X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fopenssl%2Frsagen.c;h=5c42ac5dd7b039bedd865847705c8d0c217cd506;hb=04b588ea6be2ebd62922b638eae90a6a47326370;hp=3a8c8ad2efbfba49524a567a5d93f148a2db787f;hpb=9b9230a0a79c670b86f54fadd2807b864ff9d91f;p=tinc diff --git a/src/openssl/rsagen.c b/src/openssl/rsagen.c index 3a8c8ad2..5c42ac5d 100644 --- a/src/openssl/rsagen.c +++ b/src/openssl/rsagen.c @@ -22,52 +22,80 @@ #include #include -#define __TINC_RSA_INTERNAL__ +#define TINC_RSA_INTERNAL typedef RSA rsa_t; #include "../logger.h" #include "../rsagen.h" +#include "../xalloc.h" /* This function prettyprints the key generation process */ -static void indicator(int a, int b, void *p) { - switch (a) { - case 0: - fprintf(stderr, "."); - break; +static int indicator(int a, int b, BN_GENCB *cb) { + (void)cb; - case 1: - fprintf(stderr, "+"); - break; + switch(a) { + case 0: + fprintf(stderr, "."); + break; - case 2: - fprintf(stderr, "-"); - break; + case 1: + fprintf(stderr, "+"); + break; - case 3: - switch (b) { - case 0: - fprintf(stderr, " p\n"); - break; + case 2: + fprintf(stderr, "-"); + break; - case 1: - fprintf(stderr, " q\n"); - break; + case 3: + switch(b) { + case 0: + fprintf(stderr, " p\n"); + break; - default: - fprintf(stderr, "?"); - } + case 1: + fprintf(stderr, " q\n"); break; default: fprintf(stderr, "?"); + } + + break; + + default: + fprintf(stderr, "?"); } + + return 1; } // Generate RSA key rsa_t *rsa_generate(size_t bits, unsigned long exponent) { - return RSA_generate_key(bits, exponent, indicator, NULL); + BIGNUM *bn_e = BN_new(); + rsa_t *rsa = RSA_new(); + BN_GENCB *cb = BN_GENCB_new(); + + if(!bn_e || !rsa || !cb) { + abort(); + } + + BN_set_word(bn_e, exponent); + BN_GENCB_set(cb, indicator, NULL); + + int result = RSA_generate_key_ex(rsa, bits, bn_e, cb); + + BN_GENCB_free(cb); + BN_free(bn_e); + + if(!result) { + fprintf(stderr, "Error during key generation!\n"); + RSA_free(rsa); + return NULL; + } + + return rsa; } // Write PEM RSA keys