diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/rsa/rsa-mod-exp.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/rsa/rsa-mod-exp.c b/lib/rsa/rsa-mod-exp.c index a437cbe26f..78c688d14c 100644 --- a/lib/rsa/rsa-mod-exp.c +++ b/lib/rsa/rsa-mod-exp.c @@ -25,6 +25,14 @@ #define get_unaligned_be32(a) fdt32_to_cpu(*(uint32_t *)a) #define put_unaligned_be32(a, b) (*(uint32_t *)(b) = cpu_to_fdt32(a)) +static inline uint64_t fdt64_to_cpup(const void *p) +{ + fdt64_t w; + + memcpy(&w, p, sizeof(w)); + return fdt64_to_cpu(w); +} + /* Default public exponent for backward compatibility */ #define RSA_DEFAULT_PUBEXP 65537 @@ -263,8 +271,7 @@ int rsa_mod_exp_sw(const uint8_t *sig, uint32_t sig_len, if (!prop->public_exponent) key.exponent = RSA_DEFAULT_PUBEXP; else - rsa_convert_big_endian((uint32_t *)&key.exponent, - prop->public_exponent, 2); + key.exponent = fdt64_to_cpup(prop->public_exponent); if (!key.len || !prop->modulus || !prop->rr) { debug("%s: Missing RSA key info", __func__); |