Lucas/otpcli
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Change totp to take a uint64_t instead of time_t

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Let the application deal with converting time_t to uint64_t. For TOTP,
it's just a counter.

While there, rename 'granularity' to 'step', as it's used in RFC 6238.
This commit is contained in:
Lucas 2020-06-14 16:48:14 +00:00
parent 9a5f0f724e
commit 22333c5d6e
2 changed files with 3 additions and 4 deletions
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4
otp.c
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@ -75,8 +75,8 @@ hotp(enum otp_hmac hmac, const void *key, size_t key_len, uint64_t counter,
} }
int32_t int32_t
totp(enum otp_hmac hmac, const void *key, size_t key_len, time_t t, totp(enum otp_hmac hmac, const void *key, size_t key_len, uint64_t t,
unsigned int granularity, unsigned int digits) unsigned int step, unsigned int digits)
{ {
return -1; return -1;
} }

3
otp.h
View File

@ -14,7 +14,6 @@
*/ */
#include <stdint.h> #include <stdint.h>
#include <time.h>
enum otp_hmac { enum otp_hmac {
OTP_HMAC_SHA1, OTP_HMAC_SHA1,
@ -23,5 +22,5 @@ enum otp_hmac {
}; };
int32_t hotp(enum otp_hmac, const void *, size_t, uint64_t, unsigned int); int32_t hotp(enum otp_hmac, const void *, size_t, uint64_t, unsigned int);
int32_t totp(enum otp_hmac, const void *, size_t, time_t, unsigned int, int32_t totp(enum otp_hmac, const void *, size_t, uint64_t, unsigned int,
unsigned int); unsigned int);