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Changed ECC_MAX_PAD_SZ to be overridable macro for rare case where user might require additional padding.

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This commit is contained in:
David Garske
2019-04-15 14:56:04 -07:00
parent 4ee4cb2068
commit 5bfc49f63f
1 changed files with 4 additions and 1 deletions
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5
wolfssl/wolfcrypt/ecc.h
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@ -105,6 +105,10 @@
#define MAX_ECC_BYTES ((MAX_ECC_BITS / 8) + 1)
#endif
#ifndef ECC_MAX_PAD_SZ
/* ECC maximum padding size (when MSB is set extra byte required for R and S) */
#define ECC_MAX_PAD_SZ 2
#endif
enum {
ECC_PUBLICKEY = 1,
@ -116,7 +120,6 @@ enum {
ECC_MINSIZE = 20, /* MIN Private Key size */
ECC_MAXSIZE = 66, /* MAX Private Key size */
ECC_MAXSIZE_GEN = 74, /* MAX Buffer size required when generating ECC keys*/
ECC_MAX_PAD_SZ = 2, /* ECC maximum padding size (when MSB is set extra byte required for R and S) */
ECC_MAX_OID_LEN = 16,
ECC_MAX_SIG_SIZE= ((MAX_ECC_BYTES * 2) + ECC_MAX_PAD_SZ + SIG_HEADER_SZ),