++ pastSep |= ctMaskEq(pkcsBlock[j], 0x00);
++ }
++
++ /* Minimum of 11 bytes of pre-message data - including leading 0x00. */
++ invalid |= ctMaskLT(i, RSA_MIN_PAD_SZ);
++ /* Must have seen separator. */
++ invalid |= ~pastSep;
++ /* First byte must be 0x00. */
++ invalid |= ctMaskNotEq(pkcsBlock[0], 0x00);
++ /* Check against expected block type: padValue */
++ invalid |= ctMaskNotEq(pkcsBlock[1], padValue);
+
+- if (invalid) {
+- WOLFSSL_MSG("RsaUnPad error, invalid formatting");
+- return RSA_PAD_E;
++ *output = (byte *)(pkcsBlock + i);
++ ret = ((int)~invalid) & (pkcsBlockLen - i);
+ }
+
+- *output = (byte *)(pkcsBlock + i);
+- return outputLen;
++ return ret;
+ }
+
+ /* helper function to direct unpadding
+@@ -1249,7 +1259,7 @@ static int wc_RsaFunctionSync(const byte
+ mp_int rnd, rndi;
+ #endif
+ int ret = 0;
+- word32 keyLen, len;
++ word32 keyLen;
+ #endif
+
+ #ifdef WOLFSSL_HAVE_SP_RSA
+@@ -1308,6 +1318,7 @@ static int wc_RsaFunctionSync(const byte
+ }
+ #endif
+
++#ifndef TEST_UNPAD_CONSTANT_TIME
+ if (mp_read_unsigned_bin(&tmp, (byte*)in, inLen) != MP_OKAY)
+ ERROR_OUT(MP_READ_E);
+
+@@ -1418,21 +1429,18 @@ static int wc_RsaFunctionSync(const byte
+ ERROR_OUT(RSA_BUFFER_E);
+ }
+
+- len = mp_unsigned_bin_size(&tmp);
+-
+- /* pad front w/ zeros to match key length */
+- while (len < keyLen) {
+- *out++ = 0x00;
+- len++;
+- }
+-
+ *outLen = keyLen;
+-
+- /* convert */
+- if (mp_to_unsigned_bin(&tmp, out) != MP_OKAY)
++ if (mp_to_unsigned_bin_len(&tmp, out, keyLen) != MP_OKAY)
+ ERROR_OUT(MP_TO_E);
+
+ done:
++#else
++ (void)type;
++ (void)key;
++ (void)keyLen;
++ XMEMCPY(out, in, inLen);
++ *outLen = inLen;
++#endif
+ mp_clear(&tmp);
+ #ifdef WC_RSA_BLINDING
+ if (type == RSA_PRIVATE_DECRYPT || type == RSA_PRIVATE_ENCRYPT) {
+@@ -1633,6 +1641,7 @@ int wc_RsaFunction(const byte* in, word3
+ }
+ #endif
+
++#ifndef TEST_UNPAD_CONSTANT_TIME
+ #ifndef NO_RSA_BOUNDS_CHECK
+ if (type == RSA_PRIVATE_DECRYPT &&
+ key->state == RSA_STATE_DECRYPT_EXPTMOD) {
+@@ -1667,6 +1676,7 @@ int wc_RsaFunction(const byte* in, word3
+ return ret;
+ }
+ #endif /* NO_RSA_BOUNDS_CHECK */
++#endif
+
+ #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_RSA)
+ if (key->asyncDev.marker == WOLFSSL_ASYNC_MARKER_RSA &&
+@@ -1880,7 +1890,8 @@ static int RsaPrivateDecryptEx(byte* in,
+
+ /* if not doing this inline then allocate a buffer for it */
+ if (outPtr == NULL) {
+- key->data = (byte*)XMALLOC(inLen, key->heap, DYNAMIC_TYPE_WOLF_BIGINT);
++ key->data = (byte*)XMALLOC(inLen, key->heap,
++ DYNAMIC_TYPE_WOLF_BIGINT);
+ key->dataIsAlloc = 1;
+ if (key->data == NULL) {
+ ret = MEMORY_E;
+@@ -1909,20 +1920,29 @@ static int RsaPrivateDecryptEx(byte* in,
+ ret = wc_RsaUnPad_ex(key->data, key->dataLen, &pad, pad_value, pad_type,
+ hash, mgf, label, labelSz, saltLen,
+ mp_count_bits(&key->n), key->heap);
+- if (ret > 0 && ret <= (int)outLen && pad != NULL) {
++ if (rsa_type == RSA_PUBLIC_DECRYPT && ret > (int)outLen)
++ ret = RSA_BUFFER_E;
++ else if (ret >= 0 && pad != NULL) {
++ char c;
++
+ /* only copy output if not inline */
+ if (outPtr == NULL) {
+- XMEMCPY(out, pad, ret);
++ word32 i, j;
++ int start = (int)((size_t)pad - (size_t)key->data);
++
++ for (i = 0, j = 0; j < key->dataLen; j++) {
++ out[i] = key->data[j];
++ c = ctMaskGTE(j, start);
++ c &= ctMaskLT(i, outLen);
++ /* 0 - no add, -1 add */
++ i += -c;
++ }
+ }
+- else {
++ else
+ *outPtr = pad;
+- }
+- }
+- else if (ret >= 0) {
+- ret = RSA_BUFFER_E;
+- }
+- if (ret < 0) {
+- break;
++
++ ret = ctMaskSelInt(ctMaskLTE(ret, outLen), ret, RSA_BUFFER_E);
++ ret = ctMaskSelInt(ctMaskNotEq(ret, 0), ret, RSA_BUFFER_E);
+ }
+
+ key->state = RSA_STATE_DECRYPT_RES;
+@@ -1934,12 +1954,14 @@ static int RsaPrivateDecryptEx(byte* in,
+ defined(HAVE_CAVIUM)
+ if (key->asyncDev.marker == WOLFSSL_ASYNC_MARKER_RSA &&
+ pad_type != WC_RSA_PSS_PAD) {
+- /* convert result */
+- byte* dataLen = (byte*)&key->dataLen;
+- ret = (dataLen[0] << 8) | (dataLen[1]);
++ if (ret > 0) {
++ /* convert result */
++ byte* dataLen = (byte*)&key->dataLen;
++ ret = (dataLen[0] << 8) | (dataLen[1]);
+
+- if (outPtr)
+- *outPtr = in;
++ if (outPtr)
++ *outPtr = in;
++ }
+ }
+ #endif
+ break;
+--- a/wolfcrypt/src/sp_int.c
++++ b/wolfcrypt/src/sp_int.c
+@@ -286,7 +286,8 @@ int sp_leading_bit(sp_int* a)
+ * The array must be large enough for encoded number - use mp_unsigned_bin_size
+ * to calculate the number of bytes required.
+ *
+- * a SP integer.
++ * a SP integer.
++ * out Array to put encoding into.
+ * returns MP_OKAY always.
+ */
+ int sp_to_unsigned_bin(sp_int* a, byte* out)
+@@ -305,6 +306,31 @@ int sp_to_unsigned_bin(sp_int* a, byte*
+ return MP_OKAY;
+ }
+
++/* Convert the big number to an array of bytes in big-endian format.
++ * The array must be large enough for encoded number - use mp_unsigned_bin_size
++ * to calculate the number of bytes required.
++ * Front-pads the output array with zeros make number the size of the array.
++ *
++ * a SP integer.
++ * out Array to put encoding into.
++ * outSz Size of the array.
++ * returns MP_OKAY always.
++ */
++int sp_to_unsigned_bin_len(sp_int* a, byte* out, int outSz)
++{
++ int i, j, b;
++
++ j = outSz - 1;
++ for (i=0; j>=0; i++) {
++ for (b = 0; b < SP_WORD_SIZE; b += 8) {
++ out[j--] = a->dp[i] >> b;
++ if (j < 0)
++ break;
++ }
++ }
++
++ return MP_OKAY;
++}
+ /* Ensure the data in the big number is zeroed.
+ *
+ * a SP integer.
+--- a/wolfcrypt/src/tfm.c
++++ b/wolfcrypt/src/tfm.c
+@@ -1964,6 +1964,48 @@ void fp_to_unsigned_bin(fp_int *a, unsig
+ fp_reverse (b, x);
+ }
+
++int fp_to_unsigned_bin_len(fp_int *a, unsigned char *b, int c)
++{
++#if DIGIT_BIT == 64 || DIGIT_BIT == 32
++ int i, j, x;
++
++ for (x=c-1,j=0,i=0; x >= 0; x--) {
++ b[x] = (unsigned char)(a->dp[i] >> j);
++ j += 8;
++ i += j == DIGIT_BIT;
++ j &= DIGIT_BIT - 1;
++ }
++
++ return FP_OKAY;
++#else
++ int x;
++#ifndef WOLFSSL_SMALL_STACK
++ fp_int t[1];
++#else
++ fp_int *t;
++#endif
++
++#ifdef WOLFSSL_SMALL_STACK
++ t = (fp_int*)XMALLOC(sizeof(fp_int), NULL, DYNAMIC_TYPE_TMP_BUFFER);
++ if (t == NULL)
++ return FP_MEM;
++#endif
++
++ fp_init_copy(t, a);
++
++ for (x = 0; x < c; x++) {
++ b[x] = (unsigned char) (t->dp[0] & 255);
++ fp_div_2d (t, 8, t, NULL);
++ }
++ fp_reverse (b, x);
++
++#ifdef WOLFSSL_SMALL_STACK
++ XFREE(t, NULL, DYNAMIC_TYPE_TMP_BUFFER);
++#endif
++ return FP_OKAY;
++#endif
++}
++
+ int fp_unsigned_bin_size(fp_int *a)
+ {
+ int size = fp_count_bits (a);
+@@ -2435,6 +2477,10 @@ int mp_to_unsigned_bin (mp_int * a, unsi
+ return MP_OKAY;
+ }
+
++int mp_to_unsigned_bin_len(mp_int * a, unsigned char *b, int c)
++{
++ return fp_to_unsigned_bin_len(a, b, c);
++}
+ /* reads a unsigned char array, assumes the msb is stored first [big endian] */
+ int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c)
+ {
+--- a/wolfssl/wolfcrypt/integer.h
++++ b/wolfssl/wolfcrypt/integer.h
+@@ -277,6 +277,7 @@ MP_API int mp_unsigned_bin_size(mp_int
+ MP_API int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c);
+ MP_API int mp_to_unsigned_bin_at_pos(int x, mp_int *t, unsigned char *b);
+ MP_API int mp_to_unsigned_bin (mp_int * a, unsigned char *b);
++MP_API int mp_to_unsigned_bin_len(mp_int * a, unsigned char *b, int c);
+ MP_API int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y);
+ /* end functions needed by Rsa */
+
+--- a/wolfssl/wolfcrypt/misc.h
++++ b/wolfssl/wolfcrypt/misc.h
+@@ -97,7 +97,9 @@ WOLFSSL_LOCAL byte ctMaskGTE(int a, int
+ WOLFSSL_LOCAL byte ctMaskLT(int a, int b);
+ WOLFSSL_LOCAL byte ctMaskLTE(int a, int b);
+ WOLFSSL_LOCAL byte ctMaskEq(int a, int b);
++WOLFSSL_LOCAL byte ctMaskNotEq(int a, int b);
+ WOLFSSL_LOCAL byte ctMaskSel(byte m, byte a, byte b);
++WOLFSSL_LOCAL int ctMaskSelInt(byte m, int a, int b);
+ WOLFSSL_LOCAL byte ctSetLTE(int a, int b);
+
+ #endif /* NO_INLINE */
+--- a/wolfssl/wolfcrypt/sp_int.h
++++ b/wolfssl/wolfcrypt/sp_int.h
+@@ -119,7 +119,8 @@ MP_API int sp_read_radix(sp_int* a, cons
+ MP_API int sp_cmp(sp_int* a, sp_int* b);
+ MP_API int sp_count_bits(sp_int* a);
+ MP_API int sp_leading_bit(sp_int* a);
+-MP_API int sp_to_unsigned_bin(sp_int* a, byte* in);
++MP_API int sp_to_unsigned_bin(sp_int* a, byte* out);
++MP_API int sp_to_unsigned_bin_len(sp_int* a, byte* out, int outSz);
+ MP_API void sp_forcezero(sp_int* a);
+ MP_API int sp_copy(sp_int* a, sp_int* b);
+ MP_API int sp_set(sp_int* a, sp_int_digit d);
+@@ -156,30 +157,31 @@ typedef sp_digit mp_digit;
+
+ #define mp_free(a)
+
+-#define mp_init sp_init
+-#define mp_init_multi sp_init_multi
+-#define mp_clear sp_clear
+-#define mp_read_unsigned_bin sp_read_unsigned_bin
+-#define mp_unsigned_bin_size sp_unsigned_bin_size
+-#define mp_read_radix sp_read_radix
+-#define mp_cmp sp_cmp
+-#define mp_count_bits sp_count_bits
+-#define mp_leading_bit sp_leading_bit
+-#define mp_to_unsigned_bin sp_to_unsigned_bin
+-#define mp_forcezero sp_forcezero
+-#define mp_copy sp_copy
+-#define mp_set sp_set
+-#define mp_iszero sp_iszero
+-#define mp_clamp sp_clamp
+-#define mp_grow sp_grow
+-#define mp_sub_d sp_sub_d
+-#define mp_cmp_d sp_cmp_d
+-#define mp_mod sp_mod
+-#define mp_zero sp_zero
+-#define mp_add_d sp_add_d
+-#define mp_lshd sp_lshd
+-#define mp_add sp_add
+-#define mp_isodd sp_isodd
++#define mp_init sp_init
++#define mp_init_multi sp_init_multi
++#define mp_clear sp_clear
++#define mp_read_unsigned_bin sp_read_unsigned_bin
++#define mp_unsigned_bin_size sp_unsigned_bin_size
++#define mp_read_radix sp_read_radix
++#define mp_cmp sp_cmp
++#define mp_count_bits sp_count_bits
++#define mp_leading_bit sp_leading_bit
++#define mp_to_unsigned_bin sp_to_unsigned_bin
++#define mp_to_unsigned_bin_len sp_to_unsigned_bin_len
++#define mp_forcezero sp_forcezero
++#define mp_copy sp_copy
++#define mp_set sp_set
++#define mp_iszero sp_iszero
++#define mp_clamp sp_clamp
++#define mp_grow sp_grow
++#define mp_sub_d sp_sub_d
++#define mp_cmp_d sp_cmp_d
++#define mp_mod sp_mod
++#define mp_zero sp_zero
++#define mp_add_d sp_add_d
++#define mp_lshd sp_lshd
++#define mp_add sp_add
++#define mp_isodd sp_isodd
+
+ #define MP_INT_DEFINED
+
+--- a/wolfssl/wolfcrypt/tfm.h
++++ b/wolfssl/wolfcrypt/tfm.h
+@@ -563,6 +563,7 @@ int fp_leading_bit(fp_int *a);
+ int fp_unsigned_bin_size(fp_int *a);
+ void fp_read_unsigned_bin(fp_int *a, const unsigned char *b, int c);
+ void fp_to_unsigned_bin(fp_int *a, unsigned char *b);
++int fp_to_unsigned_bin_len(fp_int *a, unsigned char *b, int c);
+ int fp_to_unsigned_bin_at_pos(int x, fp_int *t, unsigned char *b);
+
+ /*int fp_signed_bin_size(fp_int *a);*/
+@@ -686,6 +687,7 @@ MP_API int mp_unsigned_bin_size(mp_int
+ MP_API int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c);
+ MP_API int mp_to_unsigned_bin_at_pos(int x, mp_int *t, unsigned char *b);
+ MP_API int mp_to_unsigned_bin (mp_int * a, unsigned char *b);
++MP_API int mp_to_unsigned_bin_len(mp_int * a, unsigned char *b, int c);
+
+ MP_API int mp_sub_d(fp_int *a, fp_digit b, fp_int *c);
+ MP_API int mp_copy(fp_int* a, fp_int* b);
diff --git a/package/libs/wolfssl/patches/020-Improve-nonce-use-in-ECC-mulmod.patch b/package/libs/wolfssl/patches/020-Improve-nonce-use-in-ECC-mulmod.patch
new file mode 100644
index 0000000000..28ef4e48ad
--- /dev/null
+++ b/package/libs/wolfssl/patches/020-Improve-nonce-use-in-ECC-mulmod.patch
@@ -0,0 +1,98 @@
+From ba4d612892bf6e3aae9cca7edce2a6d6b43e3e22 Mon Sep 17 00:00:00 2001
+From: Sean Parkinson <sean@wolfssl.com>
+Date: Wed, 17 Jul 2019 08:26:02 +1000
+Subject: [PATCH] Improve nonce use in ECC mulmod
+
+(cherry picked from commit 483f6a5acd9808b405306661c121aa6407464dc2)
+
+--- a/wolfcrypt/src/ecc.c
++++ b/wolfcrypt/src/ecc.c
+@@ -2039,7 +2039,7 @@ int wc_ecc_mulmod_ex(mp_int* k, ecc_poin
+ #define M_POINTS 8
+ int first = 1, bitbuf = 0, bitcpy = 0, j;
+ #else
+- #define M_POINTS 3
++ #define M_POINTS 4
+ #endif
+
+ ecc_point *tG, *M[M_POINTS];
+@@ -2253,7 +2253,9 @@ int wc_ecc_mulmod_ex(mp_int* k, ecc_poin
+ mode = 0;
+ bitcnt = 1;
+ buf = 0;
+- digidx = get_digit_count(k) - 1;
++ digidx = get_digit_count(modulus) - 1;
++ /* The order MAY be 1 bit longer than the modulus. */
++ digidx += (modulus->dp[digidx] >> (DIGIT_BIT-1));
+
+ /* perform ops */
+ if (err == MP_OKAY) {
+@@ -2272,25 +2274,53 @@ int wc_ecc_mulmod_ex(mp_int* k, ecc_poin
+ i = (buf >> (DIGIT_BIT - 1)) & 1;
+ buf <<= 1;
+
+- if (mode == 0 && i == 0) {
++ if (mode == 0) {
++ mode = i;
+ /* timing resistant - dummy operations */
+ if (err == MP_OKAY)
+- err = ecc_projective_add_point(M[0], M[1], M[2], a, modulus,
++ err = ecc_projective_add_point(M[1], M[2], M[2], a, modulus,
+ mp);
++#ifdef WC_NO_CACHE_RESISTANT
+ if (err == MP_OKAY)
+- err = ecc_projective_dbl_point(M[1], M[2], a, modulus, mp);
+- if (err == MP_OKAY)
+- continue;
+- }
+-
+- if (mode == 0 && i == 1) {
+- mode = 1;
+- /* timing resistant - dummy operations */
+- if (err == MP_OKAY)
+- err = ecc_projective_add_point(M[0], M[1], M[2], a, modulus,
+- mp);
+- if (err == MP_OKAY)
+- err = ecc_projective_dbl_point(M[1], M[2], a, modulus, mp);
++ err = ecc_projective_dbl_point(M[2], M[3], a, modulus, mp);
++#else
++ /* instead of using M[i] for double, which leaks key bit to cache
++ * monitor, use M[2] as temp, make sure address calc is constant,
++ * keep M[0] and M[1] in cache */
++ if (err == MP_OKAY)
++ err = mp_copy((mp_int*)
++ ( ((wolfssl_word)M[0]->x & wc_off_on_addr[i^1]) +
++ ((wolfssl_word)M[1]->x & wc_off_on_addr[i])),
++ M[2]->x);
++ if (err == MP_OKAY)
++ err = mp_copy((mp_int*)
++ ( ((wolfssl_word)M[0]->y & wc_off_on_addr[i^1]) +
++ ((wolfssl_word)M[1]->y & wc_off_on_addr[i])),
++ M[2]->y);
++ if (err == MP_OKAY)
++ err = mp_copy((mp_int*)
++ ( ((wolfssl_word)M[0]->z & wc_off_on_addr[i^1]) +
++ ((wolfssl_word)M[1]->z & wc_off_on_addr[i])),
++ M[2]->z);
++ if (err == MP_OKAY)
++ err = ecc_projective_dbl_point(M[2], M[3], a, modulus, mp);
++ /* copy M[2] back to M[i] */
++ if (err == MP_OKAY)
++ err = mp_copy(M[2]->x,
++ (mp_int*)
++ ( ((wolfssl_word)M[0]->x & wc_off_on_addr[i^1]) +
++ ((wolfssl_word)M[1]->x & wc_off_on_addr[i])) );
++ if (err == MP_OKAY)
++ err = mp_copy(M[2]->y,
++ (mp_int*)
++ ( ((wolfssl_word)M[0]->y & wc_off_on_addr[i^1]) +
++ ((wolfssl_word)M[1]->y & wc_off_on_addr[i])) );
++ if (err == MP_OKAY)
++ err = mp_copy(M[2]->z,
++ (mp_int*)
++ ( ((wolfssl_word)M[0]->z & wc_off_on_addr[i^1]) +
++ ((wolfssl_word)M[1]->z & wc_off_on_addr[i])) );
++#endif
+ if (err == MP_OKAY)
+ continue;
+ }
diff --git a/package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch b/package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch
index f7756b11c6..66582cfc46 100644
--- a/package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch
+++ b/package/libs/wolfssl/patches/900-remove-broken-autoconf-macros.patch
@@ -1,7 +1,7 @@
--- a/configure.ac
+++ b/configure.ac
-@@ -4140,7 +4140,6 @@ AC_CONFIG_FILES([support/wolfssl.pc])
- AC_CONFIG_FILES([rpm/spec])
+@@ -4198,7 +4198,6 @@ AC_CONFIG_FILES([stamp-h], [echo timesta
+ AC_CONFIG_FILES([Makefile wolfssl/version.h wolfssl/options.h cyassl/options.h support/wolfssl.pc rpm/spec])
AX_CREATE_GENERIC_CONFIG
-AX_AM_JOBSERVER([yes])