diff options
Diffstat (limited to 'src/noscrypt.c')
| -rw-r--r-- | src/noscrypt.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/src/noscrypt.c b/src/noscrypt.c index 4254ee2..c523262 100644 --- a/src/noscrypt.c +++ b/src/noscrypt.c @@ -442,6 +442,36 @@ Cleanup: /* * EXTERNAL API FUNCTIONS */ + + +NC_EXPORT NCResult NC_CC NCResultWithArgPosition(NCResult err, uint8_t argPosition) +{ + return -(((NCResult)argPosition << NC_ARG_POSITION_OFFSET) | -err); +} + + +NC_EXPORT int NC_CC NCParseErrorCode(NCResult result, uint8_t* argPositionOut) +{ + NCResult asPositive; + int code; + + /* convert result to a positive value*/ + asPositive = -result; + + /* Get the error code from the lower 8 bits and the argument position from the upper 8 bits*/ + code = -(asPositive & NC_ERROR_CODE_MASK); + *argPositionOut = (asPositive >> NC_ARG_POSITION_OFFSET) & 0xFF; + + return code; +} + +/* ============================= +* +* Context functions +* +* ============================= +*/ + NC_EXPORT uint32_t NC_CC NCGetContextStructSize(void) { return sizeof(NCContext); @@ -499,7 +529,13 @@ NC_EXPORT NCResult NC_CC NCDestroyContext(NCContext* ctx) return NC_SUCCESS; } -/* KEY Functions */ +/* ============================= +* +* ECDSA functions +* +* ============================= +*/ + NC_EXPORT NCResult NC_CC NCGetPublicKey( const NCContext* ctx, const NCSecretKey* sk, @@ -681,7 +717,12 @@ NC_EXPORT NCResult NC_CC NCVerifyData( return NCVerifyDigest(ctx, pk, digest, sig64); } -/* ECDH Functions */ +/* ============================= +* +* ECDH functions +* +* ============================= +*/ NC_EXPORT NCResult NC_CC NCGetSharedSecret( const NCContext* ctx, |