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[oweals/openssl.git] / crypto / srp / srp_lib.c

diff --git a/crypto/srp/srp_lib.c b/crypto/srp/srp_lib.c
index 7c1dcc5111cfed5874b82d3962b8de4169545ff1..83d417a3084d69a51a055fd1538fc2ea2c73bfdc 100644 (file)
--- a/crypto/srp/srp_lib.c
+++ b/crypto/srp/srp_lib.c
@@ -89,6 +89,9 @@ static BIGNUM *srp_Calc_k(BIGNUM *N, BIGNUM *g)
        int longg ;
        int longN = BN_num_bytes(N);
 
+       if (BN_ucmp(g, N) >= 0)
+               return NULL;
+
        if ((tmp = OPENSSL_malloc(longN)) == NULL)
                return NULL;
        BN_bn2bin(N,tmp) ;
@@ -121,6 +124,9 @@ BIGNUM *SRP_Calc_u(BIGNUM *A, BIGNUM *B, BIGNUM *N)
        if ((A == NULL) ||(B == NULL) || (N == NULL))
                return NULL;
 
+       if (BN_ucmp(A, N) >= 0 || BN_ucmp(B, N) >= 0)
+               return NULL;
+
        longN= BN_num_bytes(N);
 
        if ((cAB = OPENSSL_malloc(2*longN)) == NULL)