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Update to expose reasonable DER buffer sizes for Curve448/25519

pull/8651/head
Bill Phipps 2025-04-08 15:17:54 -04:00
parent 6d299ea943
commit c3dbe29f21
4 changed files with 17 additions and 5 deletions
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6
tests/api/test_ed448.c
View File

@ -415,7 +415,7 @@ int test_wc_Ed448PublicKeyToDer(void)
#if defined(HAVE_ED448) && defined(HAVE_ED448_KEY_EXPORT) && \
(defined(WOLFSSL_CERT_GEN) || defined(WOLFSSL_KEY_GEN))
ed448_key key;
byte derBuf[1024];
byte derBuf[CURVE448_BUFSIZE];
XMEMSET(&key, 0, sizeof(ed448_key));
@ -458,7 +458,7 @@ int test_wc_Ed448KeyToDer(void)
EXPECT_DECLS;
#if defined(HAVE_ED448) && defined(HAVE_ED448_KEY_EXPORT) && \
(defined(WOLFSSL_CERT_GEN) || defined(WOLFSSL_KEY_GEN))
byte output[ONEK_BUF];
byte output[CURVE448_BUFSIZE];
ed448_key ed448Key;
WC_RNG rng;
word32 inLen;
@ -497,7 +497,7 @@ int test_wc_Ed448PrivateKeyToDer(void)
EXPECT_DECLS;
#if defined(HAVE_ED448) && defined(HAVE_ED448_KEY_EXPORT) && \
(defined(WOLFSSL_CERT_GEN) || defined(WOLFSSL_KEY_GEN))
byte output[ONEK_BUF];
byte output[CURVE448_BUFSIZE];
ed448_key ed448PrivKey;
WC_RNG rng;
word32 inLen;

4
wolfcrypt/test/test.c
View File

@ -35544,8 +35544,8 @@ static wc_test_ret_t curve255519_der_test(void)
0xA2, 0x5B, 0x38, 0xFD, 0x96, 0xDB, 0x2A, 0x26
};
curve25519_key key;
byte output[128];
word32 outputSz = 128;
byte output[CURVE25519_BUFSIZE];
word32 outputSz = (word32)sizeof(output);
word32 idx;
ret = wc_curve25519_init_ex(&key, HEAP_HINT, devId);

6
wolfssl/wolfcrypt/curve25519.h
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@ -45,6 +45,12 @@
#define CURVE25519_KEYSIZE 32
#define CURVE25519_PUB_KEY_SIZE 32
enum {
CURVE25519_BUFSIZE = 128, /* for exported DER keys temp buffer */
WOLF_ENUM_DUMMY_LAST_ELEMENT(CURVE25519)
};
#ifdef WOLFSSL_NAMES_STATIC
typedef char curve25519_str[12];
#else

6
wolfssl/wolfcrypt/curve448.h
View File

@ -43,6 +43,12 @@
#define CURVE448_KEY_SIZE 56
#define CURVE448_PUB_KEY_SIZE 56
enum {
CURVE448_BUFSIZE = 128, /* for DER exported keys temp buffer */
WOLF_ENUM_DUMMY_LAST_ELEMENT(CURVE448)
};
#ifndef WC_CURVE448KEY_TYPE_DEFINED
typedef struct curve448_key curve448_key;
#define WC_CURVE448KEY_TYPE_DEFINED