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Merge pull request #4733 from JacobBarthelmeh/ECC 

include hmac for deterministic ecc sign build
pull/4799/head
David Garske 2022-01-26 10:01:46 -08:00 committed by GitHub
parent 25c6417f03 29513e1ec8
commit 9bbc5e07e6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 2 deletions
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12
wolfcrypt/src/ecc.c
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@ -197,6 +197,11 @@ ECC Curve Sizes:
#include <wolfssl/wolfcrypt/port/nxp/se050_port.h>
#endif
#if defined(WOLFSSL_ECDSA_DETERMINISTIC_K) || \
defined(WOLFSSL_ECDSA_DETERMINISTIC_K_VARIANT)
#include <wolfssl/wolfcrypt/hmac.h>
#endif
#if defined(WOLFSSL_SP_MATH) || defined(WOLFSSL_SP_MATH_ALL)
#define GEN_MEM_ERR MP_MEM
#elif defined(USE_FAST_MATH)
@ -6383,12 +6388,15 @@ int wc_ecc_gen_deterministic_k(const byte* hash, word32 hashSz,
* doing bits2octets(H(m)), when variant macro is used avoid this
* bits2octets operation */
if (mp_cmp(z1, order) == MP_GT) {
int z1Sz;
mp_sub(z1, order, z1);
h1len = mp_unsigned_bin_size(z1);
if (h1len < 0 || h1len > WC_MAX_DIGEST_SIZE) {
z1Sz = mp_unsigned_bin_size(z1);
if (z1Sz < 0 || z1Sz > WC_MAX_DIGEST_SIZE) {
ret = BUFFER_E;
}
else {
h1len = (word32)z1Sz;
ret = mp_to_unsigned_bin(z1, h1);
}
}