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Merge pull request #8651 from billphipps/fix_curve25519_enums

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Update to expose reasonable DER buffer sizes for Curve25519
This commit is contained in:
Sean Parkinson
2025-04-15 08:34:12 +10:00
committed by GitHub
parent 43e68add96 eca0318fe8
commit 9106d1275f
2 changed files with 8 additions and 2 deletions
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4
wolfcrypt/test/test.c
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@@ -35648,8 +35648,8 @@ static wc_test_ret_t curve255519_der_test(void)
0xA2, 0x5B, 0x38, 0xFD, 0x96, 0xDB, 0x2A, 0x26 0xA2, 0x5B, 0x38, 0xFD, 0x96, 0xDB, 0x2A, 0x26
}; };
curve25519_key key; curve25519_key key;
byte output[128]; byte output[CURVE25519_MAX_KEY_TO_DER_SZ];
word32 outputSz = 128; word32 outputSz = (word32)sizeof(output);
word32 idx; word32 idx;
ret = wc_curve25519_init_ex(&key, HEAP_HINT, devId); 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_KEYSIZE 32
#define CURVE25519_PUB_KEY_SIZE 32 #define CURVE25519_PUB_KEY_SIZE 32
enum {
CURVE25519_MAX_KEY_TO_DER_SZ = 82, /* for exported DER keys temp buffer */
WOLF_ENUM_DUMMY_LAST_ELEMENT(CURVE25519)
};
#ifdef WOLFSSL_NAMES_STATIC #ifdef WOLFSSL_NAMES_STATIC
typedef char curve25519_str[12]; typedef char curve25519_str[12];
#else #else