C++ (Cpp) EVP_PKEY_CTX_set_dsa_paramgen_bits示例

示例#1

文件： dsa_pmeth.c 项目： AlexanderPankiv/node

static int pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx,
                             const char *type, const char *value)
{
    if (strcmp(type, "dsa_paramgen_bits") == 0) {
        int nbits;
        nbits = atoi(value);
        return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits);
    }
    if (strcmp(type, "dsa_paramgen_q_bits") == 0) {
        int qbits = atoi(value);
        return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN,
                                 EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits,
                                 NULL);
    }
    if (strcmp(type, "dsa_paramgen_md") == 0) {
        const EVP_MD *md = EVP_get_digestbyname(value);

        if (md == NULL) {
            DSAerr(DSA_F_PKEY_DSA_CTRL_STR, DSA_R_INVALID_DIGEST_TYPE);
            return 0;
        }
        return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN,
                                 EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0,
                                 (void *)md);
    }
    return -2;
}

示例#2

文件： dsa_pmeth.c 项目： Basskrapfen/openbsd

static int
pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, const char *value)
{
 	long lval;
	char *ep;

	if (!strcmp(type, "dsa_paramgen_bits")) {
		int nbits;

		errno = 0;
		lval = strtol(value, &ep, 10);
		if (value[0] == '\0' || *ep != '\0')
			goto not_a_number;
		if ((errno == ERANGE &&
		    (lval == LONG_MAX || lval == LONG_MIN)) ||
		    (lval > INT_MAX || lval < INT_MIN))
			goto out_of_range;
		nbits = lval;
		return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits);
	} else if (!strcmp(type, "dsa_paramgen_q_bits")) {
		int qbits;

		errno = 0;
		lval = strtol(value, &ep, 10);
		if (value[0] == '\0' || *ep != '\0')
			goto not_a_number;
		if ((errno == ERANGE &&
		    (lval == LONG_MAX || lval == LONG_MIN)) ||
		    (lval > INT_MAX || lval < INT_MIN))
			goto out_of_range;
		qbits = lval;
		return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA,
		    EVP_PKEY_OP_PARAMGEN, EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS,
		    qbits, NULL);
	} else if (!strcmp(type, "dsa_paramgen_md")) {
		return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA,
		    EVP_PKEY_OP_PARAMGEN, EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, 
		    (void *)EVP_get_digestbyname(value));
	}
not_a_number:
out_of_range:
	return -2;
}

示例#3

文件： dsa_pmeth.c 项目： 1Project/SafeBoardMessenger

static int pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx,
                             const char *type, const char *value)
{
    if (!strcmp(type, "dsa_paramgen_bits")) {
        int nbits;
        nbits = atoi(value);
        return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits);
    }
    if (!strcmp(type, "dsa_paramgen_q_bits")) {
        int qbits = atoi(value);
        return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN,
                                 EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits,
                                 NULL);
    }
    if (!strcmp(type, "dsa_paramgen_md")) {
        return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN,
                                 EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0,
                                 (void *)EVP_get_digestbyname(value));
    }
    return -2;
}