ECDSA keys, OpenSSL 1.0 vs 1.1

gistfile1.txt

obiwan-[shg/MEDKIT/tmp](2.6.2) mcr 10225 %./A.sh
OpenSSL 1.1.0j  20 Nov 2018 (Library: OpenSSL 1.1.1c-dev  xx XXX xxxx)
Generating an EC private key
writing new private key to 'shg.key'
-----
read EC key
Private-Key: (256 bit)
priv:
    92:a5:2b:58:5e:8c:f9:67:55:26:64:b1:a1:17:fa:
    30:c0:5f:3f:e6:bf:7e:41:2b:f0:0e:3b:8d:0a:92:
    3b:75
pub:
    04:f6:bf:f0:b9:d9:9f:5f:55:76:79:7f:5d:62:6b:
    e8:8b:0c:d7:fe:7b:a1:ed:0d:23:8a:b0:a3:11:f8:
    b7:c5:b2:e4:2a:95:45:ce:6f:24:f2:12:86:f7:95:
    43:af:f7:a4:06:ae:18:1f:cf:12:e2:9e:3e:95:7f:
    35:e6:b3:ff:f8
ASN1 OID: prime256v1
NIST CURVE: P-256

gistfile2.txt

istari-[projects/shg/MEDKIT/tmp] mcr 10009 %./A.sh
OpenSSL 1.0.2l  25 May 2017
Generating a 2048 bit EC private key
writing new private key to 'shg.key'
-----
read EC key
Private-Key: (256 bit)
priv:
    60:f0:e0:18:ae:b4:86:d5:ac:94:60:9e:6c:62:b6:
    99:43:ac:1c:c6:98:f5:bf:3e:d5:85:0b:46:1e:48:
    7d:72
pub: 
    04:c5:e6:dc:fc:df:c1:c0:c2:88:c0:b8:c2:dc:d0:
    fa:1c:3a:84:1a:52:66:8c:fb:a1:bf:c9:77:e1:fa:
    41:33:9a:33:2a:a8:73:ff:70:1b:3d:bb:d9:cf:a0:
    bb:9f:78:14:37:3a:f8:55:bc:7a:86:a3:c2:66:ea:
    b8:e9:3d:05:5d
Field Type: prime-field
Prime:
    00:ff:ff:ff:ff:00:00:00:01:00:00:00:00:00:00:
    00:00:00:00:00:00:ff:ff:ff:ff:ff:ff:ff:ff:ff:
    ff:ff:ff
A:   
    00:ff:ff:ff:ff:00:00:00:01:00:00:00:00:00:00:
    00:00:00:00:00:00:ff:ff:ff:ff:ff:ff:ff:ff:ff:
    ff:ff:fc
B:   
    5a:c6:35:d8:aa:3a:93:e7:b3:eb:bd:55:76:98:86:
    bc:65:1d:06:b0:cc:53:b0:f6:3b:ce:3c:3e:27:d2:
    60:4b
Generator (uncompressed):
    04:6b:17:d1:f2:e1:2c:42:47:f8:bc:e6:e5:63:a4:
    40:f2:77:03:7d:81:2d:eb:33:a0:f4:a1:39:45:d8:
    98:c2:96:4f:e3:42:e2:fe:1a:7f:9b:8e:e7:eb:4a:
    7c:0f:9e:16:2b:ce:33:57:6b:31:5e:ce:cb:b6:40:
    68:37:bf:51:f5
Order: 
    00:ff:ff:ff:ff:00:00:00:00:ff:ff:ff:ff:ff:ff:
    ff:ff:bc:e6:fa:ad:a7:17:9e:84:f3:b9:ca:c2:fc:
    63:25:51
Cofactor:  1 (0x1)
Seed:
    c4:9d:36:08:86:e7:04:93:6a:66:78:e1:13:9d:26:
    b7:81:9f:7e:90