mirror of https://github.com/openssl/openssl
Add EVP demos for RSA-PSS signing and verification
Two demos are provided: one using RSA-PSS directly in which a digest must be provided, and one using RSA-PSS with the EVP_DigestSign APIs which performs the hashing for you. Fixes #14113. Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17800)
This commit is contained in:
parent
3dafeacef8
commit
e9492d1cec
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@ -43,3 +43,5 @@ pkwrite.c Add a password to an existing PKCS12 file.
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signature:
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EVP_Signature_demo.c Compute and verify a signature from multiple buffers
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rsa_pss_direct.c Compute and verify an RSA-PSS signature from a hash
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rsa_pss_hash.c Compute and verify an RSA-PSS signature over a buffer
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@ -3,18 +3,20 @@
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#
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# LD_LIBRARY_PATH=../.. ./EVP_Signature_demo
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CFLAGS = -I../../include -g
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CFLAGS = -I../../include -g -Wall
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LDFLAGS = -L../..
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LDLIBS = -lcrypto
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all: EVP_Signature_demo
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all: EVP_Signature_demo rsa_pss_direct rsa_pss_hash
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%.o: %.c
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$(CC) $(CFLAGS) -c $<
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EVP_Signature_demo: EVP_Signature_demo.o
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rsa_pss_direct: rsa_pss_direct.o
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rsa_pss_hash: rsa_pss_hash.o
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test: ;
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clean:
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$(RM) *.o EVP_Signature_demo
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$(RM) *.o EVP_Signature_demo rsa_pss_direct rsa_pss_hash
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@ -0,0 +1,256 @@
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/*-
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* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/* 4096-bit RSA private key, DER. */
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static const unsigned char rsa_priv_key[] = {
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0x30, 0x82, 0x09, 0x28, 0x02, 0x01, 0x00, 0x02, 0x82, 0x02, 0x01, 0x00,
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0xa3, 0x14, 0xe4, 0xb8, 0xd8, 0x58, 0x0d, 0xab, 0xd7, 0x87, 0xa4, 0xf6,
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0x84, 0x51, 0x74, 0x60, 0x4c, 0xe3, 0x60, 0x28, 0x89, 0x49, 0x65, 0x18,
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0x5c, 0x8f, 0x1a, 0x1b, 0xe9, 0xdb, 0xc1, 0xc1, 0xf7, 0x08, 0x27, 0x44,
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0xe5, 0x9d, 0x9a, 0x33, 0xc3, 0xac, 0x5a, 0xca, 0xba, 0x20, 0x5a, 0x9e,
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0x3a, 0x18, 0xb5, 0x3d, 0xe3, 0x9d, 0x94, 0x58, 0xa7, 0xa9, 0x5a, 0x0b,
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0x4f, 0xb8, 0xe5, 0xa3, 0x7b, 0x01, 0x11, 0x0f, 0x16, 0x11, 0xb8, 0x65,
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0x2f, 0xa8, 0x95, 0xf7, 0x58, 0x2c, 0xec, 0x1d, 0x41, 0xad, 0xd1, 0x12,
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0xca, 0x4a, 0x80, 0x35, 0x35, 0x43, 0x7e, 0xe0, 0x97, 0xfc, 0x86, 0x8f,
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0xcf, 0x4b, 0xdc, 0xbc, 0x15, 0x2c, 0x8e, 0x90, 0x84, 0x26, 0x83, 0xc1,
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0x96, 0x97, 0xf4, 0xd7, 0x90, 0xce, 0xfe, 0xd4, 0xf3, 0x70, 0x22, 0xa8,
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0xb0, 0x1f, 0xed, 0x08, 0xd7, 0xc5, 0xc0, 0xd6, 0x41, 0x6b, 0x24, 0x68,
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0x5c, 0x07, 0x1f, 0x44, 0x97, 0xd8, 0x6e, 0x18, 0x93, 0x67, 0xc3, 0xba,
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0x3a, 0xaf, 0xfd, 0xc2, 0x65, 0x00, 0x21, 0x63, 0xdf, 0xb7, 0x28, 0x68,
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0xd6, 0xc0, 0x20, 0x86, 0x92, 0xed, 0x68, 0x6a, 0x27, 0x3a, 0x07, 0xec,
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0x66, 0x00, 0xfe, 0x51, 0x51, 0x86, 0x41, 0x6f, 0x83, 0x69, 0xd2, 0xf0,
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0xe6, 0xf7, 0x61, 0xda, 0x12, 0x45, 0x53, 0x09, 0xdf, 0xf8, 0x42, 0xc7,
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0x30, 0x6a, 0xe5, 0xd8, 0x2b, 0xa2, 0x49, 0x7a, 0x05, 0x10, 0xee, 0xb2,
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0x59, 0x0a, 0xe5, 0xbe, 0xf8, 0x4d, 0x0f, 0xa8, 0x9e, 0x63, 0x81, 0x39,
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0x32, 0xaa, 0xfd, 0xa8, 0x03, 0xf6, 0xd8, 0xc6, 0xaa, 0x02, 0x93, 0x03,
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0xeb, 0x15, 0xd3, 0x38, 0xc8, 0x1a, 0x78, 0xcf, 0xf3, 0xa7, 0x9f, 0x98,
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0x4b, 0x91, 0x5b, 0x79, 0xf8, 0x4e, 0x53, 0xaf, 0x0c, 0x65, 0xe9, 0xb0,
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0x93, 0xc2, 0xcb, 0x5d, 0x3c, 0x5f, 0x6e, 0x39, 0xd2, 0x58, 0x23, 0x50,
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0xe5, 0x2e, 0xef, 0x12, 0x00, 0xa4, 0x59, 0x13, 0x2b, 0x2f, 0x2c, 0x0a,
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0x7b, 0x36, 0x89, 0xc5, 0xe5, 0x8f, 0x95, 0x5e, 0x14, 0x0f, 0x0f, 0x94,
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0x5a, 0xe9, 0xdc, 0x0b, 0x49, 0x14, 0xbe, 0x0a, 0x70, 0x45, 0xc1, 0x7c,
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0xbf, 0x83, 0x70, 0xfd, 0x3d, 0x99, 0xe6, 0x8a, 0xf5, 0x9c, 0x09, 0x71,
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0x84, 0x9a, 0x18, 0xa0, 0xe0, 0x6c, 0x43, 0x5c, 0x7e, 0x48, 0x33, 0xc8,
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0xbe, 0x5d, 0xdd, 0xd8, 0x77, 0xe3, 0xe7, 0x6b, 0x34, 0x4b, 0xa2, 0xb7,
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0x54, 0x07, 0x72, 0x2e, 0xab, 0xa9, 0x91, 0x1e, 0x4b, 0xe3, 0xb5, 0xd8,
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0xfa, 0x35, 0x64, 0x8a, 0xe9, 0x03, 0xa1, 0xa8, 0x26, 0xbd, 0x72, 0x58,
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0x10, 0x6a, 0xec, 0x1a, 0xf6, 0x1e, 0xb8, 0xc0, 0x46, 0x19, 0x31, 0x2c,
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0xca, 0xf9, 0x6a, 0xd7, 0x2e, 0xd0, 0xa7, 0x2c, 0x60, 0x58, 0xc4, 0x8f,
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0x46, 0x63, 0x61, 0x8d, 0x29, 0x6f, 0xe2, 0x5f, 0xe2, 0x43, 0x90, 0x9c,
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0xe6, 0xfc, 0x08, 0x41, 0xc8, 0xb5, 0x23, 0x56, 0x24, 0x3e, 0x3a, 0x2c,
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0x41, 0x22, 0x43, 0xda, 0x22, 0x15, 0x2b, 0xad, 0xd0, 0xfa, 0xc8, 0x47,
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0x44, 0xe6, 0x2a, 0xf9, 0x38, 0x90, 0x13, 0x62, 0x22, 0xea, 0x06, 0x8c,
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0x44, 0x9c, 0xd6, 0xca, 0x50, 0x93, 0xe9, 0xd4, 0x03, 0xd8, 0x3e, 0x71,
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0x36, 0x4b, 0xaa, 0xab, 0xbb, 0xe2, 0x48, 0x66, 0x26, 0x53, 0xb1, 0x6d,
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0x3b, 0x82, 0x2c, 0x8c, 0x25, 0x05, 0xf0, 0xf8, 0xcf, 0x55, 0xbf, 0x8e,
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0x29, 0xf7, 0x54, 0x5b, 0x6f, 0x30, 0x54, 0xa6, 0xad, 0x46, 0xff, 0x22,
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0x95, 0xb1, 0x87, 0x98, 0x00, 0x51, 0x69, 0x15, 0x07, 0xbd, 0x3d, 0x9c,
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0x6e, 0xaa, 0xaa, 0x3b, 0x0b, 0x74, 0x65, 0x4c, 0x04, 0xe0, 0x80, 0x3e,
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0xaf, 0x5e, 0x10, 0xd6, 0x9b, 0x28, 0x37, 0x6f, 0x02, 0x03, 0x01, 0x00,
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0x01, 0x02, 0x82, 0x02, 0x00, 0x09, 0x6e, 0xf8, 0xf8, 0x14, 0x53, 0xab,
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0x9e, 0xc8, 0x1d, 0xe9, 0x95, 0xf4, 0xfb, 0x7d, 0x3e, 0xe0, 0xd3, 0xba,
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0x49, 0x3d, 0xff, 0xc7, 0xe0, 0x4b, 0xe2, 0x5f, 0x41, 0x44, 0x1a, 0xd9,
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0x2f, 0x6e, 0x29, 0xc3, 0x93, 0xc1, 0xb0, 0x87, 0x2d, 0xfd, 0x60, 0xa7,
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0xf3, 0xd8, 0x26, 0x6c, 0xf7, 0x80, 0x26, 0xd3, 0xbd, 0x1b, 0xc0, 0x8e,
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0xc7, 0x3e, 0x13, 0x96, 0xc8, 0xd6, 0xb8, 0xbc, 0x57, 0xe3, 0x92, 0xa1,
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0x38, 0xfd, 0x2e, 0xd3, 0x3a, 0xcf, 0x31, 0xf2, 0x52, 0xd7, 0x7f, 0xe9,
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0xbc, 0x9b, 0x83, 0x01, 0x78, 0x13, 0xc9, 0x91, 0x77, 0x02, 0x78, 0xc0,
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0x0b, 0x1f, 0xdf, 0x94, 0xad, 0x16, 0xf1, 0xad, 0x78, 0x17, 0xc5, 0x77,
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0x0d, 0xb7, 0x07, 0x3f, 0x51, 0xe0, 0x73, 0x33, 0xcf, 0x90, 0x69, 0xd8,
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0xe5, 0xda, 0x9b, 0x1e, 0xf6, 0x21, 0x12, 0x07, 0xb5, 0x1e, 0x3e, 0x2b,
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0x34, 0x79, 0x9e, 0x48, 0x01, 0xdd, 0x68, 0xf0, 0x0f, 0x18, 0xb5, 0x85,
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0x50, 0xd8, 0x9e, 0x04, 0xfd, 0x6d, 0xcd, 0xa6, 0x61, 0x2b, 0x54, 0x81,
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0x99, 0xf4, 0x63, 0xf4, 0xeb, 0x73, 0x98, 0xb3, 0x88, 0xf5, 0x50, 0xd4,
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0x5c, 0x67, 0x9e, 0x7c, 0xbc, 0xd8, 0xfd, 0xaf, 0xb8, 0x66, 0x7d, 0xdc,
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0xa5, 0x25, 0xb5, 0xe6, 0x64, 0xd7, 0x07, 0x72, 0x5a, 0x99, 0xf9, 0xf6,
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0x9e, 0xb8, 0x9c, 0xf4, 0xc7, 0xee, 0xee, 0x10, 0x13, 0x9c, 0x1a, 0x8c,
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0x23, 0x89, 0xcd, 0x7b, 0xf1, 0x47, 0x23, 0x51, 0x3c, 0xe5, 0xc2, 0x17,
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0x68, 0xca, 0x98, 0xb8, 0xed, 0xe5, 0x17, 0x6d, 0x0a, 0xde, 0x07, 0xd6,
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0x6c, 0x4f, 0x83, 0x4c, 0x9b, 0xca, 0x6a, 0x7d, 0xc8, 0x68, 0x12, 0xd7,
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0xf0, 0x37, 0x88, 0xf7, 0xbb, 0x68, 0x8b, 0xa4, 0xfd, 0xfe, 0x36, 0x11,
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0xb3, 0x2b, 0x85, 0x6d, 0xaa, 0x30, 0x31, 0xf1, 0x6f, 0x80, 0x72, 0x42,
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0x23, 0xfe, 0x93, 0x88, 0xcc, 0x1e, 0x4b, 0x53, 0x4f, 0x8e, 0x24, 0x67,
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0x4a, 0x72, 0xb6, 0x3c, 0x13, 0x00, 0x11, 0x4f, 0xe1, 0x30, 0xd6, 0xe7,
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0x45, 0x8f, 0xaf, 0xdd, 0xe5, 0xaa, 0xb7, 0x02, 0x17, 0x04, 0xf8, 0xd2,
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0xc1, 0x7b, 0x6c, 0x92, 0xec, 0x76, 0x94, 0x1b, 0xb0, 0xe4, 0xc3, 0x0c,
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0x9e, 0xee, 0xb5, 0xdc, 0x97, 0xca, 0x10, 0x1d, 0x17, 0x96, 0x45, 0xd4,
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0x04, 0x0c, 0xea, 0xca, 0x45, 0xfc, 0x52, 0x54, 0x82, 0x9b, 0xdf, 0x64,
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0xd6, 0x59, 0x6c, 0x12, 0x70, 0xf0, 0x19, 0xd8, 0x46, 0xbb, 0x08, 0x43,
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0x81, 0xa1, 0x73, 0xa8, 0x00, 0xc9, 0x4e, 0xb9, 0xd5, 0xfd, 0x42, 0x5f,
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0xcf, 0x94, 0x14, 0x18, 0xab, 0x9d, 0x11, 0xd0, 0xbd, 0x44, 0x88, 0x2c,
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0xd8, 0x29, 0xec, 0x94, 0x70, 0xf9, 0x42, 0x14, 0xf4, 0xb0, 0x3f, 0xfe,
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0x27, 0x16, 0x43, 0x59, 0x90, 0x14, 0x48, 0x61, 0x8c, 0x91, 0xd9, 0x37,
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0x41, 0xef, 0xf1, 0xe9, 0x15, 0x4a, 0x4f, 0x5e, 0x1f, 0x50, 0x25, 0x20,
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0x2d, 0xa6, 0xf8, 0x79, 0x0d, 0x92, 0xb0, 0x00, 0x0b, 0xa2, 0xfb, 0xc3,
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0x7b, 0x0f, 0xa6, 0xff, 0x75, 0x5d, 0x70, 0xaa, 0xcf, 0x0a, 0xdf, 0xe1,
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0xfc, 0x32, 0x53, 0x1e, 0xf6, 0xe6, 0x69, 0x9f, 0x09, 0xd0, 0xc8, 0xab,
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0xaf, 0xec, 0xb0, 0x04, 0xfa, 0x83, 0xe2, 0x29, 0x23, 0x54, 0x37, 0x87,
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0x63, 0x47, 0x75, 0x9b, 0xdb, 0x1f, 0x4f, 0x1b, 0x6b, 0xa6, 0xe2, 0x67,
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0x1c, 0xb4, 0x74, 0x9e, 0x48, 0x77, 0x61, 0xc2, 0x9a, 0x3e, 0x6b, 0x89,
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0xa9, 0x68, 0x74, 0x27, 0x01, 0x29, 0xd6, 0x46, 0xe8, 0x0f, 0xd0, 0x33,
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0x22, 0x00, 0x45, 0x6c, 0xde, 0x32, 0x28, 0x42, 0x57, 0xaf, 0x70, 0x28,
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0xa0, 0xd5, 0x99, 0xbb, 0x1f, 0xd7, 0x3c, 0x84, 0x20, 0x70, 0x1f, 0xe3,
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0xa9, 0x02, 0x82, 0x01, 0x01, 0x00, 0xe6, 0x68, 0xfe, 0x5f, 0x75, 0x71,
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0x2a, 0xd8, 0xcf, 0x0d, 0x1d, 0xf4, 0xa1, 0x06, 0x8b, 0xa5, 0x70, 0x6f,
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0x29, 0x03, 0xf3, 0x50, 0xd3, 0x83, 0x39, 0xf9, 0xf6, 0xe5, 0x79, 0x7a,
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0x29, 0x75, 0xde, 0xda, 0x6a, 0x98, 0x7c, 0x33, 0xf8, 0x64, 0xca, 0x86,
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0x5a, 0xda, 0x55, 0x5b, 0x4d, 0x7b, 0x1a, 0xe5, 0x5d, 0x19, 0x7d, 0xf3,
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0x57, 0x49, 0x3d, 0x7a, 0xe8, 0x3f, 0x5a, 0x40, 0x8c, 0x15, 0xc7, 0xb0,
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0x53, 0xf8, 0x63, 0x42, 0x17, 0x7c, 0x20, 0xb9, 0xfc, 0xff, 0x27, 0xd0,
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0xc2, 0x0c, 0x45, 0x52, 0x1b, 0x75, 0x1f, 0x89, 0x87, 0xc4, 0xa8, 0x07,
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0x3b, 0x73, 0x16, 0xc7, 0xd7, 0x77, 0x2e, 0x47, 0xa2, 0x7d, 0x12, 0xb4,
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0x25, 0x24, 0x5e, 0xa5, 0xb2, 0x12, 0x76, 0x65, 0xd1, 0xcd, 0xa4, 0x66,
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0x33, 0x2d, 0xed, 0xb2, 0x85, 0xb0, 0xb3, 0x33, 0x56, 0x18, 0x5a, 0xb3,
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0x75, 0x43, 0x4d, 0x40, 0x14, 0x22, 0x55, 0xf6, 0x5a, 0x0c, 0x6a, 0xb3,
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0xc3, 0x8a, 0x9b, 0x76, 0x1e, 0x23, 0x8d, 0x4a, 0x8f, 0x38, 0x21, 0x25,
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0x43, 0x45, 0xf6, 0x25, 0x46, 0xdb, 0xae, 0x42, 0x43, 0x74, 0x69, 0x15,
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0x46, 0xf0, 0x3a, 0x41, 0x4f, 0x9f, 0xfe, 0xda, 0x07, 0x0b, 0x38, 0xbe,
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0x6b, 0xad, 0xc2, 0xef, 0x5b, 0x97, 0x18, 0x42, 0x13, 0xac, 0x13, 0x15,
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0x70, 0x7b, 0xe2, 0x00, 0xbb, 0x41, 0x22, 0x99, 0xe5, 0xd3, 0x67, 0xfe,
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0xfd, 0xbd, 0x8e, 0xc3, 0xca, 0x60, 0x59, 0x3d, 0x8f, 0x85, 0x76, 0x41,
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0xf0, 0xb8, 0x09, 0x1a, 0x48, 0x50, 0xe4, 0x9c, 0x4a, 0x56, 0x02, 0x60,
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0x76, 0xff, 0xde, 0xd4, 0x8e, 0x76, 0xa3, 0x9c, 0x30, 0xb4, 0xa4, 0x73,
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||||
0xe6, 0xb0, 0x70, 0xac, 0x67, 0x5f, 0x25, 0xd2, 0x94, 0xc5, 0x25, 0xb6,
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||||
0xbf, 0xf6, 0x0b, 0xd8, 0x9f, 0x35, 0x8c, 0x20, 0xb6, 0xdd, 0x02, 0x82,
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||||
0x01, 0x01, 0x00, 0xb5, 0x31, 0x9e, 0xa2, 0x10, 0x38, 0xca, 0x2b, 0x07,
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||||
0xc9, 0x3f, 0x0f, 0x18, 0x2c, 0x98, 0x7f, 0x15, 0x87, 0x92, 0x93, 0x2e,
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0xce, 0x6b, 0x11, 0x42, 0x2a, 0x94, 0x3e, 0x31, 0xd0, 0xf5, 0xae, 0x9d,
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0xc7, 0x67, 0x51, 0x3c, 0x0a, 0x52, 0x04, 0x94, 0x86, 0x2e, 0x50, 0x32,
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0xe1, 0x48, 0x83, 0x85, 0xe8, 0x82, 0x04, 0x2f, 0x25, 0xbc, 0xea, 0xfc,
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0x3d, 0x4b, 0xd1, 0x53, 0x90, 0x61, 0x97, 0x47, 0x73, 0xcd, 0x1f, 0xa9,
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0x5a, 0x3f, 0xfb, 0xbf, 0xc3, 0xd5, 0x19, 0xb6, 0xd3, 0x59, 0x57, 0x37,
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0xd9, 0x09, 0x29, 0xd3, 0x80, 0xc4, 0xae, 0x52, 0xce, 0xce, 0x82, 0x29,
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0x6b, 0x95, 0x44, 0x69, 0x33, 0xfd, 0x6a, 0x6d, 0x65, 0xf7, 0xa9, 0xc0,
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0x65, 0x25, 0x91, 0x05, 0xdf, 0x07, 0xbe, 0x61, 0x5c, 0xaa, 0x8f, 0x87,
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0xc8, 0x43, 0xd7, 0x30, 0xd0, 0x8b, 0x25, 0xaf, 0xb8, 0x5d, 0x50, 0x4e,
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0x31, 0x4a, 0xc9, 0x79, 0x56, 0xbf, 0x8d, 0xcc, 0x40, 0xa7, 0xea, 0xd4,
|
||||
0xf7, 0x66, 0x86, 0xe2, 0x0b, 0xf3, 0x13, 0xbc, 0xdc, 0x0d, 0x62, 0x28,
|
||||
0x4e, 0xb7, 0x31, 0xb4, 0x5a, 0x9b, 0x97, 0x65, 0x76, 0x24, 0xbb, 0xef,
|
||||
0x90, 0x1b, 0xdb, 0x93, 0x98, 0xae, 0xce, 0xb0, 0x69, 0x82, 0x49, 0x94,
|
||||
0xc0, 0xc3, 0x8f, 0x9c, 0x5d, 0x26, 0x45, 0xa0, 0xad, 0x15, 0x3b, 0x6e,
|
||||
0xda, 0x6e, 0x78, 0xc1, 0x78, 0xc3, 0x15, 0x8e, 0x64, 0xaf, 0x50, 0xa6,
|
||||
0xb7, 0xd9, 0xfb, 0x8f, 0x68, 0xa0, 0x2d, 0x59, 0xa9, 0xce, 0x5b, 0xa7,
|
||||
0x91, 0x36, 0xb8, 0x05, 0x28, 0x31, 0x25, 0xc7, 0x7e, 0xa4, 0x68, 0x9d,
|
||||
0xea, 0x5c, 0x71, 0x10, 0x84, 0xab, 0xc4, 0xd7, 0xbe, 0x7d, 0xe9, 0x4a,
|
||||
0x11, 0x22, 0xa6, 0xd5, 0xa3, 0x6e, 0x46, 0x07, 0x70, 0x78, 0xcc, 0xd5,
|
||||
0xbc, 0xfe, 0xc4, 0x39, 0x58, 0xf4, 0xbb, 0x02, 0x82, 0x01, 0x01, 0x00,
|
||||
0xaa, 0x0c, 0x73, 0x30, 0x20, 0x8d, 0x15, 0x02, 0x4e, 0x4d, 0x6f, 0xfe,
|
||||
0x4b, 0x99, 0x79, 0x16, 0xf0, 0x94, 0x19, 0xc1, 0x40, 0xa2, 0x36, 0x78,
|
||||
0x73, 0x21, 0x78, 0x86, 0x83, 0xd1, 0x15, 0x28, 0x59, 0x00, 0xfa, 0x0a,
|
||||
0xf0, 0x1f, 0xab, 0x03, 0x38, 0x35, 0x50, 0x78, 0x32, 0xe6, 0xdf, 0x98,
|
||||
0x2b, 0x91, 0x7b, 0xd4, 0x84, 0x90, 0x43, 0xab, 0x5a, 0x24, 0x8b, 0xa3,
|
||||
0xb6, 0x08, 0x4d, 0x5b, 0x05, 0xb5, 0xad, 0x43, 0x74, 0x7e, 0x22, 0xb7,
|
||||
0x09, 0xb0, 0x3a, 0x78, 0x55, 0xfa, 0x4c, 0x3c, 0xa2, 0x2c, 0xa6, 0xf7,
|
||||
0x19, 0xff, 0x76, 0xa4, 0x3d, 0x1e, 0x99, 0x51, 0xa7, 0x4e, 0x76, 0x47,
|
||||
0x0f, 0x70, 0xef, 0x0b, 0x3f, 0xf2, 0x94, 0x36, 0xf3, 0x63, 0x76, 0xb9,
|
||||
0x09, 0x88, 0xbb, 0xfe, 0xf9, 0x86, 0x33, 0xdf, 0x81, 0xbe, 0x6f, 0xcc,
|
||||
0xa9, 0x75, 0x09, 0xe5, 0x8f, 0x8b, 0x42, 0xd0, 0x19, 0x03, 0x61, 0xd8,
|
||||
0xb5, 0x78, 0xcb, 0x9c, 0xbe, 0x63, 0x4d, 0xbd, 0xce, 0x5e, 0xae, 0x7f,
|
||||
0xae, 0x97, 0x88, 0x7b, 0xf4, 0x7a, 0x7b, 0xdb, 0xf6, 0x7e, 0x2c, 0x7d,
|
||||
0x95, 0x6e, 0x72, 0x3a, 0x48, 0x13, 0xdb, 0xf7, 0x10, 0x07, 0x83, 0xac,
|
||||
0xa1, 0x7a, 0x68, 0x18, 0x70, 0x18, 0x99, 0x7f, 0xf4, 0x8e, 0x93, 0x1a,
|
||||
0x40, 0x5d, 0x04, 0x07, 0xcb, 0x4d, 0xd7, 0x66, 0x96, 0xb5, 0xd3, 0x7d,
|
||||
0x8e, 0xfb, 0xe6, 0x12, 0xd0, 0x7d, 0xf0, 0xe7, 0x25, 0xa6, 0x7a, 0x86,
|
||||
0x01, 0x56, 0xdd, 0xc5, 0xb2, 0x31, 0x98, 0x67, 0x3a, 0xd0, 0x9a, 0xee,
|
||||
0x98, 0xca, 0x80, 0x52, 0x5a, 0x0e, 0xb7, 0xc4, 0xbf, 0xc0, 0x40, 0x24,
|
||||
0x6f, 0x3b, 0xa6, 0xf6, 0xab, 0x28, 0x9e, 0xe9, 0x39, 0x3f, 0x04, 0x4b,
|
||||
0xc4, 0xae, 0x55, 0xfd, 0xea, 0x87, 0xa5, 0xc5, 0x01, 0x99, 0x2e, 0x67,
|
||||
0x66, 0xb3, 0xfe, 0x41, 0x02, 0x82, 0x01, 0x00, 0x05, 0x26, 0x96, 0xf2,
|
||||
0xd6, 0x71, 0x36, 0xd6, 0x08, 0x4f, 0xa1, 0x3a, 0x45, 0x9e, 0xa6, 0xeb,
|
||||
0x1d, 0xea, 0x8f, 0xb1, 0x1d, 0x68, 0x82, 0xc4, 0xa7, 0xd3, 0xdc, 0x08,
|
||||
0xf4, 0x93, 0x93, 0x18, 0x56, 0xa5, 0xdf, 0x7b, 0x00, 0xb0, 0xee, 0x69,
|
||||
0xf0, 0xea, 0xeb, 0x90, 0x1e, 0x12, 0x27, 0x64, 0x8d, 0xbe, 0xf1, 0x4b,
|
||||
0x3b, 0x27, 0xe0, 0x79, 0xf1, 0x97, 0xb0, 0x7b, 0x0f, 0xdc, 0x0f, 0xda,
|
||||
0x24, 0x0e, 0xd7, 0xaa, 0xe9, 0xbe, 0x86, 0x09, 0x1b, 0x07, 0x6f, 0x1c,
|
||||
0x5f, 0x05, 0x1d, 0x0a, 0x0c, 0xad, 0x5f, 0xc4, 0x4f, 0x9d, 0xde, 0x79,
|
||||
0x72, 0x23, 0x2c, 0xdd, 0xa8, 0x5d, 0xc5, 0x8d, 0x7f, 0x4c, 0x1a, 0x0d,
|
||||
0x17, 0x75, 0x09, 0x98, 0x4a, 0xbe, 0xd5, 0x55, 0x8d, 0x0c, 0x2d, 0x05,
|
||||
0x2d, 0x71, 0x5b, 0xeb, 0xde, 0x99, 0x43, 0xcc, 0x6f, 0x37, 0xce, 0x6c,
|
||||
0xd0, 0xd4, 0xf5, 0xda, 0x1d, 0x8e, 0xeb, 0x28, 0x55, 0x09, 0xb1, 0x42,
|
||||
0x4f, 0xa7, 0x1a, 0xde, 0xe3, 0x14, 0xf1, 0x56, 0x2e, 0x40, 0xd6, 0xb5,
|
||||
0x1d, 0xee, 0x47, 0x77, 0x1d, 0xdc, 0x36, 0xfa, 0xf3, 0xbc, 0x8b, 0xa5,
|
||||
0xbf, 0x1d, 0x9f, 0xa7, 0xb4, 0x04, 0xad, 0xb6, 0x0d, 0x39, 0x0e, 0xe7,
|
||||
0x13, 0x3e, 0xbc, 0x94, 0x68, 0xe5, 0x1d, 0xea, 0x0c, 0x30, 0xdd, 0xb0,
|
||||
0xa7, 0x03, 0xa4, 0x91, 0xde, 0xf1, 0xd8, 0xa8, 0x18, 0x1f, 0xdd, 0xb3,
|
||||
0xd4, 0x2b, 0x6a, 0x8c, 0x69, 0x60, 0xda, 0x92, 0x7b, 0x1e, 0x27, 0x47,
|
||||
0x82, 0xbf, 0xff, 0xfc, 0xbd, 0x03, 0xb4, 0xc1, 0x80, 0x6c, 0x07, 0x11,
|
||||
0xa2, 0xdd, 0x27, 0xc1, 0x4d, 0x93, 0xe6, 0xf2, 0xd3, 0xdc, 0x61, 0xa1,
|
||||
0xa3, 0xdc, 0x67, 0x69, 0xe5, 0x50, 0x1d, 0x63, 0x0e, 0xb9, 0xa9, 0x9d,
|
||||
0xd6, 0x02, 0x4d, 0x7c, 0xcd, 0x2a, 0xa5, 0x37, 0x60, 0xc5, 0xf5, 0x97,
|
||||
0x02, 0x82, 0x01, 0x00, 0x14, 0x8b, 0x04, 0xdb, 0x4e, 0x41, 0x4a, 0xcd,
|
||||
0x86, 0x2e, 0x5f, 0x13, 0xb3, 0x48, 0x1e, 0x00, 0xdf, 0x8d, 0x0b, 0x35,
|
||||
0x51, 0x51, 0x1b, 0x16, 0x3d, 0x49, 0x4e, 0xe1, 0xee, 0x4d, 0xc7, 0x03,
|
||||
0xc0, 0xf6, 0x5c, 0x6c, 0x36, 0xe8, 0x22, 0xa5, 0x79, 0xb4, 0x4c, 0xce,
|
||||
0xa8, 0x45, 0x12, 0x2c, 0xf3, 0x6a, 0xcd, 0x33, 0xbd, 0xd0, 0x84, 0x4d,
|
||||
0xf7, 0x8f, 0xb5, 0x80, 0x1f, 0x18, 0x52, 0xad, 0xad, 0xce, 0xcd, 0x94,
|
||||
0xc9, 0xc6, 0xb4, 0xd2, 0x14, 0x29, 0xe4, 0xc7, 0x40, 0xf1, 0x0b, 0x85,
|
||||
0x43, 0xaf, 0x11, 0xd3, 0x46, 0x0a, 0xb1, 0x15, 0x87, 0x1f, 0x4e, 0x2e,
|
||||
0xc1, 0x11, 0xe9, 0x24, 0x70, 0x40, 0xba, 0x0b, 0x0e, 0x4a, 0xac, 0x45,
|
||||
0x21, 0xcc, 0x6d, 0xa4, 0x1d, 0x55, 0x33, 0x89, 0x4c, 0x65, 0x21, 0x23,
|
||||
0xab, 0x61, 0x31, 0xcb, 0x11, 0x65, 0xb3, 0x80, 0xa4, 0x5a, 0x2b, 0xf1,
|
||||
0x65, 0xdb, 0x4c, 0x58, 0x5a, 0xbe, 0xf3, 0x15, 0xcd, 0x94, 0xa1, 0xe4,
|
||||
0xcb, 0x30, 0xfa, 0xe1, 0x28, 0x51, 0x52, 0xd2, 0xb8, 0xb4, 0x8c, 0xfc,
|
||||
0x3a, 0xcc, 0xd1, 0x19, 0xa2, 0x27, 0x36, 0xfa, 0xc4, 0x23, 0x96, 0xb9,
|
||||
0xc7, 0x74, 0xca, 0xf1, 0x45, 0x1f, 0x4b, 0xc2, 0x77, 0x4d, 0x32, 0x3f,
|
||||
0xab, 0x7a, 0xd9, 0x2b, 0x22, 0x1d, 0xcb, 0x24, 0x58, 0x29, 0xa3, 0xb8,
|
||||
0x92, 0xdb, 0x1c, 0xda, 0x84, 0x01, 0xca, 0x6d, 0x4a, 0x50, 0xd4, 0x2b,
|
||||
0x79, 0xfa, 0xc5, 0x4c, 0x9d, 0x79, 0x49, 0xf1, 0xde, 0xbd, 0x3f, 0x50,
|
||||
0xa7, 0xa6, 0xc6, 0xc7, 0x99, 0x61, 0x9b, 0xda, 0x38, 0xdc, 0xbe, 0x85,
|
||||
0x75, 0x81, 0xb9, 0x0f, 0x33, 0xd0, 0xd4, 0xd0, 0xaa, 0xbd, 0x32, 0xc9,
|
||||
0x62, 0xe8, 0x21, 0x24, 0xeb, 0x03, 0x73, 0x46, 0xb3, 0x84, 0x65, 0xf2,
|
||||
0x40, 0x7d, 0x1b, 0x1b, 0x8f, 0x86, 0x7c, 0xe7
|
||||
};
|
||||
|
||||
/* The corresponding public key, DER. */
|
||||
static const unsigned char rsa_pub_key[] = {
|
||||
0x30, 0x82, 0x02, 0x0a, 0x02, 0x82, 0x02, 0x01, 0x00, 0xa3, 0x14, 0xe4,
|
||||
0xb8, 0xd8, 0x58, 0x0d, 0xab, 0xd7, 0x87, 0xa4, 0xf6, 0x84, 0x51, 0x74,
|
||||
0x60, 0x4c, 0xe3, 0x60, 0x28, 0x89, 0x49, 0x65, 0x18, 0x5c, 0x8f, 0x1a,
|
||||
0x1b, 0xe9, 0xdb, 0xc1, 0xc1, 0xf7, 0x08, 0x27, 0x44, 0xe5, 0x9d, 0x9a,
|
||||
0x33, 0xc3, 0xac, 0x5a, 0xca, 0xba, 0x20, 0x5a, 0x9e, 0x3a, 0x18, 0xb5,
|
||||
0x3d, 0xe3, 0x9d, 0x94, 0x58, 0xa7, 0xa9, 0x5a, 0x0b, 0x4f, 0xb8, 0xe5,
|
||||
0xa3, 0x7b, 0x01, 0x11, 0x0f, 0x16, 0x11, 0xb8, 0x65, 0x2f, 0xa8, 0x95,
|
||||
0xf7, 0x58, 0x2c, 0xec, 0x1d, 0x41, 0xad, 0xd1, 0x12, 0xca, 0x4a, 0x80,
|
||||
0x35, 0x35, 0x43, 0x7e, 0xe0, 0x97, 0xfc, 0x86, 0x8f, 0xcf, 0x4b, 0xdc,
|
||||
0xbc, 0x15, 0x2c, 0x8e, 0x90, 0x84, 0x26, 0x83, 0xc1, 0x96, 0x97, 0xf4,
|
||||
0xd7, 0x90, 0xce, 0xfe, 0xd4, 0xf3, 0x70, 0x22, 0xa8, 0xb0, 0x1f, 0xed,
|
||||
0x08, 0xd7, 0xc5, 0xc0, 0xd6, 0x41, 0x6b, 0x24, 0x68, 0x5c, 0x07, 0x1f,
|
||||
0x44, 0x97, 0xd8, 0x6e, 0x18, 0x93, 0x67, 0xc3, 0xba, 0x3a, 0xaf, 0xfd,
|
||||
0xc2, 0x65, 0x00, 0x21, 0x63, 0xdf, 0xb7, 0x28, 0x68, 0xd6, 0xc0, 0x20,
|
||||
0x86, 0x92, 0xed, 0x68, 0x6a, 0x27, 0x3a, 0x07, 0xec, 0x66, 0x00, 0xfe,
|
||||
0x51, 0x51, 0x86, 0x41, 0x6f, 0x83, 0x69, 0xd2, 0xf0, 0xe6, 0xf7, 0x61,
|
||||
0xda, 0x12, 0x45, 0x53, 0x09, 0xdf, 0xf8, 0x42, 0xc7, 0x30, 0x6a, 0xe5,
|
||||
0xd8, 0x2b, 0xa2, 0x49, 0x7a, 0x05, 0x10, 0xee, 0xb2, 0x59, 0x0a, 0xe5,
|
||||
0xbe, 0xf8, 0x4d, 0x0f, 0xa8, 0x9e, 0x63, 0x81, 0x39, 0x32, 0xaa, 0xfd,
|
||||
0xa8, 0x03, 0xf6, 0xd8, 0xc6, 0xaa, 0x02, 0x93, 0x03, 0xeb, 0x15, 0xd3,
|
||||
0x38, 0xc8, 0x1a, 0x78, 0xcf, 0xf3, 0xa7, 0x9f, 0x98, 0x4b, 0x91, 0x5b,
|
||||
0x79, 0xf8, 0x4e, 0x53, 0xaf, 0x0c, 0x65, 0xe9, 0xb0, 0x93, 0xc2, 0xcb,
|
||||
0x5d, 0x3c, 0x5f, 0x6e, 0x39, 0xd2, 0x58, 0x23, 0x50, 0xe5, 0x2e, 0xef,
|
||||
0x12, 0x00, 0xa4, 0x59, 0x13, 0x2b, 0x2f, 0x2c, 0x0a, 0x7b, 0x36, 0x89,
|
||||
0xc5, 0xe5, 0x8f, 0x95, 0x5e, 0x14, 0x0f, 0x0f, 0x94, 0x5a, 0xe9, 0xdc,
|
||||
0x0b, 0x49, 0x14, 0xbe, 0x0a, 0x70, 0x45, 0xc1, 0x7c, 0xbf, 0x83, 0x70,
|
||||
0xfd, 0x3d, 0x99, 0xe6, 0x8a, 0xf5, 0x9c, 0x09, 0x71, 0x84, 0x9a, 0x18,
|
||||
0xa0, 0xe0, 0x6c, 0x43, 0x5c, 0x7e, 0x48, 0x33, 0xc8, 0xbe, 0x5d, 0xdd,
|
||||
0xd8, 0x77, 0xe3, 0xe7, 0x6b, 0x34, 0x4b, 0xa2, 0xb7, 0x54, 0x07, 0x72,
|
||||
0x2e, 0xab, 0xa9, 0x91, 0x1e, 0x4b, 0xe3, 0xb5, 0xd8, 0xfa, 0x35, 0x64,
|
||||
0x8a, 0xe9, 0x03, 0xa1, 0xa8, 0x26, 0xbd, 0x72, 0x58, 0x10, 0x6a, 0xec,
|
||||
0x1a, 0xf6, 0x1e, 0xb8, 0xc0, 0x46, 0x19, 0x31, 0x2c, 0xca, 0xf9, 0x6a,
|
||||
0xd7, 0x2e, 0xd0, 0xa7, 0x2c, 0x60, 0x58, 0xc4, 0x8f, 0x46, 0x63, 0x61,
|
||||
0x8d, 0x29, 0x6f, 0xe2, 0x5f, 0xe2, 0x43, 0x90, 0x9c, 0xe6, 0xfc, 0x08,
|
||||
0x41, 0xc8, 0xb5, 0x23, 0x56, 0x24, 0x3e, 0x3a, 0x2c, 0x41, 0x22, 0x43,
|
||||
0xda, 0x22, 0x15, 0x2b, 0xad, 0xd0, 0xfa, 0xc8, 0x47, 0x44, 0xe6, 0x2a,
|
||||
0xf9, 0x38, 0x90, 0x13, 0x62, 0x22, 0xea, 0x06, 0x8c, 0x44, 0x9c, 0xd6,
|
||||
0xca, 0x50, 0x93, 0xe9, 0xd4, 0x03, 0xd8, 0x3e, 0x71, 0x36, 0x4b, 0xaa,
|
||||
0xab, 0xbb, 0xe2, 0x48, 0x66, 0x26, 0x53, 0xb1, 0x6d, 0x3b, 0x82, 0x2c,
|
||||
0x8c, 0x25, 0x05, 0xf0, 0xf8, 0xcf, 0x55, 0xbf, 0x8e, 0x29, 0xf7, 0x54,
|
||||
0x5b, 0x6f, 0x30, 0x54, 0xa6, 0xad, 0x46, 0xff, 0x22, 0x95, 0xb1, 0x87,
|
||||
0x98, 0x00, 0x51, 0x69, 0x15, 0x07, 0xbd, 0x3d, 0x9c, 0x6e, 0xaa, 0xaa,
|
||||
0x3b, 0x0b, 0x74, 0x65, 0x4c, 0x04, 0xe0, 0x80, 0x3e, 0xaf, 0x5e, 0x10,
|
||||
0xd6, 0x9b, 0x28, 0x37, 0x6f, 0x02, 0x03, 0x01, 0x00, 0x01
|
||||
};
|
|
@ -0,0 +1,204 @@
|
|||
/*
|
||||
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||||
* this file except in compliance with the License. You can obtain a copy
|
||||
* in the file LICENSE in the source distribution or at
|
||||
* https://www.openssl.org/source/license.html
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <openssl/core_names.h>
|
||||
#include <openssl/evp.h>
|
||||
#include <openssl/rsa.h>
|
||||
#include <openssl/params.h>
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/bio.h>
|
||||
#include "rsa_pss.h"
|
||||
|
||||
/*
|
||||
* The digest to be signed. This should be the output of a hash function.
|
||||
* Here we sign an all-zeroes digest for demonstration purposes.
|
||||
*/
|
||||
static const unsigned char test_digest[32] = {0};
|
||||
|
||||
/* A property query used for selecting algorithm implementations. */
|
||||
static const char *propq = NULL;
|
||||
|
||||
/*
|
||||
* This function demonstrates RSA signing of a SHA-256 digest using the PSS
|
||||
* padding scheme. You must already have hashed the data you want to sign.
|
||||
* For a higher-level demonstration which does the hashing for you, see
|
||||
* rsa_pss_hash.c.
|
||||
*
|
||||
* For more information, see RFC 8017 section 9.1. The digest passed in
|
||||
* (test_digest above) corresponds to the 'mHash' value.
|
||||
*/
|
||||
static int sign(OSSL_LIB_CTX *libctx, unsigned char **sig, size_t *sig_len)
|
||||
{
|
||||
int rv = 0;
|
||||
EVP_PKEY *pkey = NULL;
|
||||
EVP_PKEY_CTX *ctx = NULL;
|
||||
EVP_MD *md = NULL;
|
||||
const unsigned char *ppriv_key = NULL;
|
||||
|
||||
*sig = NULL;
|
||||
|
||||
/* Load DER-encoded RSA private key. */
|
||||
ppriv_key = rsa_priv_key;
|
||||
pkey = d2i_PrivateKey_ex(EVP_PKEY_RSA, NULL, &ppriv_key,
|
||||
sizeof(rsa_priv_key), libctx, propq);
|
||||
if (pkey == NULL) {
|
||||
fprintf(stderr, "Failed to load private key\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Fetch hash algorithm we want to use. */
|
||||
md = EVP_MD_fetch(libctx, "SHA256", propq);
|
||||
if (md == NULL) {
|
||||
fprintf(stderr, "Failed to fetch hash algorithm\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Create signing context. */
|
||||
ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, propq);
|
||||
if (ctx == NULL) {
|
||||
fprintf(stderr, "Failed to create signing context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Initialize context for signing and set options. */
|
||||
if (EVP_PKEY_sign_init(ctx) == 0) {
|
||||
fprintf(stderr, "Failed to initialize signing context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PSS_PADDING) == 0) {
|
||||
fprintf(stderr, "Failed to configure padding\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_CTX_set_signature_md(ctx, md) == 0) {
|
||||
fprintf(stderr, "Failed to configure digest type\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Determine length of signature. */
|
||||
if (EVP_PKEY_sign(ctx, NULL, sig_len,
|
||||
test_digest, sizeof(test_digest)) == 0) {
|
||||
fprintf(stderr, "Failed to get signature length\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Allocate memory for signature. */
|
||||
*sig = OPENSSL_malloc(*sig_len);
|
||||
if (*sig == NULL) {
|
||||
fprintf(stderr, "Failed to allocate memory for signature\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Generate signature. */
|
||||
if (EVP_PKEY_sign(ctx, *sig, sig_len,
|
||||
test_digest, sizeof(test_digest)) != 1) {
|
||||
fprintf(stderr, "Failed to sign\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
rv = 1;
|
||||
end:
|
||||
EVP_PKEY_CTX_free(ctx);
|
||||
EVP_PKEY_free(pkey);
|
||||
EVP_MD_free(md);
|
||||
|
||||
if (rv == 0)
|
||||
OPENSSL_free(*sig);
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
/*
|
||||
* This function demonstrates verification of an RSA signature over a SHA-256
|
||||
* digest using the PSS signature scheme.
|
||||
*/
|
||||
static int verify(OSSL_LIB_CTX *libctx, const unsigned char *sig, size_t sig_len)
|
||||
{
|
||||
int rv = 0;
|
||||
const unsigned char *ppub_key = NULL;
|
||||
EVP_PKEY *pkey = NULL;
|
||||
EVP_PKEY_CTX *ctx = NULL;
|
||||
EVP_MD *md = NULL;
|
||||
|
||||
/* Load DER-encoded RSA public key. */
|
||||
ppub_key = rsa_pub_key;
|
||||
pkey = d2i_PublicKey(EVP_PKEY_RSA, NULL, &ppub_key, sizeof(rsa_pub_key));
|
||||
if (pkey == NULL) {
|
||||
fprintf(stderr, "Failed to load public key\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Fetch hash algorithm we want to use. */
|
||||
md = EVP_MD_fetch(libctx, "SHA256", propq);
|
||||
if (md == NULL) {
|
||||
fprintf(stderr, "Failed to fetch hash algorithm\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Create verification context. */
|
||||
ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, propq);
|
||||
if (ctx == NULL) {
|
||||
fprintf(stderr, "Failed to create verification context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Initialize context for verification and set options. */
|
||||
if (EVP_PKEY_verify_init(ctx) == 0) {
|
||||
fprintf(stderr, "Failed to initialize verification context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PSS_PADDING) == 0) {
|
||||
fprintf(stderr, "Failed to configure padding\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (EVP_PKEY_CTX_set_signature_md(ctx, md) == 0) {
|
||||
fprintf(stderr, "Failed to configure digest type\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Verify signature. */
|
||||
if (EVP_PKEY_verify(ctx, sig, sig_len,
|
||||
test_digest, sizeof(test_digest)) == 0) {
|
||||
fprintf(stderr, "Failed to verify signature; "
|
||||
"signature may be invalid\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
rv = 1;
|
||||
end:
|
||||
EVP_PKEY_CTX_free(ctx);
|
||||
EVP_PKEY_free(pkey);
|
||||
EVP_MD_free(md);
|
||||
return rv;
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int rv = 1;
|
||||
OSSL_LIB_CTX *libctx = NULL;
|
||||
unsigned char *sig = NULL;
|
||||
size_t sig_len = 0;
|
||||
|
||||
if (sign(libctx, &sig, &sig_len) == 0)
|
||||
goto end;
|
||||
|
||||
if (verify(libctx, sig, sig_len) == 0)
|
||||
goto end;
|
||||
|
||||
rv = 0;
|
||||
end:
|
||||
OPENSSL_free(sig);
|
||||
OSSL_LIB_CTX_free(libctx);
|
||||
return rv;
|
||||
}
|
|
@ -0,0 +1,189 @@
|
|||
/*
|
||||
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||||
* this file except in compliance with the License. You can obtain a copy
|
||||
* in the file LICENSE in the source distribution or at
|
||||
* https://www.openssl.org/source/license.html
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <openssl/core_names.h>
|
||||
#include <openssl/evp.h>
|
||||
#include <openssl/rsa.h>
|
||||
#include <openssl/params.h>
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/bio.h>
|
||||
#include "rsa_pss.h"
|
||||
|
||||
/* The data to be signed. This will be hashed. */
|
||||
static const char test_message[] =
|
||||
"This is an example message to be signed.";
|
||||
|
||||
/* A property query used for selecting algorithm implementations. */
|
||||
static const char *propq = NULL;
|
||||
|
||||
/*
|
||||
* This function demonstrates RSA signing of an arbitrary-length message.
|
||||
* Hashing is performed automatically. In this example, SHA-256 is used. If you
|
||||
* have already hashed your message and simply want to sign the hash directly,
|
||||
* see rsa_pss_direct.c.
|
||||
*/
|
||||
static int sign(OSSL_LIB_CTX *libctx, unsigned char **sig, size_t *sig_len)
|
||||
{
|
||||
int rv = 0;
|
||||
EVP_PKEY *pkey = NULL;
|
||||
EVP_MD_CTX *mctx = NULL;
|
||||
OSSL_PARAM params[2], *p = params;
|
||||
const unsigned char *ppriv_key = NULL;
|
||||
|
||||
*sig = NULL;
|
||||
|
||||
/* Load DER-encoded RSA private key. */
|
||||
ppriv_key = rsa_priv_key;
|
||||
pkey = d2i_PrivateKey_ex(EVP_PKEY_RSA, NULL, &ppriv_key,
|
||||
sizeof(rsa_priv_key), libctx, propq);
|
||||
if (pkey == NULL) {
|
||||
fprintf(stderr, "Failed to load private key\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Create MD context used for signing. */
|
||||
mctx = EVP_MD_CTX_new();
|
||||
if (mctx == NULL) {
|
||||
fprintf(stderr, "Failed to create MD context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Initialize MD context for signing. */
|
||||
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_PAD_MODE,
|
||||
OSSL_PKEY_RSA_PAD_MODE_PSS, 0);
|
||||
*p = OSSL_PARAM_construct_end();
|
||||
|
||||
if (EVP_DigestSignInit_ex(mctx, NULL, "SHA256", libctx, propq,
|
||||
pkey, params) == 0) {
|
||||
fprintf(stderr, "Failed to initialize signing context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/*
|
||||
* Feed data to be signed into the algorithm. This may
|
||||
* be called multiple times.
|
||||
*/
|
||||
if (EVP_DigestSignUpdate(mctx, test_message, sizeof(test_message)) == 0) {
|
||||
fprintf(stderr, "Failed to hash message into signing context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Determine signature length. */
|
||||
if (EVP_DigestSignFinal(mctx, NULL, sig_len) == 0) {
|
||||
fprintf(stderr, "Failed to get signature length\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Allocate memory for signature. */
|
||||
*sig = OPENSSL_malloc(*sig_len);
|
||||
if (*sig == NULL) {
|
||||
fprintf(stderr, "Failed to allocate memory for signature\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Generate signature. */
|
||||
if (EVP_DigestSignFinal(mctx, *sig, sig_len) == 0) {
|
||||
fprintf(stderr, "Failed to sign\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
rv = 1;
|
||||
end:
|
||||
EVP_MD_CTX_free(mctx);
|
||||
EVP_PKEY_free(pkey);
|
||||
|
||||
if (rv == 0)
|
||||
OPENSSL_free(*sig);
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
/*
|
||||
* This function demonstrates verification of an RSA signature over an
|
||||
* arbitrary-length message using the PSS signature scheme. Hashing is performed
|
||||
* automatically.
|
||||
*/
|
||||
static int verify(OSSL_LIB_CTX *libctx, const unsigned char *sig, size_t sig_len)
|
||||
{
|
||||
int rv = 0;
|
||||
EVP_PKEY *pkey = NULL;
|
||||
EVP_MD_CTX *mctx = NULL;
|
||||
OSSL_PARAM params[2], *p = params;
|
||||
const unsigned char *ppub_key = NULL;
|
||||
|
||||
/* Load DER-encoded RSA public key. */
|
||||
ppub_key = rsa_pub_key;
|
||||
pkey = d2i_PublicKey(EVP_PKEY_RSA, NULL, &ppub_key, sizeof(rsa_pub_key));
|
||||
if (pkey == NULL) {
|
||||
fprintf(stderr, "Failed to load public key\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Create MD context used for verification. */
|
||||
mctx = EVP_MD_CTX_new();
|
||||
if (mctx == NULL) {
|
||||
fprintf(stderr, "Failed to create MD context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Initialize MD context for verification. */
|
||||
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_PAD_MODE,
|
||||
OSSL_PKEY_RSA_PAD_MODE_PSS, 0);
|
||||
*p = OSSL_PARAM_construct_end();
|
||||
|
||||
if (EVP_DigestVerifyInit_ex(mctx, NULL, "SHA256", libctx, propq,
|
||||
pkey, params) == 0) {
|
||||
fprintf(stderr, "Failed to initialize signing context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/*
|
||||
* Feed data to be signed into the algorithm. This may
|
||||
* be called multiple times.
|
||||
*/
|
||||
if (EVP_DigestVerifyUpdate(mctx, test_message, sizeof(test_message)) == 0) {
|
||||
fprintf(stderr, "Failed to hash message into signing context\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
/* Verify signature. */
|
||||
if (EVP_DigestVerifyFinal(mctx, sig, sig_len) == 0) {
|
||||
fprintf(stderr, "Failed to verify signature; "
|
||||
"signature may be invalid\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
rv = 1;
|
||||
end:
|
||||
EVP_MD_CTX_free(mctx);
|
||||
EVP_PKEY_free(pkey);
|
||||
return rv;
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int rv = 1;
|
||||
OSSL_LIB_CTX *libctx = NULL;
|
||||
unsigned char *sig = NULL;
|
||||
size_t sig_len = 0;
|
||||
|
||||
if (sign(libctx, &sig, &sig_len) == 0)
|
||||
goto end;
|
||||
|
||||
if (verify(libctx, sig, sig_len) == 0)
|
||||
goto end;
|
||||
|
||||
rv = 0;
|
||||
end:
|
||||
OPENSSL_free(sig);
|
||||
OSSL_LIB_CTX_free(libctx);
|
||||
return rv;
|
||||
}
|
Loading…
Reference in New Issue